toolbar module¶
Module for dealing with the toolbar.
census_widget(m)
¶
Widget for adding US Census data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def census_widget(m):
"""Widget for adding US Census data.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
# from owslib.wms import WebMapService
census_dict = get_census_dict()
m.add_census_data("Census 2020", "States")
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="filter",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
wms = widgets.Dropdown(
options=census_dict.keys(),
value="Census 2020",
description="WMS:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
layer = widgets.Dropdown(
options=census_dict["Census 2020"]["layers"],
value="States",
description="Layer:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
checkbox = widgets.Checkbox(
description="Replace existing census data layer",
value=True,
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
# output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
wms,
layer,
checkbox,
# output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def wms_change(change):
layer.options = census_dict[change["new"]]["layers"]
layer.value = layer.options[0]
wms.observe(wms_change, "value")
def layer_change(change):
if change["new"] != "":
if checkbox.value:
m.layers = m.layers[:-1]
m.add_census_data(wms.value, layer.value)
# with output:
# w = WebMapService(census_dict[wms.value]["url"])
# output.outputs = ()
# print(w[layer.value].abstract)
layer.observe(layer_change, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
change_basemap(m, position='topright')
¶
Widget for changing basemaps.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
leafmap.Map. |
required |
Source code in leafmap/toolbar.py
def change_basemap(m, position: Optional[str] = "topright"):
"""Widget for changing basemaps.
Args:
m (object): leafmap.Map.
"""
from .basemaps import get_xyz_dict
from .leafmap import basemaps, get_basemap
xyz_dict = get_xyz_dict()
value = "OpenStreetMap"
dropdown = widgets.Dropdown(
options=list(basemaps.keys()),
value=value,
layout=widgets.Layout(width="200px"),
)
close_btn = widgets.Button(
icon="times",
tooltip="Close the basemap widget",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
basemap_widget = widgets.HBox([dropdown, close_btn])
def on_click(change):
if change["new"]:
basemap_name = dropdown.value
if basemap_name not in m.get_layer_names():
m.add_basemap(basemap_name)
if basemap_name in xyz_dict:
if "bounds" in xyz_dict[basemap_name]:
bounds = xyz_dict[basemap_name]["bounds"]
bounds = [
bounds[0][1],
bounds[0][0],
bounds[1][1],
bounds[1][0],
]
m.zoom_to_bounds(bounds)
dropdown.observe(on_click, "value")
def close_click(change):
m.toolbar_reset()
if m.basemap_ctrl is not None and m.basemap_ctrl in m.controls:
m.remove_control(m.basemap_ctrl)
basemap_widget.close()
close_btn.on_click(close_click)
basemap_control = ipyleaflet.WidgetControl(widget=basemap_widget, position=position)
m.add(basemap_control)
m.basemap_ctrl = basemap_control
download_osm(m)
¶
Widget for downloading OSM data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def download_osm(m):
"""Widget for downloading OSM data.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="gear",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
checkbox = widgets.Checkbox(
description="Checkbox",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
dropdown = widgets.Dropdown(
options=["Option 1", "Option 2", "Option 3"],
value=None,
description="Dropdown:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
int_slider = widgets.IntSlider(
min=1,
max=100,
description="Int Slider: ",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="220px", padding=padding),
style=style,
)
int_slider_label = widgets.Label()
# widgets.jslink((int_slider, "value"), (int_slider_label, "value"))
def int_slider_changed(change):
if change["new"]:
int_slider_label.value = str(int_slider.value)
int_slider.observe(int_slider_changed, "value")
float_slider = widgets.FloatSlider(
min=1,
max=100,
description="Float Slider: ",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="220px", padding=padding),
style=style,
)
float_slider_label = widgets.Label()
# widgets.jslink((float_slider, "value"), (float_slider_label, "value"))
def float_slider_changed(change):
if change["new"]:
float_slider_label.value = str(float_slider.value)
float_slider.observe(float_slider_changed, "value")
color = widgets.ColorPicker(
concise=False,
description="Color:",
value="white",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
text = widgets.Text(
value="",
description="Textbox:",
placeholder="Placeholder",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
textarea = widgets.Textarea(
placeholder="Placeholder",
layout=widgets.Layout(width=widget_width),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
buttons.style.button_padding = "0px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
checkbox,
widgets.HBox([int_slider, int_slider_label]),
widgets.HBox([float_slider, float_slider_label]),
dropdown,
text,
color,
textarea,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
with output:
output.outputs = ()
print("Running ...")
elif change["new"] == "Reset":
textarea.value = ""
output.outputs = ()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
edit_draw_gui(m)
¶
Generates a tool GUI for editing vector data attribute table.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def edit_draw_gui(m):
"""Generates a tool GUI for editing vector data attribute table.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import ipysheet
import pandas as pd
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
m.edit_mode = True
n_props = len(m.get_draw_props())
if n_props == 0:
n_props = 1
if "MAX_PROPS" in os.environ:
max_props = int(os.environ["MAX_PROPS"])
else:
max_props = n_props + 10
sheet = ipysheet.from_dataframe(m.get_draw_props(n_props, return_df=True))
m.edit_sheet = sheet
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
m.edit_output = output
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Edit attribute table",
icon="pencil-square-o",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
open_button = widgets.ToggleButton(
value=False,
tooltip="Open vector data",
icon="folder-open",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
save_button = widgets.ToggleButton(
value=False,
tooltip="Save to file",
icon="floppy-o",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
refresh_button = widgets.ToggleButton(
value=False,
tooltip="Get attribute",
icon="refresh",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
m.edit_refresh = refresh_button
int_slider = widgets.IntSlider(
min=n_props,
max=max_props,
description="Rows:",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="85px", padding=padding),
style=style,
)
int_slider_label = widgets.Label()
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "64px"
with output:
output.outputs = ()
display(m.edit_sheet)
def int_slider_changed(change):
if change["new"]:
int_slider_label.value = str(int_slider.value)
m.edit_sheet.rows = int_slider.value
m.num_attributes = int_slider.value
with output:
output.outputs = ()
m.edit_sheet = ipysheet.from_dataframe(
m.get_draw_props(n=int_slider.value, return_df=True)
)
display(m.edit_sheet)
int_slider.observe(int_slider_changed, "value")
m.num_attributes = int_slider.value
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [
close_button,
toolbar_button,
open_button,
save_button,
refresh_button,
int_slider,
int_slider_label,
]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
output,
buttons,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
m.edit_mode = False
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def open_chooser_callback(chooser):
with output:
import geopandas as gpd
gdf = gpd.read_file(chooser.selected)
geojson = gdf_to_geojson(gdf, epsg=4326, tuple_to_list=True)
m.draw_control.data = m.draw_control.data + (geojson["features"])
m.draw_features = m.draw_features + (geojson["features"])
open_button.value = False
m.edit_props = gdf.drop(["geometry"], axis=1).columns.tolist()
int_slider.value = len(m.edit_props)
if m.open_control in m.controls:
m.remove_control(m.open_control)
delattr(m, "open_control")
def open_btn_click(change):
if change["new"]:
save_button.value = False
open_chooser = FileChooser(
os.getcwd(),
sandbox_path=m.sandbox_path,
layout=widgets.Layout(width="454px"),
)
open_chooser.filter_pattern = ["*.shp", "*.geojson", "*.gpkg"]
open_chooser.use_dir_icons = True
open_chooser.register_callback(open_chooser_callback)
open_control = ipyleaflet.WidgetControl(
widget=open_chooser, position="topright"
)
m.add(open_control)
m.open_control = open_control
open_button.observe(open_btn_click, "value")
def chooser_callback(chooser):
m.save_draw_features(chooser.selected, indent=None)
if m.file_control in m.controls:
m.remove_control(m.file_control)
delattr(m, "file_control")
with output:
print(f"Saved to {chooser.selected}")
def save_btn_click(change):
if change["new"]:
save_button.value = False
file_chooser = FileChooser(
os.getcwd(),
sandbox_path=m.sandbox_path,
layout=widgets.Layout(width="454px"),
)
file_chooser.filter_pattern = ["*.shp", "*.geojson", "*.gpkg"]
file_chooser.default_filename = "data.geojson"
file_chooser.use_dir_icons = True
file_chooser.register_callback(chooser_callback)
file_control = ipyleaflet.WidgetControl(
widget=file_chooser, position="topright"
)
m.add(file_control)
m.file_control = file_control
save_button.observe(save_btn_click, "value")
def refresh_btn_click(change):
if change["new"]:
refresh_button.value = False
if m.draw_control.last_action == "edited":
with output:
geometries = [
feature["geometry"] for feature in m.draw_control.data
]
if len(m.draw_features) > 0:
if (
m.draw_features[-1]["geometry"]
== m.draw_control.last_draw["geometry"]
):
m.draw_features.pop()
for feature in m.draw_features:
if feature["geometry"] not in geometries:
feature["geometry"] = m.draw_control.last_draw["geometry"]
values = []
props = ipysheet.to_dataframe(m.edit_sheet)["Key"].tolist()
for prop in props:
if prop in feature["properties"]:
values.append(feature["properties"][prop])
else:
values.append("")
df = pd.DataFrame({"Key": props, "Value": values})
df.index += 1
m.edit_sheet = ipysheet.from_dataframe(df)
output.outputs = ()
display(m.edit_sheet)
refresh_button.observe(refresh_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
with output:
output.outputs = ()
display(m.edit_sheet)
if len(m.draw_control.data) == 0:
print("Please draw a feature first.")
else:
if m.draw_control.last_action == "edited":
m.update_draw_features()
m.update_draw_props(ipysheet.to_dataframe(m.edit_sheet))
elif change["new"] == "Reset":
m.edit_sheet = ipysheet.from_dataframe(
m.get_draw_props(int_slider.value, return_df=True)
)
with output:
output.outputs = ()
display(m.edit_sheet)
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
m.edit_mode = False
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
inspector_gui(m, position='topright', opened=True)
¶
Generates a tool GUI template using ipywidgets.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def inspector_gui(
m,
position: Optional[str] = "topright",
opened: Optional[bool] = True,
):
"""Generates a tool GUI template using ipywidgets.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import pandas as pd
widget_width = "250px"
padding = "0px 5px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
if m is not None:
marker_cluster = ipyleaflet.MarkerCluster(name="Inspector Markers")
setattr(m, "pixel_values", [])
setattr(m, "marker_cluster", marker_cluster)
if not hasattr(m, "interact_mode"):
setattr(m, "interact_mode", False)
if not hasattr(m, "inspector_output"):
inspector_output = widgets.Output(
layout=widgets.Layout(width=widget_width, padding="0px 5px 5px 5px")
)
setattr(m, "inspector_output", inspector_output)
output = m.inspector_output
output.outputs = ()
if not hasattr(m, "inspector_add_marker"):
inspector_add_marker = widgets.Checkbox(
description="Add Marker at clicked location",
value=True,
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
setattr(m, "inspector_add_marker", inspector_add_marker)
add_marker = m.inspector_add_marker
if not hasattr(m, "inspector_bands_chk"):
inspector_bands_chk = widgets.Checkbox(
description="Get pixel value for visible bands only",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
setattr(m, "inspector_bands_chk", inspector_bands_chk)
bands_chk = m.inspector_bands_chk
if not hasattr(m, "inspector_class_label"):
inspector_label = widgets.Text(
value="",
description="Class label:",
placeholder="Add a label to the marker",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
setattr(m, "inspector_class_label", inspector_label)
label = m.inspector_class_label
options = []
if hasattr(m, "cog_layer_dict"):
options = list(m.cog_layer_dict.keys())
options.sort()
if len(options) == 0:
default_option = None
else:
default_option = options[0]
if not hasattr(m, "inspector_dropdown"):
inspector_dropdown = widgets.Dropdown(
options=options,
value=default_option,
description="Select a layer:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
setattr(m, "inspector_dropdown", inspector_dropdown)
dropdown = m.inspector_dropdown
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="info",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Download", "Reset", "Close"],
tooltips=["Download", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
if len(options) == 0:
with output:
print("No COG/STAC layers available")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
add_marker,
label,
dropdown,
bands_chk,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def chk_change(change):
if hasattr(m, "pixel_values"):
m.pixel_values = []
if hasattr(m, "marker_cluster"):
m.marker_cluster.markers = []
output.outputs = ()
bands_chk.observe(chk_change, "value")
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
if hasattr(m, "inspector_mode"):
delattr(m, "inspector_mode")
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
m.default_style = {"cursor": "default"}
m.marker_cluster.markers = []
m.pixel_values = []
marker_cluster_layer = m.find_layer("Inspector Markers")
if marker_cluster_layer is not None:
m.remove_layer(marker_cluster_layer)
if hasattr(m, "pixel_values"):
delattr(m, "pixel_values")
if hasattr(m, "marker_cluster"):
delattr(m, "marker_cluster")
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Download":
with output:
output.outputs = ()
if len(m.pixel_values) == 0:
print(
"No pixel values available. Click on the map to start collection data."
)
else:
print("Downloading pixel values...")
df = pd.DataFrame(m.pixel_values)
temp_csv = temp_file_path("csv")
df.to_csv(temp_csv, index=False)
link = create_download_link(temp_csv)
with output:
output.outputs = ()
display(link)
elif change["new"] == "Reset":
label.value = ""
output.outputs = ()
if hasattr(m, "pixel_values"):
m.pixel_values = []
if hasattr(m, "marker_cluster"):
m.marker_cluster.markers = []
elif change["new"] == "Close":
if m is not None:
if hasattr(m, "inspector_mode"):
delattr(m, "inspector_mode")
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
m.default_style = {"cursor": "default"}
m.marker_cluster.markers = []
marker_cluster_layer = m.find_layer("Inspector Markers")
if marker_cluster_layer is not None:
m.remove_layer(marker_cluster_layer)
m.pixel_values = []
if hasattr(m, "pixel_values"):
delattr(m, "pixel_values")
if hasattr(m, "marker_cluster"):
delattr(m, "marker_cluster")
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
def handle_interaction(**kwargs):
latlon = kwargs.get("coordinates")
lat = round(latlon[0], 4)
lon = round(latlon[1], 4)
if (
kwargs.get("type") == "click"
and hasattr(m, "inspector_mode")
and m.inspector_mode
):
m.default_style = {"cursor": "wait"}
with output:
output.outputs = ()
print("Getting pixel value ...")
