07 colorbar

Adding custom colorbars to the map

Uncomment the following line to install leafmap if needed.

In [1]:

# !pip install leafmap

# !pip install leafmap

Continuous