layer_dict = m.cog_layer_dict[dropdown.value]
if layer_dict["type"] == "STAC":
if bands_chk.value:
assets = layer_dict["assets"]
else:
assets = None
result = stac_pixel_value(
lon,
lat,
layer_dict["url"],
layer_dict["collection"],
layer_dict["item"],
assets,
layer_dict["titiler_endpoint"],
verbose=False,
)
if result is not None:
with output:
output.clear_output()
print(f"lat, lon: {lat:.4f}, {lon:.4f}\n")
for key in result:
print(f"{key}: {result[key]}")
result["latitude"] = lat
result["longitude"] = lon
result["label"] = label.value
m.pixel_values.append(result)
if add_marker.value:
markers = list(m.marker_cluster.markers)
markers.append(ipyleaflet.Marker(location=latlon))
m.marker_cluster.markers = markers
else:
with output:
output.clear_output()
print("No pixel value available")
bounds = m.cog_layer_dict[m.inspector_dropdown.value]["bounds"]
m.zoom_to_bounds(bounds)
elif layer_dict["type"] == "COG":
if m.inspector_bands_chk.value:
indexes = layer_dict["indexes"]
else:
indexes = list(range(1, len(layer_dict["band_names"]) + 1))
result = cog_pixel_value(
lon, lat, layer_dict["url"], indexes, verbose=False
)
if result is not None:
with output:
output.clear_output()
print(f"lat, lon: {lat:.4f}, {lon:.4f}\n")
for key in result:
print(f"{key}: {result[key]}")
result["latitude"] = lat
result["longitude"] = lon
result["label"] = label.value
m.pixel_values.append(result)
if add_marker.value:
markers = list(m.marker_cluster.markers)
markers.append(ipyleaflet.Marker(location=latlon))
m.marker_cluster.markers = markers
else:
with output:
output.outputs = ()
print("No pixel value available")
bounds = m.cog_layer_dict[m.inspector_dropdown.value]["bounds"]
m.zoom_to_bounds(bounds)
elif layer_dict["type"] == "LOCAL":
try:
data = local_tile_pixel_value(
lon, lat, layer_dict["tile_client"], verbose=False
)
result = {}
band_names = data.band_names
values = data.array.data.tolist()
for i, band in enumerate(band_names):
result[band] = values[i]
if m.inspector_bands_chk.value:
vis_bands = m.cog_layer_dict[m.inspector_dropdown.value][
"vis_bands"
]
new_result = {}
for key in result:
if key in vis_bands:
new_result[key] = result[key]
result = new_result
with output:
output.clear_output()
print(f"lat, lon: {lat:.4f}, {lon:.4f}\n")
for key in result:
print(f"{key}: {result[key]}")
result["latitude"] = lat
result["longitude"] = lon
result["label"] = label.value
m.pixel_values.append(result)
if add_marker.value:
markers = list(m.marker_cluster.markers)
markers.append(ipyleaflet.Marker(location=latlon))
m.marker_cluster.markers = markers
except Exception as e:
with output:
output.clear_output()
print(e)
bounds = m.cog_layer_dict[m.inspector_dropdown.value]["bounds"]
m.zoom_to_bounds(bounds)
m.default_style = {"cursor": "crosshair"}
if m is not None:
if not hasattr(m, "marker_cluster"):
setattr(m, "marker_cluster", marker_cluster)
m.add(marker_cluster)
if not m.interact_mode:
m.on_interaction(handle_interaction)
m.interact_mode = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position=position
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
if not hasattr(m, "inspector_mode"):
if hasattr(m, "cog_layer_dict"):
setattr(m, "inspector_mode", True)
else:
setattr(m, "inspector_mode", False)
else:
return toolbar_widget
layer_manager_gui(m, position='topright', opened=True, return_widget=False)
¶
Creates a layer manager widget.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
geemap.Map |
The geemap.Map object. |
required |
position |
str |
The position of the widget. Defaults to "topright". |
'topright' |
return_widget |
bool |
Whether to return the widget. Defaults to False. |
False |
Source code in leafmap/toolbar.py
def layer_manager_gui(
m,
position: Optional[str] = "topright",
opened: Optional[bool] = True,
return_widget: Optional[bool] = False,
):
"""Creates a layer manager widget.
Args:
m (geemap.Map): The geemap.Map object.
position (str, optional): The position of the widget. Defaults to "topright".
return_widget (bool, optional): Whether to return the widget. Defaults to False.
"""
layers_button = widgets.ToggleButton(
value=False,
tooltip="Layer Manager",
icon="server",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
toolbar_header = widgets.HBox()
toolbar_header.children = [layers_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = []
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_header]
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [layers_button]
layers_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
layers_button.value = False
m.toolbar_reset()
if m.layer_manager is not None and m.layer_manager in m.controls:
m.remove_control(m.layer_manager)
m.layer_manager = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def layers_btn_click(change):
if change["new"]:
layers_hbox = []
all_layers_chk = widgets.Checkbox(
value=False,
description="All layers on/off",
indent=False,
layout=widgets.Layout(height="18px", padding="0px 8px 25px 8px"),
)
all_layers_chk.layout.width = "30ex"
layers_hbox.append(all_layers_chk)
def all_layers_chk_changed(change):
if change["new"]:
for layer in m.layers:
if hasattr(layer, "visible"):
layer.visible = True
else:
for layer in m.layers:
if hasattr(layer, "visible"):
layer.visible = False
all_layers_chk.observe(all_layers_chk_changed, "value")
layers = [lyr for lyr in m.layers if lyr.name]
# if the layers contain unsupported layers (e.g., GeoJSON, GeoData), adds the ipyleaflet built-in LayerControl
if len(layers) < (len(m.layers) - 1):
if m.layer_control is None:
layer_control = ipyleaflet.LayersControl(position="topright")
m.layer_control = layer_control
if m.layer_control not in m.controls:
m.add(m.layer_control)
# for non-TileLayer, use layer.style={'opacity':0, 'fillOpacity': 0} to turn layer off.
for layer in layers:
visible = True
if hasattr(layer, "visible"):
visible = layer.visible
layer_chk = widgets.Checkbox(
value=visible,
description=layer.name,
indent=False,
layout=widgets.Layout(height="18px"),
)
layer_chk.layout.width = "25ex"
if layer in m.geojson_layers:
try:
opacity = max(
layer.style["opacity"], layer.style["fillOpacity"]
)
except KeyError:
opacity = 1.0
elif hasattr(layer, "opacity"):
opacity = layer.opacity
else:
opacity = 1.0
layer_opacity = widgets.FloatSlider(
value=opacity,
min=0,
max=1,
step=0.01,
readout=False,
layout=widgets.Layout(width="80px"),
)
layer_settings = widgets.Button(
icon="gear",
tooltip=layer.name,
layout=widgets.Layout(
width="25px", height="25px", padding="0px 0px 0px 0px"
),
)
def layer_settings_click(b):
if b.tooltip in m.cog_layer_dict:
m._add_layer_editor(
position="topright",
layer_dict=m.cog_layer_dict[b.tooltip],
)
layer_settings.on_click(layer_settings_click)
def layer_opacity_changed(change):
if change["new"]:
layer.style = {
"opacity": change["new"],
"fillOpacity": change["new"],
}
if hasattr(layer, "visible"):
widgets.jslink((layer_chk, "value"), (layer, "visible"))
if layer in m.geojson_layers:
layer_opacity.observe(layer_opacity_changed, "value")
elif hasattr(layer, "opacity"):
widgets.jsdlink((layer_opacity, "value"), (layer, "opacity"))
hbox = widgets.HBox(
[layer_chk, layer_settings, layer_opacity],
layout=widgets.Layout(padding="0px 8px 0px 8px"),
)
layers_hbox.append(hbox)
m.layer_widget = layers_hbox
toolbar_header.children = [close_button, layers_button]
toolbar_footer.children = layers_hbox
else:
toolbar_header.children = [layers_button]
layers_button.observe(layers_btn_click, "value")
layers_button.value = opened
if not hasattr(m, "_layer_manager_widget"):
m._layer_manager_widget = toolbar_footer
if return_widget:
return m.layer_widget
else:
layer_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position=position
)
if layer_control not in m.controls:
m.add_control(layer_control)
m.layer_manager = layer_control
main_toolbar(m)
¶
Creates the main toolbar and adds it to the map.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leafmap Map object. |
required |
Source code in leafmap/toolbar.py
def main_toolbar(m):
"""Creates the main toolbar and adds it to the map.
Args:
m (leafmap.Map): The leafmap Map object.
"""
all_tools = {
"map": {
"name": "basemap",
"tooltip": "Change basemap",
},
"globe": {
"name": "split_map",
"tooltip": "Split-panel map",
},
"adjust": {
"name": "planet",
"tooltip": "Planet imagery",
},
"folder-open": {
"name": "open_data",
"tooltip": "Open local vector/raster data",
},
"gears": {
"name": "whitebox",
"tooltip": "WhiteboxTools for local geoprocessing",
},
"fast-forward": {
"name": "timeslider",
"tooltip": "Activate the time slider",
},
"eraser": {
"name": "eraser",
"tooltip": "Remove all drawn features",
},
"camera": {
"name": "save_map",
"tooltip": "Save map as HTML or image",
},
"filter": {
"name": "census",
"tooltip": "Get US Census data",
},
"info": {
"name": "inspector",
"tooltip": "Get COG/STAC pixel value",
},
"search": {
"name": "search_xyz",
"tooltip": "Search XYZ tile services",
},
"download": {
"name": "download_osm",
"tooltip": "Download OSM data",
},
"picture-o": {
"name": "raster",
"tooltip": "Open COG/STAC dataset",
},
"search-plus": {
"name": "search_geojson",
"tooltip": "Search features in GeoJSON layer",
},
"table": {
"name": "attribute_table",
"tooltip": "Open attribute table",
},
"pencil-square-o": {
"name": "edit_vector",
"tooltip": "Create vector data",
},
"stack-exchange": {
"name": "stac",
"tooltip": "Discover STAC Catalog",
},
"plane": {
"name": "oam",
"tooltip": "Search OpenAerialMap",
},
# "spinner": {
# "name": "placeholder2",
# "tooltip": "This is a placeholder",
# },
# "question": {
# "name": "help",
# "tooltip": "Get help",
# },
}
# if m.sandbox_path is None and (os.environ.get("USE_VOILA") is not None):
# voila_tools = ["camera", "folder-open", "gears"]
# for item in voila_tools:
# if item in tools.keys():
# del tools[item]
tools = {}
for tool in all_tools:
if os.environ.get(all_tools[tool]["name"].upper(), "").upper() != "FALSE":
tools[tool] = all_tools[tool]
icons = list(tools.keys())
tooltips = [item["tooltip"] for item in list(tools.values())]
toolnames = [item["name"].upper() for item in list(all_tools.values())]
toolnames.sort()
setattr(m, "_ENV_VARS", toolnames)
icon_width = "32px"
icon_height = "32px"
n_cols = 3
n_rows = math.ceil(len(icons) / n_cols)
toolbar_grid = widgets.GridBox(
children=[
widgets.ToggleButton(
layout=widgets.Layout(
width="auto", height="auto", padding="0px 0px 0px 4px"
),
button_style="primary",
icon=icons[i],
tooltip=tooltips[i],
)
for i in range(len(icons))
],
layout=widgets.Layout(
width="109px",
grid_template_columns=(icon_width + " ") * n_cols,
grid_template_rows=(icon_height + " ") * n_rows,
grid_gap="1px 1px",
padding="5px",
),
)
m.toolbar = toolbar_grid
def tool_callback(change):
if change["new"]:
current_tool = change["owner"]
for tool in toolbar_grid.children:
if tool is not current_tool:
tool.value = False
tool = change["owner"]
tool_name = tools[tool.icon]["name"]
if tool_name == "basemap":
change_basemap(m)
if tool_name == "split_map":
split_basemaps(m)
if tool_name == "planet":
split_basemaps(m, layers_dict=planet_tiles())
elif tool_name == "open_data":
open_data_widget(m)
elif tool_name == "eraser":
if m.draw_control is not None:
m.draw_control.clear()
m.user_roi = None
m.user_rois = None
m.draw_features = []
elif tool_name == "whitebox":
import whiteboxgui.whiteboxgui as wbt
tools_dict = wbt.get_wbt_dict()
wbt_toolbox = wbt.build_toolbox(
tools_dict,
max_width="800px",
max_height="500px",
sandbox_path=m.sandbox_path,
)
wbt_control = ipyleaflet.WidgetControl(
widget=wbt_toolbox, position="bottomright"
)
m.whitebox = wbt_control
m.add(wbt_control)
elif tool_name == "timeslider":
m.add_time_slider()
elif tool_name == "save_map":
save_map((m))
elif tool_name == "census":
census_widget(m)
elif tool_name == "inspector":
inspector_gui(m)
elif tool_name == "search_xyz":
search_basemaps(m)
elif tool_name == "download_osm":
download_osm(m)
elif tool_name == "raster":
open_raster_gui(m)
elif tool_name == "search_geojson":
search_geojson_gui(m)
elif tool_name == "attribute_table":
select_table_gui(m)
elif tool_name == "edit_vector":
edit_draw_gui(m)
elif tool_name == "stac":
stac_gui(m)
elif tool_name == "oam":
oam_search_gui(m)
elif tool_name == "help":
import webbrowser
webbrowser.open_new_tab("https://leafmap.org")
current_tool.value = False
else:
# tool = change["owner"]
# tool_name = tools[tool.icon]["name"]
pass
m.toolbar_reset()
for tool in toolbar_grid.children:
tool.observe(tool_callback, "value")
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="wrench",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
m.toolbar_button = toolbar_button
layers_button = widgets.ToggleButton(
value=False,
tooltip="Layers",
icon="server",
layout=widgets.Layout(height="28px", width="72px"),
)
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [layers_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [toolbar_grid]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
layers_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
layers_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not layers_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def layers_btn_click(change):
if change["new"]:
toolbar_footer.children = layer_manager_gui(m, return_widget=True)
toolbar_button.value = False
else:
toolbar_footer.children = [toolbar_grid]
layers_button.observe(layers_btn_click, "value")
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
m.add(toolbar_control)
nasa_data_gui(m, position='topright', opened=True, default_dataset='GEDI_L4A_AGB_Density_V2_1_2056', **kwargs)
¶
Search NASA Earth data interactive
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
position |
str |
The position of the widget. Defaults to "topright". |
'topright' |
opened |
bool |
Whether to open the widget. Defaults to True. |
True |
default_dataset |
str |
The default dataset. Defaults to "GEDI_L4A_AGB_Density_V2_1_2056". |
'GEDI_L4A_AGB_Density_V2_1_2056' |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def nasa_data_gui(
m,
position: Optional[str] = "topright",
opened: Optional[bool] = True,
default_dataset: Optional[str] = "GEDI_L4A_AGB_Density_V2_1_2056",
**kwargs,
):
"""Search NASA Earth data interactive
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
position (str, optional): The position of the widget. Defaults to "topright".
opened (bool, optional): Whether to open the widget. Defaults to True.
default_dataset (str, optional): The default dataset. Defaults to "GEDI_L4A_AGB_Density_V2_1_2056".
Returns:
ipywidgets: The tool GUI widget.
"""
import pandas as pd
from datetime import datetime
widget_width = "400px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
if not hasattr(m, "_NASA_DATA"):
url = "https://github.com/opengeos/NASA-Earth-Data/raw/main/nasa_earth_data.tsv"
df = pd.read_csv(url, sep="\t")
setattr(m, "_NASA_DATA", df)
names = df["ShortName"].tolist()
setattr(m, "_NASA_DATA_NAMES", names)
default_title = m._NASA_DATA[m._NASA_DATA["ShortName"] == default_dataset][
"EntryTitle"
].values[0]
output = widgets.Output(
layout=widgets.Layout(width=widget_width, padding=padding, overflow="auto")
)
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Search NASA Earth data",
icon="search",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
keyword = widgets.Text(
value="",
description="Keyword:",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
short_name = widgets.Dropdown(
options=m._NASA_DATA_NAMES,
value=default_dataset,
description="Short Name:",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
title = widgets.Text(
value=default_title,
description="Title:",
style=style,
disabled=True,
layout=widgets.Layout(width=widget_width, padding=padding),
)
max_items = widgets.IntText(
value=50,
description="Max items:",
style=style,
layout=widgets.Layout(width="125px", padding=padding),
)
bbox = widgets.Text(
value="",
description="Bounding box:",
placeholder="xmin, ymin, xmax, ymax",
style=style,
layout=widgets.Layout(width="271px", padding=padding),
)
start_date = widgets.DatePicker(
description="Start date:",
disabled=False,
style=style,
layout=widgets.Layout(width="198px", padding=padding),
)
end_date = widgets.DatePicker(
description="End date:",
disabled=False,
style=style,
layout=widgets.Layout(width="198px", padding=padding),
)
dataset = widgets.Dropdown(
value=None,
description="Dataset:",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Search", "Display", "Reset", "Close"],
tooltips=["Get Items", "Display Image", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "65px"
def change_keyword(change):
short_name.options = nasa_datasets(
keyword.value, df=m._NASA_DATA, return_short_name=True
)
keyword.on_submit(change_keyword)
def change_dataset(change):
title.value = m._NASA_DATA[m._NASA_DATA["ShortName"] == short_name.value][
"EntryTitle"
].values[0]
dataset.value = None
dataset.options = []
short_name.observe(change_dataset, "value")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
keyword,
short_name,
title,
widgets.HBox([max_items, bbox]),
widgets.HBox([start_date, end_date]),
dataset,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Search":
with output:
output.clear_output()
with output:
print("Searching...")
if bbox.value.strip() == "":
if m.user_roi_bounds() is not None:
bounds = tuple(m.user_roi_bounds())
else:
bounds = (
m.bounds[0][1],
m.bounds[0][0],
m.bounds[1][1],
m.bounds[1][0],
)
else:
bounds = tuple(map(float, bbox.value.split(",")))
if len(bounds) != 4:
print("Please provide a valid bounding box.")
bounds = None
if start_date.value is not None and end_date.value is not None:
date_range = (str(start_date.value), str(end_date.value))
elif start_date.value is not None:
date_range = (
str(start_date.value),
datetime.today().strftime("%Y-%m-%d"),
)
else:
date_range = None
output.clear_output(wait=True)
try:
results, gdf = nasa_data_search(
count=max_items.value,
short_name=short_name.value,
bbox=bounds,
temporal=date_range,
return_gdf=True,
)
if len(results) > 0:
if "Footprints" in m.get_layer_names():
m.remove(m.find_layer("Footprints"))
if (
hasattr(m, "_NASA_DATA_CTRL")
and m._NASA_DATA_CTRL in m.controls
):
m.remove(m._NASA_DATA_CTRL)
m.add_gdf(
gdf,
layer_name="Footprints",
info_mode="on_click",
zoom_to_layer=False,
)
setattr(m, "_NASA_DATA_CTRL", m.controls[-1])
dataset.options = gdf["native-id"].values.tolist()
dataset.value = dataset.options[0]
setattr(m, "_NASA_DATA_GDF", gdf)
setattr(m, "_NASA_DATA_RESULTS", results)
except Exception as e:
print(e)
elif change["new"] == "Display":
output.clear_output()
with output:
print("To be implemented...")
elif change["new"] == "Reset":
keyword.value = ""
short_name.options = m._NASA_DATA_NAMES
short_name.value = default_dataset
title.value = default_title
max_items.value = 50
bbox.value = ""
bbox.placeholder = "xmin, ymin, xmax, ymax"
start_date.value = None
end_date.value = None
dataset.options = []
dataset.value = None
output.clear_output()
if "Footprints" in m.get_layer_names():
m.remove(m.find_layer("Footprints"))
if hasattr(m, "_NASA_DATA_CTRL") and m._NASA_DATA_CTRL in m.controls:
m.remove(m._NASA_DATA_CTRL)
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position=position
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
oam_search_gui(m, position='topright', opened=True)
¶
Generates a tool GUI template using ipywidgets. Icons can be found at https://fontawesome.com/v4/icons
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def oam_search_gui(
m,
position: Optional[str] = "topright",
opened: Optional[bool] = True,
):
"""Generates a tool GUI template using ipywidgets. Icons can be found at https://fontawesome.com/v4/icons
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="plane",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
dropdown = widgets.Dropdown(
options=["Map bounds", "User drawn ROI", "Custom bbox"],
value="Map bounds",
description="bbox:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
start_date = widgets.DatePicker(
description="start date:",
disabled=False,
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
end_date = widgets.DatePicker(
description="end date:",
disabled=False,
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
checkbox = widgets.Checkbox(
description="Additional parameters",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
textarea = widgets.Textarea(
placeholder="Addition parameters as a dictionary, e.g., {'platform': 'UAV'}",
layout=widgets.Layout(width=widget_width),
)
params_hbox = widgets.HBox()
def checkbox_changed(change):
if checkbox.value:
params_hbox.children = [textarea]
else:
params_hbox.children = []
checkbox.observe(checkbox_changed, "value")
int_slider = widgets.IntSlider(
value=100,
min=1,
max=200,
description="Limit: ",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="220px", padding=padding),
style=style,
)
int_slider_label = widgets.Label("100")
def int_slider_changed(change):
if change["new"]:
int_slider_label.value = str(int_slider.value)
int_slider.observe(int_slider_changed, "value")
buttons = widgets.ToggleButtons(
value=None,
options=["Search", "Reset", "Close"],
tooltips=["Search", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
dropdown,
start_date,
end_date,
widgets.HBox([int_slider, int_slider_label]),
checkbox,
params_hbox,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Search":
with output:
output.outputs = ()
if m is not None:
if dropdown.value == "Map bounds":
bbox = m.get_bbox()
elif dropdown.value == "User drawn ROI":
bbox = m.user_roi_bounds()
else:
bbox = None
if start_date.value is not None:
start = str(start_date.value)
else:
start = None
if end_date.value is not None:
end = str(end_date.value)
else:
end = None
if (
checkbox.value
and textarea.value.strip().startswith("{")
and textarea.value.strip().endswith("}")
):
params = eval(textarea.value)
else:
params = {}
limit = int_slider.value
m.oam_search(bbox, start, end, limit=limit, **params)
elif change["new"] == "Reset":
textarea.value = ""
dropdown.value = "Map bounds"
start_date.value = None
end_date.value = None
checkbox.value = False
int_slider.value = 100
output.outputs = ()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position=position
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
open_data_widget(m)
¶
A widget for opening local vector/raster data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
leafmap.Map |
required |
Source code in leafmap/toolbar.py
def open_data_widget(m):
"""A widget for opening local vector/raster data.
Args:
m (object): leafmap.Map
"""
import warnings
from .colormaps import list_colormaps
warnings.filterwarnings("ignore")
padding = "0px 0px 0px 5px"
style = {"description_width": "initial"}
file_type = widgets.ToggleButtons(
options=["Shapefile", "GeoJSON", "CSV", "Vector", "Raster"],
tooltips=[
"Open a shapefile",
"Open a GeoJSON file",
"Open a vector dataset",
"Create points from CSV",
"Open a vector dataset",
"Open a raster dataset",
],
)
file_type.style.button_width = "88px"
filepath = widgets.Text(
value="",
description="File path or http URL:",
tooltip="Enter a file path or http URL to vector data",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
http_widget = widgets.HBox()
file_chooser = FileChooser(
os.getcwd(), sandbox_path=m.sandbox_path, layout=widgets.Layout(width="454px")
)
file_chooser.filter_pattern = "*.shp"
file_chooser.use_dir_icons = True
layer_name = widgets.Text(
value="Shapefile",
description="Enter a layer name:",
tooltip="Enter a layer name for the selected file",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
longitude = widgets.Dropdown(
options=[],
value=None,
description="Longitude:",
layout=widgets.Layout(width="149px", padding=padding),
style=style,
)
latitude = widgets.Dropdown(
options=[],
value=None,
description="Latitude:",
layout=widgets.Layout(width="149px", padding=padding),
style=style,
)
label = widgets.Dropdown(
options=[],
value=None,
description="Label:",
layout=widgets.Layout(width="149px", padding=padding),
style=style,
)
point_check = widgets.Checkbox(
description="Is it a point layer?",
indent=False,
layout=widgets.Layout(padding=padding, width="150px"),
style=style,
)
point_popup = widgets.SelectMultiple(
options=[
"None",
],
value=["None"],
description="Popup attributes:",
disabled=False,
style=style,
)
csv_widget = widgets.HBox()
point_widget = widgets.HBox()
def point_layer_check(change):
if point_check.value:
if filepath.value.strip() != "":
m.default_style = {"cursor": "wait"}
point_popup.options = vector_col_names(filepath.value)
point_popup.value = [point_popup.options[0]]
point_widget.children = [point_check, point_popup]
else:
point_widget.children = [point_check]
point_check.observe(point_layer_check)
ok_cancel = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
# ok_cancel.style.button_width = "50px"
bands = widgets.Text(
value=None,
description="Band:",
tooltip="Enter a list of band indices",
style=style,
layout=widgets.Layout(width="150px", padding=padding),
)
vmin = widgets.Text(
value=None,
description="vmin:",
tooltip="Minimum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="148px"),
)
vmax = widgets.Text(
value=None,
description="vmax:",
tooltip="Maximum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="148px"),
)
nodata = widgets.Text(
value=None,
description="Nodata:",
tooltip="Nodata the raster to visualize",
style=style,
layout=widgets.Layout(width="150px", padding=padding),
)
palette = widgets.Dropdown(
options=[],
value=None,
description="palette:",
layout=widgets.Layout(width="300px"),
style=style,
)
raster_options = widgets.VBox()
def filepath_change(_):
if file_type.value == "Raster":
pass
# if (
# filepath.value.startswith("http")
# or filepath.value.endswith(".txt")
# or filepath.value.endswith(".csv")
# ):
# bands.disabled = True
# palette.disabled = False
# # x_dim.disabled = True
# # y_dim.disabled = True
# else:
# bands.disabled = False
# palette.disabled = False
# # x_dim.disabled = True
# # y_dim.disabled = True
filepath.observe(filepath_change, "value")
tool_output = widgets.Output(
layout=widgets.Layout(max_height="150px", max_width="500px", overflow="auto")
)
main_widget = widgets.VBox(
[
file_type,
file_chooser,
http_widget,
csv_widget,
layer_name,
point_widget,
raster_options,
ok_cancel,
tool_output,
]
)
tool_output_ctrl = ipyleaflet.WidgetControl(widget=main_widget, position="topright")
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
def bands_changed(change):
if change["new"] and "," in change["owner"].value:
palette.value = None
palette.disabled = True
else:
palette.disabled = False
bands.observe(bands_changed, "value")
def chooser_callback(chooser):
filepath.value = file_chooser.selected
if file_type.value == "CSV":
import pandas as pd
df = pd.read_csv(filepath.value)
col_names = df.columns.values.tolist()
longitude.options = col_names
latitude.options = col_names
label.options = col_names
if "longitude" in col_names:
longitude.value = "longitude"
if "latitude" in col_names:
latitude.value = "latitude"
if "name" in col_names:
label.value = "name"
file_chooser.register_callback(chooser_callback)
def file_type_changed(change):
ok_cancel.value = None
file_chooser.default_path = os.getcwd()
file_chooser.reset()
layer_name.value = file_type.value
csv_widget.children = []
filepath.value = ""
tool_output.outputs = ()
if change["new"] == "Shapefile":
file_chooser.filter_pattern = "*.shp"
raster_options.children = []
point_widget.children = []
point_check.value = False
http_widget.children = []
elif change["new"] == "GeoJSON":
file_chooser.filter_pattern = ["*.geojson", "*.json"]
raster_options.children = []
point_widget.children = []
point_check.value = False
http_widget.children = [filepath]
elif change["new"] == "Vector":
file_chooser.filter_pattern = "*.*"
raster_options.children = []
point_widget.children = [point_check]
point_check.value = False
http_widget.children = [filepath]
elif change["new"] == "CSV":
file_chooser.filter_pattern = ["*.csv", "*.CSV"]
csv_widget.children = [longitude, latitude, label]
raster_options.children = []
point_widget.children = []
point_check.value = False
http_widget.children = [filepath]
elif change["new"] == "Raster":
file_chooser.filter_pattern = ["*.tif", "*.img"]
palette.options = list_colormaps(add_extra=True)
palette.value = None
raster_options.children = [
widgets.HBox([bands, vmin, vmax]),
widgets.HBox([nodata, palette]),
]
point_widget.children = []
point_check.value = False
http_widget.children = [filepath]
def ok_cancel_clicked(change):
if change["new"] == "Apply":
m.default_style = {"cursor": "wait"}
file_path = filepath.value
with tool_output:
tool_output.outputs = ()
if file_path.strip() != "":
ext = os.path.splitext(file_path)[1]
if point_check.value:
popup = list(point_popup.value)
if len(popup) == 1:
popup = popup[0]
m.add_point_layer(
file_path,
popup=popup,
layer_name=layer_name.value,
)
elif ext.lower() == ".shp":
m.add_shp(file_path, style={}, layer_name=layer_name.value)
elif ext.lower() == ".geojson":
m.add_geojson(file_path, style={}, layer_name=layer_name.value)
elif ext.lower() == ".csv" and file_type.value == "CSV":
m.add_xy_data(
file_path,
x=longitude.value,
y=latitude.value,
label=label.value,
layer_name=layer_name.value,
)
elif (
ext.lower() in [".tif", "img"]
) and file_type.value == "Raster":
band = None
vis_min = None
vis_max = None
vis_nodata = None
try:
if len(bands.value) > 0:
band = int(bands.value)
if len(vmin.value) > 0:
vis_min = float(vmin.value)
if len(vmax.value) > 0:
vis_max = float(vmax.value)
if len(nodata.value) > 0:
vis_nodata = float(nodata.value)
except Exception as _:
pass
m.add_raster(
file_path,
layer_name=layer_name.value,
band=band,
palette=palette.value,
vmin=vis_min,
vmax=vis_max,
nodata=vis_nodata,
)
else:
print("Please select a file to open.")
m.toolbar_reset()
m.default_style = {"cursor": "default"}
elif change["new"] == "Reset":
file_chooser.reset()
tool_output.outputs = ()
filepath.value = ""
m.toolbar_reset()
elif change["new"] == "Close":
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
m.tool_output_ctrl = None
m.toolbar_reset()
ok_cancel.value = None
file_type.observe(file_type_changed, names="value")
ok_cancel.observe(ok_cancel_clicked, names="value")
# file_chooser.register_callback(chooser_callback)
m.add(tool_output_ctrl)
m.tool_output_ctrl = tool_output_ctrl
open_raster_gui(m)
¶
A widget for opening local/remote COG/STAC data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
leafmap.Map |
required |
Source code in leafmap/toolbar.py
def open_raster_gui(m):
"""A widget for opening local/remote COG/STAC data.
Args:
m (object): leafmap.Map
"""
padding = "0px 0px 0px 5px"
style = {"description_width": "initial"}
tool_output = widgets.Output(
layout=widgets.Layout(max_height="150px", max_width="500px", overflow="auto")
)
file_type = widgets.ToggleButtons(
options=["GeoTIFF", "COG", "STAC", "Microsoft"],
tooltips=[
"Open a local GeoTIFF file",
"Open a remote COG file",
"Open a remote STAC item",
"Create COG from Microsoft Planetary Computer",
],
)
file_type.style.button_width = "110px"
file_chooser = FileChooser(
os.getcwd(), sandbox_path=m.sandbox_path, layout=widgets.Layout(width="454px")
)
file_chooser.filter_pattern = ["*.tif", "*.tiff"]
file_chooser.use_dir_icons = True
source_widget = widgets.VBox([file_chooser])
http_url = widgets.Text(
value="",
description="HTTP URL:",
tooltip="Enter an http URL to COG file",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
collection = widgets.Dropdown(
options=["landsat-8-c2-l2 - Landsat 8 Collection 2 Level-2"],
value="landsat-8-c2-l2 - Landsat 8 Collection 2 Level-2",
description="PC Collection:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
items = widgets.Text(
value="LC08_L2SP_047027_20201204_02_T1",
description="STAC Items:",
tooltip="STAC Item ID",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
assets = widgets.Text(
value="SR_B7,SR_B5,SR_B4",
description="STAC Assets:",
tooltip="STAC Asset ID",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
layer_name = widgets.Text(
value="GeoTIFF",
description="Enter a layer name:",
tooltip="Enter a layer name for the selected file",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
ok_cancel = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
# ok_cancel.style.button_width = "50px"
bands = widgets.Text(
value=None,
description="Band:",
tooltip="Enter a list of band indices",
style=style,
layout=widgets.Layout(width="150px", padding=padding),
)
band_width = "149px"
red = widgets.Dropdown(
value=None,
options=[],
description="Red:",
tooltip="Select a band for the red channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
green = widgets.Dropdown(
value=None,
options=[],
description="Green:",
tooltip="Select a band for the green channel",
style=style,
layout=widgets.Layout(width="148px", padding=padding),
)
blue = widgets.Dropdown(
value=None,
options=[],
description="Blue:",
tooltip="Select a band for the blue channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
vmin = widgets.Text(
value=None,
description="vmin:",
tooltip="Minimum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="148px", padding=padding),
)
vmax = widgets.Text(
value=None,
description="vmax:",
tooltip="Maximum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="148px", padding=padding),
)
nodata = widgets.Text(
value=None,
description="Nodata:",
tooltip="Nodata the raster to visualize",
style=style,
layout=widgets.Layout(width="150px", padding=padding),
)
local_tile_palettes = list_palettes(add_extra=True)
cog_stac_palettes = list_palettes(lowercase=True)
palette_options = local_tile_palettes
palette = widgets.Dropdown(
options=palette_options,
value=None,
description="palette:",
layout=widgets.Layout(width="300px", padding=padding),
style=style,
)
checkbox = widgets.Checkbox(
value=False,
description="Additional params",
indent=False,
layout=widgets.Layout(width="154px", padding=padding),
style=style,
)
add_params_text1 = "Additional parameters in the format of a dictionary, for example, \n {'palette': ['#006633', '#E5FFCC', '#662A00', '#D8D8D8', '#F5F5F5']}"
add_params_text2 = "Additional parameters in the format of a dictionary, for example, \n {'expression': '(SR_B5-SR_B4)/(SR_B5+SR_B4)'}"
add_params = widgets.Textarea(
value="",
placeholder=add_params_text1,
layout=widgets.Layout(width="454px", padding=padding),
style=style,
)
params_widget = widgets.HBox()
raster_options = widgets.VBox()
raster_options.children = [
widgets.HBox([red, green, blue]),
widgets.HBox([vmin, vmax, nodata]),
widgets.HBox([palette, checkbox]),
params_widget,
]
def collection_changed(change):
if change["new"]:
if not hasattr(m, "pc_inventory"):
setattr(m, "pc_inventory", pc.get_pc_inventory())
col_name = change["new"].split(" - ")[0]
items.value = m.pc_inventory[col_name]["first_item"]
band_names = m.pc_inventory[col_name]["bands"]
red.options = band_names
green.options = band_names
blue.options = band_names
if change["new"] == "landsat-8-c2-l2 - Landsat 8 Collection 2 Level-2":
items.value = "LC08_L2SP_047027_20201204_02_T1"
assets.value = "SR_B7,SR_B5,SR_B4"
red.value = "SR_B7"
green.value = "SR_B5"
blue.value = "SR_B4"
elif change["new"] == "sentinel-2-l2a - Sentinel-2 Level-2A":
items.value = "S2B_MSIL2A_20190629T212529_R043_T06VVN_20201006T080531"
assets.value = "B08,B04,B03"
red.value = "B08"
green.value = "B04"
blue.value = "B03"
else:
if len(band_names) > 2:
assets.value = ",".join(band_names[:3])
red.value = band_names[0]
green.value = band_names[1]
blue.value = band_names[2]
else:
assets.value = band_names[0]
red.value = band_names[0]
green.value = band_names[0]
blue.value = band_names[0]
collection.observe(collection_changed, names="value")
def band_changed(change):
if change["name"]:
if not checkbox.value:
if file_type.value == "GeoTIFF":
if hasattr(m, "tile_client"):
min_max = local_tile_vmin_vmax(
m.tile_client, bands=[red.value, green.value, blue.value]
)
vmin.value = str(min_max[0])
vmax.value = str(min_max[1])
elif file_type.value == "Microsoft":
if len(set([red.value, green.value, blue.value])) == 1:
assets.value = f"{red.value}"
else:
assets.value = f"{red.value},{green.value},{blue.value}"
red.observe(band_changed, names="value")
green.observe(band_changed, names="value")
blue.observe(band_changed, names="value")
def checkbox_changed(change):
if change["new"]:
params_widget.children = [add_params]
else:
params_widget.children = []
checkbox.observe(checkbox_changed, names="value")
def url_change(change):
if change["new"] and change["new"].startswith("http"):
with tool_output:
try:
print("Retrieving band names...")
if file_type.value == "COG":
bandnames = cog_bands(change["new"])
elif file_type.value == "STAC":
bandnames = stac_bands(change["new"])
red.options = bandnames
green.options = bandnames
blue.options = bandnames
if len(bandnames) > 2:
red.value = bandnames[0]
green.value = bandnames[1]
blue.value = bandnames[2]
else:
red.value = bandnames[0]
green.value = bandnames[0]
blue.value = bandnames[0]
tool_output.outputs = ()
except Exception as e:
print(e)
print("Error loading URL.")
return
else:
red.options = []
green.options = []
blue.options = []
vmin.value = ""
vmax.value = ""
nodata.value = ""
palette.value = None
http_url.observe(url_change, names="value")
main_widget = widgets.VBox(
[
file_type,
source_widget,
layer_name,
raster_options,
ok_cancel,
tool_output,
]
)
tool_output_ctrl = ipyleaflet.WidgetControl(widget=main_widget, position="topright")
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
def bands_changed(change):
if change["new"] and "," in change["owner"].value:
palette.value = None
palette.disabled = True
else:
palette.disabled = False
bands.observe(bands_changed, "value")
def chooser_callback(chooser):
try:
source = file_chooser.selected
tile_layer, tile_client = get_local_tile_layer(source, return_client=True)
if not hasattr(m, "tile_client"):
setattr(m, "tile_client", tile_client)
bandnames = local_tile_bands(tile_client)
red.options = bandnames
green.options = bandnames
blue.options = bandnames
if len(bandnames) > 2:
red.value = bandnames[0]
green.value = bandnames[1]
blue.value = bandnames[2]
min_max = local_tile_vmin_vmax(
tile_client, bands=[red.value, green.value, blue.value]
)
vmin.value = str(min_max[0])
vmax.value = str(min_max[1])
else:
red.value = bandnames[0]
green.value = bandnames[0]
blue.value = bandnames[0]
min_max = local_tile_vmin_vmax(tile_client)
vmin.value = str(min_max[0])
vmax.value = str(min_max[1])
except Exception as e:
with tool_output:
print(e)
file_chooser.register_callback(chooser_callback)
def file_type_changed(change):
ok_cancel.value = None
file_chooser.default_path = os.getcwd()
file_chooser.reset()
layer_name.value = file_type.value
http_url.value = ""
tool_output.outputs = ()
red.value = None
green.value = None
blue.value = None
vmin.value = ""
vmax.value = ""
nodata.value = ""
palette.value = None
if change["new"] == "GeoTIFF":
source_widget.children = [file_chooser]
file_chooser.filter_pattern = ["*.tif", "*.tiff"]
palette.options = local_tile_palettes
palette.value = None
add_params.placeholder = add_params_text1
raster_options.children = [
widgets.HBox([red, green, blue]),
widgets.HBox([vmin, vmax, nodata]),
widgets.HBox([palette, checkbox]),
params_widget,
]
elif change["new"] == "COG":
http_url.value = "https://github.com/opengeos/data/releases/download/raster/Libya-2023-09-13.tif"
source_widget.children = [http_url]
palette.options = cog_stac_palettes
palette.value = None
add_params.placeholder = add_params_text2
elif change["new"] == "STAC":
http_url.value = "https://canada-spot-ortho.s3.amazonaws.com/canada_spot_orthoimages/canada_spot5_orthoimages/S5_2007/S5_11055_6057_20070622/S5_11055_6057_20070622.json"
source_widget.children = [http_url]
palette.options = cog_stac_palettes
palette.value = None
red.value = "B3"
green.value = "B2"
blue.value = "B1"
add_params.placeholder = add_params_text2
elif change["new"] == "Microsoft":
source_widget.children = [collection, items, assets]
palette.options = cog_stac_palettes
palette.value = None
add_params.placeholder = add_params_text2
collection.options = pc.get_pc_collection_list()
collection.value = "landsat-8-c2-l2 - Landsat 8 Collection 2 Level-2"
if not hasattr(m, "pc_inventory"):
setattr(m, "pc_inventory", pc.get_pc_inventory())
items.value = "LC08_L2SP_047027_20201204_02_T1"
assets.value = "SR_B7,SR_B5,SR_B4"
def ok_cancel_clicked(change):
if change["new"] == "Apply":
m.default_style = {"cursor": "wait"}
# file_path = http_url.value
with tool_output:
tool_output.outputs = ()
print("Loading data...")
if file_type.value == "GeoTIFF" and file_chooser.selected:
band = None
vis_min = None
vis_max = None
vis_nodata = None
vis_palette = None
try:
if len(red.options) > 2:
band = [red.value, green.value, blue.value]
if len(set(band)) > 1:
palette.value = None
else:
band = [red.value]
else:
band = [red.value]
if len(vmin.value) > 0:
vis_min = float(vmin.value)
if len(vmax.value) > 0:
vis_max = float(vmax.value)
if len(nodata.value) > 0:
vis_nodata = float(nodata.value)
if (
checkbox.value
and add_params.value.strip().startswith("{")
and add_params.value.strip().endswith("}")
):
vis_params = eval(add_params.value)
if "palette" in vis_params:
vis_palette = vis_params["palette"]
else:
vis_palette = get_palette_colors(
palette.value, hashtag=True
)
elif palette.value is not None:
vis_palette = get_palette_colors(
palette.value, hashtag=True
)
except Exception as e:
pass
m.add_raster(
file_chooser.selected,
layer_name=layer_name.value,
band=band,
palette=vis_palette,
vmin=vis_min,
vmax=vis_max,
nodata=vis_nodata,
)
tool_output.outputs = ()
elif file_type.value in ["COG", "STAC"] and http_url.value:
try:
tool_output.outputs = ()
print("Loading data...")
if (
checkbox.value
and add_params.value.strip().startswith("{")
and add_params.value.strip().endswith("}")
):
vis_params = eval(add_params.value)
else:
vis_params = {}
if (
palette.value
and len(set([red.value, green.value, blue.value])) == 1
):
vis_params["colormap_name"] = palette.value
elif (
palette.value
and len(set([red.value, green.value, blue.value])) > 1
):
palette.value = None
print("Palette can only be set for single band images.")
if vmin.value and vmax.value:
vis_params["rescale"] = f"{vmin.value},{vmax.value}"
if nodata.value:
vis_params["nodata"] = nodata.value
if file_type.value == "COG":
m.add_cog_layer(
http_url.value,
name=layer_name.value,
bands=[red.value, green.value, blue.value],
**vis_params,
)
elif file_type.value == "STAC":
m.add_stac_layer(
http_url.value,
bands=[red.value, green.value, blue.value],
name=layer_name.value,
**vis_params,
)
tool_output.outputs = ()
except Exception as e:
print(e)
print("Error loading data.")
return
elif file_type.value == "Microsoft":
try:
tool_output.outputs = ()
print("Loading data...")
if (
checkbox.value
and add_params.value.strip().startswith("{")
and add_params.value.strip().endswith("}")
):
vis_params = eval(add_params.value)
else:
vis_params = {}
if (
palette.value
and len(set([red.value, green.value, blue.value])) == 1
) or (palette.value and "expression" in vis_params):
vis_params["colormap_name"] = palette.value
elif (
palette.value
and len(set([red.value, green.value, blue.value])) > 1
and "expression" not in vis_params
):
palette.value = None
print("Palette can only be set for single band images.")
if vmin.value and vmax.value:
vis_params["rescale"] = f"{vmin.value},{vmax.value}"
if nodata.value:
vis_params["nodata"] = nodata.value
col = collection.value.split(" - ")[0]
m.add_stac_layer(
collection=col,
item=items.value,
assets=assets.value,
name=layer_name.value,
**vis_params,
)
tool_output.outputs = ()
except Exception as e:
print(e)
print("Error loading data.")
return
else:
tool_output.outputs = ()
print("Please select a file and enter an http URL.")
m.toolbar_reset()
m.default_style = {"cursor": "default"}
elif change["new"] == "Reset":
file_chooser.reset()
tool_output.outputs = ()
http_url.value = ""
add_params.value = ""
checkbox.value = False
palette.value = None
red.value = None
green.value = None
blue.value = None
vmin.value = ""
vmax.value = ""
nodata.value = ""
collection.value = None
items.value = ""
assets.value = ""
m.toolbar_reset()
elif change["new"] == "Close":
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
m.tool_output_ctrl = None
m.toolbar_reset()
ok_cancel.value = None
file_type.observe(file_type_changed, names="value")
ok_cancel.observe(ok_cancel_clicked, names="value")
m.add(tool_output_ctrl)
m.tool_output_ctrl = tool_output_ctrl
plotly_basemap_gui(canvas, map_min_width='78%', map_max_width='98%')
¶
Widget for changing basemaps.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
leafmap.Map. |
required |
Source code in leafmap/toolbar.py
def plotly_basemap_gui(canvas, map_min_width="78%", map_max_width="98%"):
"""Widget for changing basemaps.
Args:
m (object): leafmap.Map.
"""
from .plotlymap import basemaps
m = canvas.map
layer_count = len(m.layout.mapbox.layers)
container_widget = canvas.container_widget
map_widget = canvas.map_widget
map_widget.layout.width = map_min_width
value = "Esri.WorldTopoMap"
m.add_basemap(value)
dropdown = widgets.Dropdown(
options=list(basemaps.keys()),
value=value,
layout=widgets.Layout(width="200px"),
)
close_btn = widgets.Button(
icon="times",
tooltip="Close the basemap widget",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
basemap_widget = widgets.HBox([dropdown, close_btn])
container_widget.children = [basemap_widget]
def on_click(change):
basemap_name = change["new"]
m.layout.mapbox.layers = m.layout.mapbox.layers[:layer_count]
m.add_basemap(basemap_name)
dropdown.observe(on_click, "value")
def close_click(change):
container_widget.children = []
basemap_widget.close()
map_widget.layout.width = map_max_width
canvas.toolbar_reset()
canvas.toolbar_button.value = False
close_btn.on_click(close_click)
plotly_search_basemaps(canvas)
¶
The widget for search XYZ tile services.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
plotlymap.Map |
The Plotly Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def plotly_search_basemaps(canvas):
"""The widget for search XYZ tile services.
Args:
m (plotlymap.Map, optional): The Plotly Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import xyzservices.providers as xyz
from xyzservices import TileProvider
m = canvas.map
container_widget = canvas.container_widget
map_widget = canvas.map_widget
map_widget.layout.width = "75%"
# map_widget.layout.width = map_min_width
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="search",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
checkbox = widgets.Checkbox(
description="Search Quick Map Services (QMS)",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
providers = widgets.Dropdown(
options=[],
value=None,
description="XYZ Tile:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
keyword = widgets.Text(
value="",
description="Search keyword:",
placeholder="OpenStreetMap",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
def search_callback(change):
providers.options = []
if keyword.value != "":
tiles = search_xyz_services(keyword=keyword.value)
if checkbox.value:
tiles = tiles + search_qms(keyword=keyword.value)
providers.options = tiles
keyword.on_submit(search_callback)
buttons = widgets.ToggleButtons(
value=None,
options=["Search", "Reset", "Close"],
tooltips=["Search", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
def providers_change(change):
if change["new"] != "":
provider = change["new"]
if provider is not None:
if provider.startswith("qms"):
with output:
output.outputs = ()
print("Adding data. Please wait...")
name = provider[4:]
qms_provider = TileProvider.from_qms(name)
url = qms_provider.build_url()
attribution = qms_provider.attribution
m.add_tile_layer(url, name, attribution)
output.outputs = ()
elif provider.startswith("xyz"):
name = provider[4:]
xyz_provider = xyz.flatten()[name]
url = xyz_provider.build_url()
attribution = xyz_provider.attribution
if xyz_provider.requires_token():
with output:
output.outputs = ()
print(f"{provider} requires an API Key.")
m.add_tile_layer(url, name, attribution)
providers.observe(providers_change, "value")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
checkbox,
keyword,
providers,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
canvas.toolbar_reset()
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Search":
providers.options = []
output.outputs = ()
if keyword.value != "":
tiles = search_xyz_services(keyword=keyword.value)
if checkbox.value:
tiles = tiles + search_qms(keyword=keyword.value)
providers.options = tiles
else:
with output:
print("Please enter a search keyword.")
elif change["new"] == "Reset":
keyword.value = ""
providers.options = []
output.outputs = ()
elif change["new"] == "Close":
canvas.toolbar_reset()
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
container_widget.children = [toolbar_widget]
plotly_toolbar(canvas)
¶
Creates the main toolbar and adds it to the map.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
plotlymap.Map |
The plotly Map object. |
required |
Source code in leafmap/toolbar.py
def plotly_toolbar(
canvas,
):
"""Creates the main toolbar and adds it to the map.
Args:
m (plotlymap.Map): The plotly Map object.
"""
m = canvas.map
map_min_width = canvas.map_min_width
map_max_width = canvas.map_max_width
map_refresh = canvas.map_refresh
map_widget = canvas.map_widget
if not map_refresh:
width = int(map_min_width.replace("%", ""))
if width > 90:
map_min_width = "90%"
tools = {
"map": {
"name": "basemap",
"tooltip": "Change basemap",
},
"search": {
"name": "search_xyz",
"tooltip": "Search XYZ tile services",
},
"gears": {
"name": "whitebox",
"tooltip": "WhiteboxTools for local geoprocessing",
},
"folder-open": {
"name": "vector",
"tooltip": "Open local vector/raster data",
},
"picture-o": {
"name": "raster",
"tooltip": "Open COG/STAC dataset",
},
"question": {
"name": "help",
"tooltip": "Get help",
},
}
icons = list(tools.keys())
tooltips = [item["tooltip"] for item in list(tools.values())]
icon_width = "32px"
icon_height = "32px"
n_cols = 3
n_rows = math.ceil(len(icons) / n_cols)
toolbar_grid = widgets.GridBox(
children=[
widgets.ToggleButton(
layout=widgets.Layout(
width="auto", height="auto", padding="0px 0px 0px 4px"
),
button_style="primary",
icon=icons[i],
tooltip=tooltips[i],
)
for i in range(len(icons))
],
layout=widgets.Layout(
width="115px",
grid_template_columns=(icon_width + " ") * n_cols,
grid_template_rows=(icon_height + " ") * n_rows,
grid_gap="1px 1px",
padding="5px",
),
)
canvas.toolbar = toolbar_grid
def tool_callback(change):
if change["new"]:
current_tool = change["owner"]
for tool in toolbar_grid.children:
if tool is not current_tool:
tool.value = False
tool = change["owner"]
tool_name = tools[tool.icon]["name"]
canvas.container_widget.children = []
if tool_name == "basemap":
plotly_basemap_gui(canvas)
elif tool_name == "search_xyz":
plotly_search_basemaps(canvas)
elif tool_name == "whitebox":
plotly_whitebox_gui(canvas)
elif tool_name == "vector":
plotly_tool_template(canvas)
elif tool_name == "raster":
plotly_tool_template(canvas)
elif tool_name == "help":
import webbrowser
webbrowser.open_new_tab("https://leafmap.org")
tool.value = False
else:
canvas.container_widget.children = []
map_widget.layout.width = map_max_width
for tool in toolbar_grid.children:
tool.observe(tool_callback, "value")
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="wrench",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
canvas.toolbar_button = toolbar_button
layers_button = widgets.ToggleButton(
value=False,
tooltip="Layers",
icon="server",
layout=widgets.Layout(height="28px", width="72px"),
)
canvas.layers_button = layers_button
toolbar_widget = widgets.VBox(layout=widgets.Layout(overflow="hidden"))
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox(layout=widgets.Layout(overflow="hidden"))
toolbar_header.children = [layers_button, toolbar_button]
toolbar_footer = widgets.VBox(layout=widgets.Layout(overflow="hidden"))
toolbar_footer.children = [toolbar_grid]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
# map_widget.layout.width = "85%"
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
layers_button.value = False
# map_widget.layout.width = map_max_width
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
map_widget.layout.width = map_min_width
if map_refresh:
with map_widget:
map_widget.outputs = ()
display(m)
layers_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
canvas.toolbar_reset()
map_widget.layout.width = map_max_width
if not layers_button.value:
toolbar_widget.children = [toolbar_button]
if map_refresh:
with map_widget:
map_widget.outputs = ()
display(m)
toolbar_button.observe(toolbar_btn_click, "value")
def layers_btn_click(change):
if change["new"]:
layer_names = list(m.get_layers().keys())
layers_hbox = []
all_layers_chk = widgets.Checkbox(
value=True,
description="All layers on/off",
indent=False,
layout=widgets.Layout(height="18px", padding="0px 8px 25px 8px"),
)
all_layers_chk.layout.width = "30ex"
layers_hbox.append(all_layers_chk)
layer_chk_dict = {}
for name in layer_names:
if name in m.get_tile_layers():
index = m.find_layer_index(name)
layer = m.layout.mapbox.layers[index]
elif name in m.get_data_layers():
index = m.find_layer_index(name)
layer = m.data[index]
layer_chk = widgets.Checkbox(
value=layer.visible,
description=name,
indent=False,
layout=widgets.Layout(height="18px"),
)
layer_chk.layout.width = "25ex"
layer_chk_dict[name] = layer_chk
if hasattr(layer, "opacity"):
opacity = layer.opacity
elif hasattr(layer, "marker"):
opacity = layer.marker.opacity
else:
opacity = 1.0
layer_opacity = widgets.FloatSlider(
value=opacity,
description_tooltip=name,
min=0,
max=1,
step=0.01,
readout=False,
layout=widgets.Layout(width="80px"),
)
layer_settings = widgets.ToggleButton(
icon="gear",
tooltip=name,
layout=widgets.Layout(
width="25px", height="25px", padding="0px 0px 0px 5px"
),
)
def layer_chk_change(change):
if change["new"]:
m.set_layer_visibility(change["owner"].description, True)
else:
m.set_layer_visibility(change["owner"].description, False)
layer_chk.observe(layer_chk_change, "value")
def layer_opacity_change(change):
if change["new"]:
m.set_layer_opacity(
change["owner"].description_tooltip, change["new"]
)
layer_opacity.observe(layer_opacity_change, "value")
hbox = widgets.HBox(
[layer_chk, layer_settings, layer_opacity],
layout=widgets.Layout(padding="0px 8px 0px 8px"),
)
layers_hbox.append(hbox)
def all_layers_chk_changed(change):
if change["new"]:
for name in layer_names:
m.set_layer_visibility(name, True)
layer_chk_dict[name].value = True
else:
for name in layer_names:
m.set_layer_visibility(name, False)
layer_chk_dict[name].value = False
all_layers_chk.observe(all_layers_chk_changed, "value")
toolbar_footer.children = layers_hbox
toolbar_button.value = False
else:
toolbar_footer.children = [toolbar_grid]
layers_button.observe(layers_btn_click, "value")
return toolbar_widget
plotly_whitebox_gui(canvas)
¶
Display a GUI for the whitebox tool.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
canvas |
plotlymap.Canvas |
Map canvas. |
required |
Source code in leafmap/toolbar.py
def plotly_whitebox_gui(canvas):
"""Display a GUI for the whitebox tool.
Args:
canvas (plotlymap.Canvas): Map canvas.
"""
import whiteboxgui.whiteboxgui as wbt
container_widget = canvas.container_widget
map_widget = canvas.map_widget
map_width = "25%"
map_widget.layout.width = map_width
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
# style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="gears",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
tools_dict = wbt.get_wbt_dict()
wbt_toolbox = wbt.build_toolbox(
tools_dict,
max_width="800px",
max_height="500px",
sandbox_path=os.getcwd(),
)
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
wbt_toolbox,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
map_widget.layout.width = map_width
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
map_widget.layout.width = canvas.map_max_width
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
map_widget.layout.width = map_width
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
map_widget.layout.width = canvas.map_max_width
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
canvas.toolbar_reset()
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
toolbar_button.value = True
container_widget.children = [toolbar_widget]
save_map(m)
¶
Saves the map as HTML, JPG, or PNG.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leafmap Map object. |
required |
Source code in leafmap/toolbar.py
def save_map(m):
"""Saves the map as HTML, JPG, or PNG.
Args:
m (leafmap.Map): The leafmap Map object.
"""
import time
tool_output = widgets.Output()
m.tool_output = tool_output
tool_output.outputs = ()
save_map_widget = widgets.VBox()
save_type = widgets.ToggleButtons(
options=["HTML", "PNG", "JPG"],
tooltips=[
"Save the map as an HTML file",
"Take a screenshot and save as a PNG file",
"Take a screenshot and save as a JPG file",
],
)
file_chooser = FileChooser(
os.getcwd(), sandbox_path=m.sandbox_path, layout=widgets.Layout(width="454px")
)
file_chooser.default_filename = "my_map.html"
file_chooser.use_dir_icons = True
ok_cancel = widgets.ToggleButtons(
value=None,
options=["OK", "Cancel", "Close"],
tooltips=["OK", "Cancel", "Close"],
button_style="primary",
)
def save_type_changed(change):
ok_cancel.value = None
# file_chooser.reset()
file_chooser.default_path = os.getcwd()
if change["new"] == "HTML":
file_chooser.default_filename = "my_map.html"
elif change["new"] == "PNG":
file_chooser.default_filename = "my_map.png"
elif change["new"] == "JPG":
file_chooser.default_filename = "my_map.jpg"
save_map_widget.children = [save_type, file_chooser]
def chooser_callback(chooser):
save_map_widget.children = [save_type, file_chooser, ok_cancel]
def ok_cancel_clicked(change):
if change["new"] == "OK":
file_path = file_chooser.selected
ext = os.path.splitext(file_path)[1]
if save_type.value == "HTML" and ext.upper() == ".HTML":
tool_output.outputs = ()
m.to_html(file_path)
elif save_type.value == "PNG" and ext.upper() == ".PNG":
tool_output.outputs = ()
m.toolbar_button.value = False
if m.save_map_control is not None:
m.remove_control(m.save_map_control)
m.save_map_control = None
time.sleep(2)
screen_capture(outfile=file_path)
elif save_type.value == "JPG" and ext.upper() == ".JPG":
tool_output.outputs = ()
m.toolbar_button.value = False
if m.save_map_control is not None:
m.remove_control(m.save_map_control)
m.save_map_control = None
time.sleep(2)
screen_capture(outfile=file_path)
else:
label = widgets.Label(
value="The selected file extension does not match the selected exporting type."
)
save_map_widget.children = [save_type, file_chooser, label]
elif change["new"] == "Cancel":
tool_output.outputs = ()
file_chooser.reset()
elif change["new"] == "Close":
if m.save_map_control is not None:
m.remove_control(m.save_map_control)
m.save_map_control = None
ok_cancel.value = None
m.toolbar_reset()
save_type.observe(save_type_changed, names="value")
ok_cancel.observe(ok_cancel_clicked, names="value")
file_chooser.register_callback(chooser_callback)
save_map_widget.children = [save_type, file_chooser]
save_map_control = ipyleaflet.WidgetControl(
widget=save_map_widget, position="topright"
)
m.add(save_map_control)
m.save_map_control = save_map_control
search_basemaps(m)
¶
The widget for search XYZ tile services.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def search_basemaps(m):
"""The widget for search XYZ tile services.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import xyzservices.providers as xyz
from xyzservices import TileProvider
layers = m.layers
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="search",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
checkbox = widgets.Checkbox(
description="Search Quick Map Services (QMS)",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
providers = widgets.Dropdown(
options=[],
value=None,
description="XYZ Tile:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
keyword = widgets.Text(
value="",
description="Search keyword:",
placeholder="OpenStreetMap",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
def search_callback(change):
providers.options = []
if keyword.value != "":
tiles = search_xyz_services(keyword=keyword.value)
if checkbox.value:
tiles = tiles + search_qms(keyword=keyword.value)
providers.options = tiles
keyword.on_submit(search_callback)
buttons = widgets.ToggleButtons(
value=None,
options=["Search", "Reset", "Close"],
tooltips=["Search", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
def providers_change(change):
if change["new"] != "":
provider = change["new"]
if provider is not None:
if provider.startswith("qms"):
with output:
output.outputs = ()
print("Adding data. Please wait...")
name = provider[4:]
qms_provider = TileProvider.from_qms(name)
url = qms_provider.build_url()
attribution = qms_provider.attribution
m.layers = layers
m.add_tile_layer(url, name, attribution)
output.outputs = ()
elif provider.startswith("xyz"):
name = provider[4:]
xyz_provider = xyz.flatten()[name]
url = xyz_provider.build_url()
attribution = xyz_provider.attribution
m.layers = layers
if xyz_provider.requires_token():
with output:
output.outputs = ()
print(f"{provider} requires an API Key.")
m.add_tile_layer(url, name, attribution)
providers.observe(providers_change, "value")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
checkbox,
keyword,
providers,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Search":
providers.options = []
if keyword.value != "":
tiles = search_xyz_services(keyword=keyword.value)
if checkbox.value:
tiles = tiles + search_qms(keyword=keyword.value)
providers.options = tiles
with output:
output.outputs = ()
# print("Running ...")
elif change["new"] == "Reset":
keyword.value = ""
providers.options = []
output.outputs = ()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
search_geojson_gui(m)
¶
Generates a tool GUI template using ipywidgets.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def search_geojson_gui(m):
"""Generates a tool GUI template using ipywidgets.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
if len(m.geojson_layers) > 0:
geojson_layer_group = ipyleaflet.LayerGroup()
for geojson_layer in m.geojson_layers:
geojson_layer_group.add(geojson_layer)
if not hasattr(m, "geojson_layer_group"):
setattr(m, "geojson_layer_group", geojson_layer_group)
else:
m.geojson_layer_group = geojson_layer_group
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="search-plus",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
layer_options = []
if len(m.geojson_layers) > 0:
layer_options = [layer.name for layer in m.geojson_layers]
layers = widgets.Dropdown(
options=layer_options,
value=None,
description="Layer:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
attributes = widgets.Dropdown(
options=[],
value=None,
description="Attribute:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
if len(m.geojson_layers) == 0:
with output:
print("Please add vector data layers to the map before using this tool.")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
layers,
attributes,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def layer_change(change):
if change["new"]:
for layer in m.geojson_layers:
if layer.name == change["new"]:
df = geojson_to_df(layer.data)
attributes.options = list(df.columns)
layers.observe(layer_change, names="value")
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
if len(m.geojson_layers) > 0 and m.search_control is not None:
m.search_control.marker.visible = False
m.remove_control(m.search_control)
m.search_control = None
m.geojson_layer_group.clear_layers()
delattr(m, "geojson_layer_group")
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
if len(m.geojson_layers) > 0 and attributes.value is not None:
if m.search_control is None:
geojson_control = ipyleaflet.SearchControl(
position="topleft",
layer=m.geojson_layer_group,
property_name=attributes.value,
marker=ipyleaflet.Marker(
icon=ipyleaflet.AwesomeIcon(
name="check", marker_color="green", icon_color="darkred"
)
),
)
m.add(geojson_control)
m.search_control = geojson_control
else:
m.search_control.property_name = attributes.value
with output:
output.outputs = ()
elif change["new"] == "Reset":
output.outputs = ()
layers.value = None
attributes.value = None
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
if len(m.geojson_layers) > 0 and m.search_control is not None:
m.search_control.marker.visible = False
m.remove_control(m.search_control)
m.search_control = None
if hasattr(m, "geojson_layer_group"):
m.geojson_layer_group.clear_layers()
delattr(m, "geojson_layer_group")
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
select_table_gui(m=None)
¶
GUI for selecting layers to display attribute table.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
None |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def select_table_gui(m=None):
"""GUI for selecting layers to display attribute table.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import ipysheet
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="table",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
layer_options = []
if len(m.geojson_layers) > 0:
layer_options = [layer.name for layer in m.geojson_layers]
layers = widgets.Dropdown(
options=layer_options,
value=None,
description="Layer:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
if len(m.geojson_layers) == 0:
with output:
print("Please add vector data layers to the map before using this tool.")
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
layers,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
if len(m.geojson_layers) > 0 and layers.value is not None:
if hasattr(m, "table_control"):
m.remove_control(m.table_control)
lyr_index = layers.options.index(layers.value)
data = m.geojson_layers[lyr_index].data
df = geojson_to_df(data)
show_table_gui(m, df)
elif change["new"] == "Reset":
output.outputs = ()
layers.value = None
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
show_table_gui(m, df)
¶
Open the attribute table GUI.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def show_table_gui(m, df):
"""Open the attribute table GUI.
Args:
m (leafmap.Map, optional): The leaflet Map object
Returns:
ipywidgets: The tool GUI widget.
"""
import ipysheet
widget_width = "560px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
# style = {"description_width": "initial"}
sheet = ipysheet.from_dataframe(df.head(10))
output = widgets.Output(
layout=widgets.Layout(
width=widget_width,
padding=padding,
)
)
checkbox = widgets.Checkbox(
description="Show all rows",
indent=False,
layout=widgets.Layout(padding=padding, width="115px"),
)
sheet.layout.width = output.layout.width
def checkbox_clicked(change):
output.outputs = ()
if change["new"]:
sheet = ipysheet.from_dataframe(df)
else:
sheet = ipysheet.from_dataframe(df.head(10))
sheet.layout.max_width = output.layout.width
output.layout.max_height = str(int(m.layout.height[:-2]) - 220) + "px"
sheet.layout.max_height = output.layout.height
if sheet.layout.height > output.layout.max_height:
sheet.layout.height = output.layout.max_height
with output:
display(sheet)
checkbox.observe(checkbox_clicked, "value")
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Minimize window",
icon="window-minimize",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
toolbar_widget = widgets.VBox()
m.table_widget = toolbar_widget
m.table_output = output
reset_btn = widgets.Button(
tooltip="Reset the plot",
icon="home",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 0px"),
)
def reset_btn_clicked(b):
output.layout.width = widget_width
output.layout.max_height = str(int(m.layout.height[:-2]) - 220) + "px"
reset_btn.on_click(reset_btn_clicked)
fullscreen_btn = widgets.Button(
tooltip="Fullscreen the attribute table",
icon="arrows-alt",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 0px"),
)
def fullscreen_btn_clicked(b):
output.layout.width = "1000px"
output.layout.max_height = str(int(m.layout.height[:-2]) - 220) + "px"
sheet.layout.width = output.layout.width
with output:
output.outputs = ()
display(sheet)
fullscreen_btn.on_click(fullscreen_btn_clicked)
width_btn = widgets.Button(
tooltip="Change table width",
icon="arrows-h",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 0px"),
)
height_btn = widgets.Button(
tooltip="Change table height",
icon="arrows-v",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 0px"),
)
width_slider = widgets.IntSlider(
value=560,
min=550,
max=1500,
step=10,
description="",
readout=False,
continuous_update=False,
layout=widgets.Layout(width="100px", padding=padding),
style={"description_width": "initial"},
)
width_slider_label = widgets.Label(
value="560", layout=widgets.Layout(padding="0px 10px 0px 0px")
)
# widgets.jslink((width_slider, "value"), (width_slider_label, "value"))
def width_changed(change):
if change["new"]:
width_slider_label.value = str(width_slider.value)
output.layout.width = str(width_slider.value) + "px"
if checkbox.value:
sheet = ipysheet.from_dataframe(df)
else:
sheet = ipysheet.from_dataframe(df.head(10))
sheet.layout.width = output.layout.width
with output:
output.outputs = ()
display(sheet)
width_slider.observe(width_changed, "value")
height_slider = widgets.IntSlider(
value=250,
min=200,
max=1000,
step=10,
description="",
readout=False,
continuous_update=False,
layout=widgets.Layout(width="100px", padding=padding),
style={"description_width": "initial"},
)
height_slider_label = widgets.Label(value="250")
# widgets.jslink((height_slider, "value"), (height_slider_label, "value"))
def height_changed(change):
if change["new"]:
height_slider_label.value = str(height_slider.value)
output.layout.max_height = str(height_slider.value) + "px"
if checkbox.value:
sheet = ipysheet.from_dataframe(df)
else:
sheet = ipysheet.from_dataframe(df.head(10))
sheet.layout.height = output.layout.max_height
with output:
output.outputs = ()
display(sheet)
height_slider.observe(height_changed, "value")
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [
close_button,
toolbar_button,
reset_btn,
fullscreen_btn,
width_btn,
width_slider,
width_slider_label,
height_btn,
height_slider,
height_slider_label,
checkbox,
]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
toolbar_button.icon = "window-minimize"
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_button.icon = "window-maximize"
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
toolbar_button.icon = "window-minimize"
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.icon = "window-maximize"
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.table_control is not None and m.table_control in m.controls:
m.remove_control(m.table_control)
m.table_control = None
delattr(m, "table_control")
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
with output:
display(sheet)
toolbar_button.value = True
if m is not None:
table_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if table_control not in m.controls:
m.add(table_control)
m.table_control = table_control
else:
return toolbar_widget
split_basemaps(m, layers_dict=None, left_name=None, right_name=None, width='120px', **kwargs)
¶
Create a split-panel map for visualizing two maps.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
ipyleaflet.Map |
An ipyleaflet map object. |
required |
layers_dict |
dict |
A dictionary of TileLayers. Defaults to None. |
None |
left_name |
str |
The default value of the left dropdown list. Defaults to None. |
None |
right_name |
str |
The default value of the right dropdown list. Defaults to None. |
None |
width |
str |
The width of the dropdown list. Defaults to "120px". |
'120px' |
Source code in leafmap/toolbar.py
def split_basemaps(
m,
layers_dict: Optional[Dict] = None,
left_name=None,
right_name=None,
width="120px",
**kwargs,
):
"""Create a split-panel map for visualizing two maps.
Args:
m (ipyleaflet.Map): An ipyleaflet map object.
layers_dict (dict, optional): A dictionary of TileLayers. Defaults to None.
left_name (str, optional): The default value of the left dropdown list. Defaults to None.
right_name (str, optional): The default value of the right dropdown list. Defaults to None.
width (str, optional): The width of the dropdown list. Defaults to "120px".
"""
from .basemaps import wms_tiles
from .leafmap import basemaps, get_basemap
controls = m.controls
layers = m.layers
m.clear_controls()
add_zoom = True
add_fullscreen = True
if layers_dict is None:
keys = []
tmp_keys = list(basemaps.keys())
for key in tmp_keys:
if key not in wms_tiles:
keys.append(key)
else:
keys = list(layers_dict.keys())
if layers_dict is None:
if left_name is None:
left_name = "ROADMAP"
if right_name is None:
right_name = "HYBRID"
else:
if left_name is None:
left_name = keys[0]
if right_name is None:
right_name = keys[-1]
if layers_dict is None:
if isinstance(left_name, str):
left_layer = get_basemap(left_name)
if isinstance(right_name, str):
right_layer = get_basemap(right_name)
else:
left_layer = layers_dict[left_name]
right_layer = layers_dict[right_name]
control = ipyleaflet.SplitMapControl(left_layer=left_layer, right_layer=right_layer)
m.add(control)
m.dragging = False
left_dropdown = widgets.Dropdown(
options=keys, value=left_name, layout=widgets.Layout(width=width)
)
left_control = ipyleaflet.WidgetControl(widget=left_dropdown, position="topleft")
m.add(left_control)
right_dropdown = widgets.Dropdown(
options=keys, value=right_name, layout=widgets.Layout(width=width)
)
right_control = ipyleaflet.WidgetControl(widget=right_dropdown, position="topright")
m.add(right_control)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
# button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
def close_btn_click(change):
if change["new"]:
m.controls = controls
m.clear_layers()
m.layers = layers
close_button.observe(close_btn_click, "value")
close_control = ipyleaflet.WidgetControl(
widget=close_button, position="bottomright"
)
m.add(close_control)
if add_zoom:
m.add(ipyleaflet.ZoomControl())
if add_fullscreen:
m.add(ipyleaflet.FullScreenControl())
m.add(ipyleaflet.ScaleControl(position="bottomleft"))
split_control = None
for ctrl in m.controls:
if isinstance(ctrl, ipyleaflet.SplitMapControl):
split_control = ctrl
break
def left_change(change):
if layers_dict is None:
split_control.left_layer.url = get_basemap(left_dropdown.value).url
else:
split_control.left_layer.url = layers_dict[left_dropdown.value].url
left_dropdown.observe(left_change, "value")
def right_change(change):
if layers_dict is None:
split_control.right_layer.url = get_basemap(right_dropdown.value).url
else:
split_control.right_layer.url = layers_dict[right_dropdown.value].url
right_dropdown.observe(right_change, "value")
stac_custom_gui(m, button_width='85px', **kwargs)
¶
Generates a tool GUI template using ipywidgets.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
button_width |
str |
The button width. Defaults to "85px". |
'85px' |
**kwargs |
Additional keyword arguments that will be passed to the pystac Client.open() function. |
{} |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def stac_custom_gui(m, button_width: Optional[str] = "85px", **kwargs):
"""Generates a tool GUI template using ipywidgets.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
button_width (str, optional): The button width. Defaults to "85px".
**kwargs: Additional keyword arguments that will be passed to the pystac Client.open() function.
Returns:
ipywidgets: The tool GUI widget.
"""
if hasattr(m, "_STAC_CATALOGS") and isinstance(m._STAC_CATALOGS, dict):
catalogs = m._STAC_CATALOGS
else:
raise ValueError("Please set the STAC catalogs first.")
if not hasattr(m, "_STAC_COLLECTIONS"):
m._STAC_COLLECTIONS = {}
if len(catalogs) == 0:
raise ValueError("Please set the STAC catalogs first.")
catalog_ids = list(catalogs.keys())
widget_width = "450px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
MAX_ITEMS = 20
if "MAX_ITEMS" in os.environ:
MAX_ITEMS = int(os.environ["MAX_ITEMS"])
stac_data = []
output = widgets.Output(
layout=widgets.Layout(width=widget_width, padding=padding, overflow="auto")
)
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Discver STAC Catalog",
icon="stack-exchange",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
catalog = widgets.Dropdown(
options=catalog_ids,
value=catalog_ids[0],
description="Catalog:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
endpoint = widgets.Text(
value=catalogs[catalog.value],
description="URL:",
tooltip="STAC Catalog URL",
placeholder="Enter a STAC URL, e.g., https://earth-search.aws.element84.com/v1",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
collection = widgets.Dropdown(
options=[],
value=None,
description="Collection:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
start_date = widgets.DatePicker(
description="Start date:",
disabled=False,
style=style,
layout=widgets.Layout(width="225px", padding=padding),
)
end_date = widgets.DatePicker(
description="End date:",
disabled=False,
style=style,
layout=widgets.Layout(width="225px", padding=padding),
)
band_names = []
item = widgets.Dropdown(
options=[],
description="Item:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
vis_option = widgets.Dropdown(
options=["1 band (Grayscale)", "3 bands (RGB)"],
value="3 bands (RGB)",
description="Visualization:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
layer_name = widgets.Text(
value="STAC Layer",
description="Layer name:",
tooltip="Enter a layer name for the selected file",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
band_width = "149px"
red = widgets.Dropdown(
options=band_names,
value=None,
description="Red:",
tooltip="Select a band for the red channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
green = widgets.Dropdown(
options=band_names,
value=None,
description="Green:",
tooltip="Select a band for the green channel",
style=style,
layout=widgets.Layout(width="148px", padding=padding),
)
blue = widgets.Dropdown(
options=band_names,
value=None,
description="Blue:",
tooltip="Select a band for the blue channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
gray_band = widgets.Dropdown(
options=band_names,
value=None,
description="Band:",
tooltip="Select a band for visualization",
style=style,
layout=widgets.Layout(width="227px", padding=padding),
)
palette_options = list_palettes(lowercase=True)
palette = widgets.Dropdown(
options=palette_options,
value=None,
description="Palette:",
layout=widgets.Layout(width="223px", padding=padding),
style=style,
)
band_box = widgets.HBox([red, green, blue])
def vis_option_changed(change):
if change["new"] == "1 band (Grayscale)":
band_box.children = [gray_band, palette]
else:
band_box.children = [red, green, blue]
vis_option.observe(vis_option_changed, names="value")
max_items = widgets.Text(
value="20",
description="Max items:",
placeholder="Maximum number of items to return from the STAC API",
tooltip="Maximum number of items to return from the STAC API",
style=style,
layout=widgets.Layout(width="130px", padding=padding),
)
vmin = widgets.Text(
value=None,
description="vmin:",
tooltip="Minimum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="100px", padding=padding),
)
vmax = widgets.Text(
value=None,
description="vmax:",
tooltip="Maximum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="100px", padding=padding),
)
nodata = widgets.Text(
value=None,
description="Nodata:",
tooltip="Nodata the raster to visualize",
style=style,
layout=widgets.Layout(width="113px", padding=padding),
)
more_label = widgets.Label(
"More options:",
layout=widgets.Layout(width="100px", padding=padding),
style=style,
)
add_footprints = widgets.Checkbox(
value=True,
description="Add image footprints",
indent=False,
layout=widgets.Layout(width="170px", padding=padding),
style=style,
)
checkbox = widgets.Checkbox(
value=False,
description="Additional params",
indent=False,
layout=widgets.Layout(width="154px", padding=padding),
style=style,
)
query_params_text = "Additional parameters to query the STAC API, for example: {'query': {'eo:cloud_cover':{'lt':10}}}"
query_params = widgets.Textarea(
value="",
placeholder=query_params_text,
layout=widgets.Layout(width="454px", padding=padding),
style=style,
)
add_params_text = "Additional parameters to visualize imagery, for example: {'palette': ['#006633', '#E5FFCC', '#662A00', '#D8D8D8', '#F5F5F5'], 'expression': '(SR_B5-SR_B4)/(SR_B5+SR_B4)'}"
add_params = widgets.Textarea(
value="",
placeholder=add_params_text,
layout=widgets.Layout(width="454px", padding=padding),
style=style,
)
def reset_options():
"""Reset the options to their default values."""
catalog.value = catalog_ids[0]
collection.options = []
collection.value = None
endpoint.value = catalogs[catalog.value]
start_date.value = None
end_date.value = None
item.options = []
item.value = None
layer_name.value = ""
max_items.value = "20"
vmin.value = ""
vmax.value = ""
nodata.value = ""
palette.value = None
add_params.value = ""
reset_bands()
vis_option.value = "3 bands (RGB)"
output.outputs = ()
params_widget = widgets.VBox()
more_options = widgets.VBox()
more_options.children = [
widgets.HBox([more_label, add_footprints, checkbox]),
params_widget,
]
buttons = widgets.ToggleButtons(
value=None,
options=["Collections", "Items", "Display", "Reset", "Close"],
tooltips=["Get Collections", "Get Items", "Display Image", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = button_width
dataset_widget = widgets.VBox()
dataset_widget.children = [endpoint, collection]
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
catalog,
dataset_widget,
widgets.HBox([start_date, end_date]),
item,
vis_option,
band_box,
more_options,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def update_bands():
excluded = [
"index",
"metadata",
"mtl.json",
"mtl.txt",
"mtl.xml",
"qa",
"qa-browse",
"QA",
"rendered_preview",
"tilejson",
"tir-browse",
"vnir-browse",
"xml",
"documentation",
]
if len(stac_data) > 0:
bnames = stac_data[0][item.value]["bands"]
else:
bnames = []
bnames = [b for b in bnames if b not in excluded]
red.options = bnames
green.options = bnames
blue.options = bnames
if len(bnames) >= 3:
vis_option.value = "3 bands (RGB)"
palette.value = None
gray_band.options = bnames
default_bands = set_default_bands(bnames)
try:
red.value = default_bands[0]
green.value = default_bands[1]
blue.value = default_bands[2]
except Exception as e:
red.value = None
green.value = None
blue.value = None
elif len(bnames) >= 1:
vis_option.value = "1 band (Grayscale)"
gray_band.options = bnames
gray_band.value = bnames[0]
red.value = bnames[0]
green.value = bnames[0]
blue.value = bnames[0]
def reset_bands():
red.options = []
green.options = []
blue.options = []
gray_band.options = []
red.value = None
green.value = None
blue.value = None
gray_band.value = None
def catalog_changed(change):
if change["new"]:
endpoint.value = catalogs[catalog.value]
collection.options = []
collection.value = None
item.options = []
item.value = None
if catalog.value in m._STAC_COLLECTIONS:
collection.options = m._STAC_COLLECTIONS[catalog.value]
collection.value = m._STAC_COLLECTIONS[catalog.value][0]
reset_bands()
catalog.observe(catalog_changed, names="value")
def endpoint_changed(change):
with output:
output.outputs = ()
output.clear_output()
print("Retrieving collections...")
try:
if endpoint.value is not None:
collection.options = []
collection.value = None
collections = stac_collections(
endpoint.value, return_ids=True, get_root=False, **kwargs
)
if collections:
collections.sort()
collection.options = collections
collection.value = collections[0]
output.clear_output()
output.outputs = ()
else:
print("No collections found.")
else:
print("No URL provided.")
reset_bands()
except Exception as e:
print(e)
endpoint.on_submit(endpoint_changed)
def collection_changed(change):
if change["new"]:
reset_bands()
item.options = []
item.value = None
collection.observe(collection_changed, names="value")
def item_changed(change):
if change["new"]:
layer_name.value = item.value
item.observe(item_changed, names="value")
def checkbox_changed(change):
if change["new"]:
params_widget.children = [
layer_name,
widgets.HBox([max_items, vmin, vmax, nodata]),
query_params,
add_params,
]
else:
params_widget.children = []
checkbox.observe(checkbox_changed, names="value")
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Collections":
collection.options = []
with output:
output.outputs = ()
print("Retrieving collections...")
try:
if endpoint.value is not None:
if (
endpoint.value == catalogs[catalog.value]
and catalog.value in m._STAC_COLLECTIONS
):
collections = m._STAC_COLLECTIONS[catalog.value]
else:
collections = stac_collections(
endpoint.value, return_ids=True, **kwargs
)
if collections:
collections.sort()
collection.options = collections
collection.value = collections[0]
m._STAC_COLLECTIONS[catalog.value] = collections
output.clear_output()
output.outputs = ()
else:
print("No collections found.")
else:
print("No URL provided.")
except Exception as e:
print(e)
elif change["new"] == "Items":
with output:
output.outputs = ()
if endpoint.value is not None:
if start_date.value is not None and end_date.value is not None:
datetime = str(start_date.value) + "/" + str(end_date.value)
elif start_date.value is not None:
datetime = str(start_date.value) + "/.."
elif end_date.value is not None:
datetime = "../" + str(end_date.value)
else:
datetime = None
if m is not None:
if m.user_roi is not None:
intersects = m.user_roi["geometry"]
else:
intersects = bbox_to_geojson(m.bounds)
else:
intersects = None
if (
checkbox.value
and query_params.value.strip().startswith("{")
and query_params.value.strip().endswith("}")
):
query = eval(query_params.value)
elif query_params.value.strip() == "":
query = {}
else:
print(
"Invalid query parameters. It must be a dictionary with keys such as 'query', 'sortby', 'filter', 'fields'"
)
query = {}
print("Retrieving items...")
try:
if collection.value is None:
output.outputs = ()
print("Please click on 'Collections' to retrieve collections.")
else:
item.options = []
item.value = None
reset_bands()
search = stac_search(
url=endpoint.value,
collections=[collection.value],
max_items=int(max_items.value),
intersects=intersects,
datetime=datetime,
**query,
**kwargs,
)
search_dict = stac_search_to_dict(search)
item.options = list(search_dict.keys())
item.value = list(search_dict.keys())[0]
setattr(m, "stac_search", search)
setattr(m, "stac_dict", search_dict)
setattr(m, "stac_items", stac_search_to_list(search))
if add_footprints.value and m is not None:
gdf = stac_search_to_gdf(search)
style = {
"stroke": True,
"color": "#3388ff",
"weight": 2,
"opacity": 1,
"fill": True,
"fillColor": "#000000",
"fillOpacity": 0,
}
hover_style = {"weight": 4}
m.add_gdf(
gdf,
style=style,
hover_style=hover_style,
layer_name="Footprints",
zoom_to_layer=False,
info_mode="on_click",
)
setattr(m, "stac_gdf", gdf)
stac_data.clear()
stac_data.append(search_dict)
update_bands()
output.clear_output()
output.outputs = ()
except NotImplementedError as e:
print(e)
except Exception as e:
print(e)
elif change["new"] == "Display":
with output:
output.outputs = ()
if item.value and m is not None:
print("Loading data...")
if (
checkbox.value
and add_params.value.strip().startswith("{")
and add_params.value.strip().endswith("}")
):
vis_params = eval(add_params.value)
else:
vis_params = {}
if (
vis_option.value == "1 band (Grayscale)"
and (palette.value is not None)
) or (palette.value and "expression" in vis_params):
vis_params["colormap_name"] = palette.value
elif (
palette.value
and len(set([red.value, green.value, blue.value])) > 1
and "expression" not in vis_params
):
palette.value = None
print("Palette can only be set for single band images.")
if vmax.value and not vmin.value:
vmin.value = "0"
if vmin.value and vmax.value:
vis_params["rescale"] = f"{vmin.value},{vmax.value}"
if nodata.value:
vis_params["nodata"] = nodata.value
if vis_option.value == "1 band (Grayscale)":
assets = gray_band.value
else:
assets = f"{red.value},{green.value},{blue.value}"
try:
if "Planetary Computer" in catalog.value:
output.outputs = ()
m.add_stac_layer(
collection=collection.value,
item=item.value,
assets=assets,
name=layer_name.value,
fit_bounds=False,
**vis_params,
)
setattr(
m,
"stac_item",
m.stac_dict[item.value],
)
m.stac_item["collection"] = collection.value
else:
output.outputs = ()
m.add_stac_layer(
url=stac_data[0][item.value]["href"],
assets=assets,
name=layer_name.value,
fit_bounds=False,
**vis_params,
)
setattr(m, "stac_item", m.stac_dict[item.value])
if "rescale" in m.layers[-1].url:
output.outputs = ()
output.clear_output()
except Exception as e:
print(e)
else:
print("Please click on 'Items' to retrieve items.")
buttons.value = None
elif change["new"] == "Reset":
reset_options()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = True
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
stac_gui(m, position='topright', opened=True, **kwargs)
¶
Generates a tool GUI template using ipywidgets.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def stac_gui(
m,
position: Optional[str] = "topright",
opened: Optional[bool] = True,
**kwargs,
):
"""Generates a tool GUI template using ipywidgets.
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
Returns:
ipywidgets: The tool GUI widget.
"""
import pandas as pd
if os.environ.get("STAC_CATALOGS") is not None:
try:
source = eval(os.environ.get("STAC_CATALOGS"))
m.set_catalog_source(source)
except Exception as e:
print(e)
print("Invalid STAC_CATALOGS environment variable.")
if hasattr(m, "_STAC_CATALOGS"):
stac_custom_gui(m, **kwargs)
return
widget_width = "450px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
MAX_ITEMS = 20
if "MAX_ITEMS" in os.environ:
MAX_ITEMS = int(os.environ["MAX_ITEMS"])
catalog_path = download_data_catalogs()
aws_open_data_path = os.path.join(catalog_path, "aws_stac_catalogs.tsv")
gee_path = os.path.join(catalog_path, "gee_catalog.tsv")
pc_path = os.path.join(catalog_path, "pc_catalog.tsv")
nasa_path = os.path.join(catalog_path, "nasa_cmr_catalog.tsv")
stac_index_path = os.path.join(catalog_path, "stac_catalogs.tsv")
stac_data = []
stac_info = {
"AWS Open Data": {
"filename": aws_open_data_path,
"name": "Name",
"url": "Endpoint",
"description": "Description",
},
"Google Earth Engine": {
"filename": gee_path,
"name": "id",
"url": "url",
"description": "title",
},
"Microsoft Planetary Computer": {
"filename": pc_path,
"name": "title",
"url": "link",
"description": "description",
},
"NASA Common Metadata Repository": {
"filename": nasa_path,
"name": "id",
"url": "url",
"description": "title",
},
"STAC Index Catalogs": {
"filename": stac_index_path,
"name": "title",
"url": "url",
"description": "summary",
},
"Custom STAC API Endpoint": {
"filename": "",
"name": "",
"url": "",
"description": "",
},
}
connections = list(stac_info.keys())
output = widgets.Output(
layout=widgets.Layout(width=widget_width, padding=padding, overflow="auto")
)
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Discver STAC Catalog",
icon="stack-exchange",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
connection = widgets.Dropdown(
options=connections,
value="AWS Open Data",
description="Catalog:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
df = pd.read_csv(stac_info[connection.value]["filename"], sep="\t")
datasets = df[stac_info[connection.value]["name"]].tolist()
dataset = widgets.Dropdown(
options=datasets,
value="Sentinel-2 Cloud-Optimized GeoTIFFs",
description="Dataset:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
description = widgets.Text(
value="Sentinel-2 Level 2A scenes and metadata",
description="Description:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
http_url = widgets.Text(
value="https://earth-search.aws.element84.com/v1/collections/sentinel-2-l2a",
description="URL:",
tooltip="STAC Catalog URL",
placeholder="Enter a STAC URL, e.g., https://earth-search.aws.element84.com/v1",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
custom_dataset = widgets.Dropdown(
options=[],
value=None,
description="Dataset:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
start_date = widgets.DatePicker(
description="Start date:",
disabled=False,
style=style,
layout=widgets.Layout(width="225px", padding=padding),
)
end_date = widgets.DatePicker(
description="End date:",
disabled=False,
style=style,
layout=widgets.Layout(width="225px", padding=padding),
)
collection = widgets.Dropdown(
options=[],
value=None,
description="Collection:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
band_names = ["red", "green", "blue"]
item = widgets.Dropdown(
options=[],
description="Item:",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
layer_name = widgets.Text(
value="STAC Layer",
description="Layer name:",
tooltip="Enter a layer name for the selected file",
style=style,
layout=widgets.Layout(width="454px", padding=padding),
)
band_width = "149px"
red = widgets.Dropdown(
options=band_names,
value="red",
description="Red:",
tooltip="Select a band for the red channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
green = widgets.Dropdown(
options=band_names,
value="green",
description="Green:",
tooltip="Select a band for the green channel",
style=style,
layout=widgets.Layout(width="148px", padding=padding),
)
blue = widgets.Dropdown(
options=band_names,
value="blue",
description="Blue:",
tooltip="Select a band for the blue channel",
style=style,
layout=widgets.Layout(width=band_width, padding=padding),
)
max_items = widgets.Text(
value="20",
description="Max items:",
placeholder="Maximum number of items to return from the STAC API",
tooltip="Maximum number of items to return from the STAC API",
style=style,
layout=widgets.Layout(width="130px", padding=padding),
)
vmin = widgets.Text(
value=None,
description="vmin:",
tooltip="Minimum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="100px", padding=padding),
)
vmax = widgets.Text(
value=None,
description="vmax:",
tooltip="Maximum value of the raster to visualize",
style=style,
layout=widgets.Layout(width="100px", padding=padding),
)
nodata = widgets.Text(
value=None,
description="Nodata:",
tooltip="Nodata the raster to visualize",
style=style,
layout=widgets.Layout(width="113px", padding=padding),
)
palette_options = list_palettes(lowercase=True)
palette = widgets.Dropdown(
options=palette_options,
value=None,
description="palette:",
layout=widgets.Layout(width="180px", padding=padding),
style=style,
)
add_footprints = widgets.Checkbox(
value=True,
description="Add footprints",
indent=False,
layout=widgets.Layout(width="120px", padding=padding),
style=style,
)
checkbox = widgets.Checkbox(
value=False,
description="Additional params",
indent=False,
layout=widgets.Layout(width="154px", padding=padding),
style=style,
)
query_params_text = "Additional parameters to query the STAC API, for example: {'query': {'eo:cloud_cover':{'lt':10}}}"
query_params = widgets.Textarea(
value="",
placeholder=query_params_text,
layout=widgets.Layout(width="454px", padding=padding),
style=style,
)
add_params_text = "Additional parameters to visualize imagery, for example: {'palette': ['#006633', '#E5FFCC', '#662A00', '#D8D8D8', '#F5F5F5'], 'expression': '(SR_B5-SR_B4)/(SR_B5+SR_B4)'}"
add_params = widgets.Textarea(
value="",
placeholder=add_params_text,
layout=widgets.Layout(width="454px", padding=padding),
style=style,
)
def reset_options(reset_url=True):
"""Reset the options to their default values."""
connection.value = "AWS Open Data"
dataset.options = datasets
dataset.value = "Sentinel-2 Cloud-Optimized GeoTIFFs"
http_url.value = (
"https://earth-search.aws.element84.com/v1/collections/sentinel-2-l2a"
)
start_date.value = None
end_date.value = None
item.options = []
item.value = None
layer_name.value = ""
red.options = ["red", "green", "blue"]
green.options = ["red", "green", "blue"]
blue.options = ["red", "green", "blue"]
red.value = "red"
green.value = "green"
blue.value = "blue"
max_items.value = "20"
vmin.value = ""
vmax.value = ""
nodata.value = ""
palette.value = None
add_params.value = ""
output.outputs = ()
params_widget = widgets.VBox()
raster_options = widgets.VBox()
raster_options.children = [
widgets.HBox([red, green, blue]),
widgets.HBox([palette, add_footprints, checkbox]),
params_widget,
]
buttons = widgets.ToggleButtons(
value=None,
options=["Search", "Display", "Reset", "Close"],
tooltips=["Get Items", "Display Image", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "65px"
dataset_widget = widgets.VBox()
dataset_widget.children = [
dataset,
description,
http_url,
]
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
connection,
dataset_widget,
widgets.HBox([start_date, end_date]),
item,
raster_options,
buttons,
output,
]
toolbar_event = ipyevents.Event(
source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
)
def update_bands():
if len(stac_data) > 0:
bnames = stac_data[0][item.value]["bands"]
else:
bnames = []
red.options = bnames
green.options = bnames
blue.options = bnames
default_bands = set_default_bands(bnames)
try:
red.value = default_bands[0]
green.value = default_bands[1]
blue.value = default_bands[2]
except Exception as e:
red.value = None
green.value = None
blue.value = None
def connection_changed(change):
if change["new"]:
if connection.value != "Custom STAC API Endpoint":
df = pd.read_csv(stac_info[connection.value]["filename"], sep="\t")
datasets = df[stac_info[connection.value]["name"]].tolist()
dataset.options = datasets
dataset.value = datasets[0]
dataset_widget.children = [dataset, description, http_url]
else:
http_url.value = "https://earth-search.aws.element84.com/v1"
dataset_widget.children = [http_url, custom_dataset]
with output:
print("Enter a STAC API endpoint and press Enter to list datasets")
connection.observe(connection_changed, names="value")
def dataset_changed(change):
if change["new"]:
if connection.value != "Custom STAC API Endpoint":
df = pd.read_csv(stac_info[connection.value]["filename"], sep="\t")
df = df[df[stac_info[connection.value]["name"]] == dataset.value]
description.value = df[
stac_info[connection.value]["description"]
].tolist()[0]
http_url.value = df[stac_info[connection.value]["url"]].tolist()[0]
item.options = []
custom_dataset.options = []
stac_data.clear()
update_bands()
dataset.observe(dataset_changed, names="value")
def http_url_changed(change):
with output:
output.outputs = ()
print("Searching...")
try:
if connection.value == "Custom STAC API Endpoint":
custom_collections = stac_collections(
http_url.value, return_ids=True
)
if custom_collections:
custom_dataset.options = custom_collections
collection_id = http_url.value.split("/")[-1]
if collection_id in custom_collections:
custom_dataset.value = collection_id
else:
custom_dataset.options = []
else:
custom_cols = stac_collections(http_url.value, return_ids=True)
item.options = custom_cols
stac_data.clear()
update_bands()
output.outputs = ()
except Exception as e:
print(e)
http_url.on_submit(http_url_changed)
def item_changed(change):
if change["new"]:
layer_name.value = item.value
with output:
update_bands()
if dataset.value == "Sentinel-2 Cloud-Optimized GeoTIFFs":
vmin.value = "0"
vmax.value = "3000"
else:
vmin.value = ""
vmax.value = ""
item.observe(item_changed, names="value")
def checkbox_changed(change):
if change["new"]:
params_widget.children = [
layer_name,
widgets.HBox([max_items, vmin, vmax, nodata]),
query_params,
add_params,
]
else:
params_widget.children = []
checkbox.observe(checkbox_changed, names="value")
def handle_toolbar_event(event):
if event["type"] == "mouseenter":
toolbar_widget.children = [toolbar_header, toolbar_footer]
elif event["type"] == "mouseleave":
if not toolbar_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.value = False
close_button.value = False
toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Search":
with output:
output.outputs = ()
if http_url.value is not None:
if start_date.value is not None and end_date.value is not None:
datetime = str(start_date.value) + "/" + str(end_date.value)
elif start_date.value is not None:
datetime = str(start_date.value) + "/.."
elif end_date.value is not None:
datetime = "../" + str(end_date.value)
else:
datetime = None
if m is not None:
if m.user_roi is not None:
intersects = m.user_roi["geometry"]
else:
intersects = bbox_to_geojson(m.bounds)
else:
intersects = None
if (
checkbox.value
and query_params.value.strip().startswith("{")
and query_params.value.strip().endswith("}")
):
query = eval(query_params.value)
elif query_params.value.strip() == "":
query = {}
else:
print(
"Invalid query parameters. It must be a dictionary with keys such as 'query', 'sortby', 'filter', 'fields'"
)
query = {}
print("Retrieving items...")
try:
if connection.value in [
"Google Earth Engine",
"NASA Common Metadata Repository",
]:
output.outputs = ()
print(f"{connection.value} is not supported yet.")
else:
if connection.value == "Custom STAC API Endpoint":
search = stac_search(
url=http_url.value,
max_items=int(max_items.value),
intersects=intersects,
datetime=datetime,
collections=custom_dataset.value,
**query,
)
else:
search = stac_search(
url=http_url.value,
max_items=int(max_items.value),
intersects=intersects,
datetime=datetime,
**query,
)
search_dict = stac_search_to_dict(search)
item.options = list(search_dict.keys())
setattr(m, "stac_search", search)
setattr(m, "stac_dict", search_dict)
setattr(m, "stac_items", stac_search_to_list(search))
if add_footprints.value and m is not None:
gdf = stac_search_to_gdf(search)
style = {
"stroke": True,
"color": "#000000",
"weight": 2,
"opacity": 1,
"fill": True,
"fillColor": "#000000",
"fillOpacity": 0,
}
hover_style = {"fillOpacity": 0.3}
m.add_gdf(
gdf,
style=style,
hover_style=hover_style,
layer_name="Footprints",
zoom_to_layer=False,
)
setattr(m, "stac_gdf", gdf)
stac_data.clear()
stac_data.append(search_dict)
update_bands()
output.outputs = ()
except NotImplementedError as e:
print(e)
except Exception as e:
print(e)
elif change["new"] == "Display":
with output:
output.outputs = ()
if item.value and m is not None:
print("Loading data...")
if (
checkbox.value
and add_params.value.strip().startswith("{")
and add_params.value.strip().endswith("}")
):
vis_params = eval(add_params.value)
else:
vis_params = {}
if (
palette.value
and len(set([red.value, green.value, blue.value])) == 1
) or (palette.value and "expression" in vis_params):
vis_params["colormap_name"] = palette.value
elif (
palette.value
and len(set([red.value, green.value, blue.value])) > 1
and "expression" not in vis_params
):
palette.value = None
print("Palette can only be set for single band images.")
if vmin.value and vmax.value:
vis_params["rescale"] = f"{vmin.value},{vmax.value}"
if nodata.value:
vis_params["nodata"] = nodata.value
if len(set([red.value, green.value, blue.value])) == 1:
assets = red.value
else:
assets = f"{red.value},{green.value},{blue.value}"
try:
if connection.value == "Microsoft Planetary Computer":
m.add_stac_layer(
collection=http_url.value.split("/")[-1],
item=item.value,
assets=assets,
name=layer_name.value,
fit_bounds=False,
**vis_params,
)
setattr(
m,
"stac_item",
m.stac_dict[item.value],
)
m.stac_item["collection"] = http_url.value.split("/")[-1]
else:
m.add_stac_layer(
url=stac_data[0][item.value]["href"],
item=item.value,
assets=assets,
name=layer_name.value,
fit_bounds=False,
**vis_params,
)
setattr(m, "stac_item", m.stac_dict[item.value])
output.outputs = ()
except Exception as e:
print(e)
else:
print("Please click on the search button first.")
buttons.value = None
elif change["new"] == "Reset":
reset_options()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position=position
)
if toolbar_control not in m.controls:
m.add(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
time_slider(m, layers=None, labels=None, time_interval=1, position='bottomright', slider_length='150px', zoom_to_layer=False, **kwargs)
¶
Adds a time slider to the map.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
layers |
dict |
The dictionary containing a set of XYZ tile layers. |
None |
labels |
list |
The list of labels to be used for the time series. Defaults to None. |
None |
time_interval |
int |
Time interval in seconds. Defaults to 1. |
1 |
position |
str |
Position to place the time slider, can be any of ['topleft', 'topright', 'bottomleft', 'bottomright']. Defaults to "bottomright". |
'bottomright' |
slider_length |
str |
Length of the time slider. Defaults to "150px". |
'150px' |
zoom_to_layer |
bool |
Whether to zoom to the extent of the layer. Defaults to False. |
False |
Source code in leafmap/toolbar.py
def time_slider(
m,
layers: Optional[Union[Dict, List, str]] = None,
labels: Optional[List] = None,
time_interval: Optional[int] = 1,
position: Optional[str] = "bottomright",
slider_length: Optional[str] = "150px",
zoom_to_layer: Optional[bool] = False,
**kwargs,
):
"""Adds a time slider to the map.
Args:
layers (dict, optional): The dictionary containing a set of XYZ tile layers.
labels (list, optional): The list of labels to be used for the time series. Defaults to None.
time_interval (int, optional): Time interval in seconds. Defaults to 1.
position (str, optional): Position to place the time slider, can be any of ['topleft', 'topright', 'bottomleft', 'bottomright']. Defaults to "bottomright".
slider_length (str, optional): Length of the time slider. Defaults to "150px".
zoom_to_layer (bool, optional): Whether to zoom to the extent of the layer. Defaults to False.
"""
import time
import threading
bounds = None
if isinstance(layers, str):
layers = find_files(layers, ext="*.tif", recursive=False)
if isinstance(layers, list):
if zoom_to_layer:
layer0 = layers[0]
_, tile_client = get_local_tile_layer(
layer0,
return_client=True,
)
bounds = tile_client.bounds() # [ymin, ymax, xmin, xmax]
bounds = (
bounds[2],
bounds[0],
bounds[3],
bounds[1],
) # [minx, miny, maxx, maxy]
m.zoom_to_bounds(bounds)
layers = images_to_tiles(layers, names=labels, **kwargs)
if not isinstance(layers, dict):
raise TypeError("The layers must be a dictionary.")
if len(layers) == 0:
layers = planet_monthly_tiles()
if labels is None:
labels = list(layers.keys())
if len(labels) != len(layers):
raise ValueError("The length of labels is not equal to that of layers.")
slider = widgets.IntSlider(
min=1,
max=len(labels),
readout=False,
continuous_update=False,
layout=widgets.Layout(width=slider_length),
)
label = widgets.Label(
value=labels[0], layout=widgets.Layout(padding="0px 5px 0px 5px")
)
play_btn = widgets.Button(
icon="play",
tooltip="Play the time slider",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
pause_btn = widgets.Button(
icon="pause",
tooltip="Pause the time slider",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
close_btn = widgets.Button(
icon="times",
tooltip="Close the time slider",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
play_chk = widgets.Checkbox(value=False)
slider_widget = widgets.HBox([label, slider, play_btn, pause_btn, close_btn])
def play_click(b):
play_chk.value = True
def work(slider):
while play_chk.value:
if slider.value < len(labels):
slider.value += 1
else:
slider.value = 1
time.sleep(time_interval)
thread = threading.Thread(target=work, args=(slider,))
thread.start()
def pause_click(b):
play_chk.value = False
play_btn.on_click(play_click)
pause_btn.on_click(pause_click)
keys = list(layers.keys())
layer = layers[keys[0]]
m.add(layer)
def slider_changed(change):
m.default_style = {"cursor": "wait"}
index = slider.value - 1
label.value = labels[index]
layer.url = layers[label.value].url
layer.name = layers[label.value].name
m.default_style = {"cursor": "default"}
slider.observe(slider_changed, "value")
def close_click(b):
play_chk.value = False
m.toolbar_reset()
if m.slider_ctrl is not None and m.slider_ctrl in m.controls:
m.remove_control(m.slider_ctrl)
slider_widget.close()
close_btn.on_click(close_click)
slider_ctrl = ipyleaflet.WidgetControl(widget=slider_widget, position=position)
m.add(slider_ctrl)
m.slider_ctrl = slider_ctrl
tool_header_template(m, opened=True)
¶
Create a toolbar widget.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
geemap.Map |
The geemap.Map instance. Defaults to None. |
required |
opened |
bool |
Whether to open the toolbar. Defaults to True. |
True |
Source code in leafmap/toolbar.py
def tool_header_template(m, opened: Optional[bool] = True):
"""Create a toolbar widget.
Args:
m (geemap.Map, optional): The geemap.Map instance. Defaults to None.
opened (bool, optional): Whether to open the toolbar. Defaults to True.
"""
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="gear",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
buttons,
output,
]
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
with output:
output.outputs = ()
print("Running ...")
elif change["new"] == "Reset":
output.outputs = ()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add_control(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget
tool_template(m, opened=True)
¶
Generates a tool GUI template using ipywidgets. Icons can be found at https://fontawesome.com/v4/icons
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
leafmap.Map |
The leaflet Map object. Defaults to None. |
required |
opened |
bool |
Whether to open the toolbar. Defaults to True. |
True |
Returns:
| Type | Description |
|---|---|
ipywidgets |
The tool GUI widget. |
Source code in leafmap/toolbar.py
def tool_template(m, opened: Optional[bool] = True):
"""Generates a tool GUI template using ipywidgets. Icons can be found at https://fontawesome.com/v4/icons
Args:
m (leafmap.Map, optional): The leaflet Map object. Defaults to None.
opened (bool, optional): Whether to open the toolbar. Defaults to True.
Returns:
ipywidgets: The tool GUI widget.
"""
widget_width = "250px"
padding = "0px 0px 0px 5px" # upper, right, bottom, left
style = {"description_width": "initial"}
toolbar_button = widgets.ToggleButton(
value=False,
tooltip="Toolbar",
icon="gear",
layout=widgets.Layout(width="28px", height="28px", padding="0px 0px 0px 4px"),
)
close_button = widgets.ToggleButton(
value=False,
tooltip="Close the tool",
icon="times",
button_style="primary",
layout=widgets.Layout(height="28px", width="28px", padding="0px 0px 0px 4px"),
)
checkbox = widgets.Checkbox(
description="Checkbox",
indent=False,
layout=widgets.Layout(padding=padding, width=widget_width),
)
dropdown = widgets.Dropdown(
options=["Option 1", "Option 2", "Option 3"],
value=None,
description="Dropdown:",
layout=widgets.Layout(width=widget_width, padding=padding),
style=style,
)
int_slider = widgets.IntSlider(
min=1,
max=100,
description="Int Slider: ",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="220px", padding=padding),
style=style,
)
int_slider_label = widgets.Label(str(int_slider.value))
def update_int_slider(change):
int_slider_label.value = str(change["new"])
int_slider.observe(update_int_slider, "value")
float_slider = widgets.FloatSlider(
min=1,
max=100,
description="Float Slider: ",
readout=False,
continuous_update=True,
layout=widgets.Layout(width="210px", padding=padding),
style=style,
)
float_slider_label = widgets.Label(str(float_slider.value))
def update_float_slider(change):
float_slider_label.value = str(change["new"])
float_slider.observe(update_float_slider, "value")
color = widgets.ColorPicker(
concise=False,
description="Color:",
value="white",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
text = widgets.Text(
value="",
description="Textbox:",
placeholder="Placeholder",
style=style,
layout=widgets.Layout(width=widget_width, padding=padding),
)
textarea = widgets.Textarea(
placeholder="Placeholder",
layout=widgets.Layout(width=widget_width, padding=padding),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
buttons.style.button_width = "80px"
output = widgets.Output(layout=widgets.Layout(width=widget_width, padding=padding))
toolbar_widget = widgets.VBox()
toolbar_widget.children = [toolbar_button]
toolbar_header = widgets.HBox()
toolbar_header.children = [close_button, toolbar_button]
toolbar_footer = widgets.VBox()
toolbar_footer.children = [
checkbox,
widgets.HBox([int_slider, int_slider_label]),
widgets.HBox([float_slider, float_slider_label]),
dropdown,
text,
color,
textarea,
buttons,
output,
]
# toolbar_event = ipyevents.Event(
# source=toolbar_widget, watched_events=["mouseenter", "mouseleave"]
# )
# def handle_toolbar_event(event):
# if event["type"] == "mouseenter":
# toolbar_widget.children = [toolbar_header, toolbar_footer]
# elif event["type"] == "mouseleave":
# if not toolbar_button.value:
# toolbar_widget.children = [toolbar_button]
# toolbar_button.value = False
# close_button.value = False
# toolbar_event.on_dom_event(handle_toolbar_event)
def toolbar_btn_click(change):
if change["new"]:
close_button.value = False
toolbar_widget.children = [toolbar_header, toolbar_footer]
else:
if not close_button.value:
toolbar_widget.children = [toolbar_button]
toolbar_button.observe(toolbar_btn_click, "value")
def close_btn_click(change):
if change["new"]:
toolbar_button.value = False
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
close_button.observe(close_btn_click, "value")
def button_clicked(change):
if change["new"] == "Apply":
with output:
output.outputs = ()
print("Running ...")
elif change["new"] == "Reset":
textarea.value = ""
output.outputs = ()
elif change["new"] == "Close":
if m is not None:
m.toolbar_reset()
if m.tool_control is not None and m.tool_control in m.controls:
m.remove_control(m.tool_control)
m.tool_control = None
toolbar_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
toolbar_button.value = opened
if m is not None:
toolbar_control = ipyleaflet.WidgetControl(
widget=toolbar_widget, position="topright"
)
if toolbar_control not in m.controls:
m.add_control(toolbar_control)
m.tool_control = toolbar_control
else:
return toolbar_widget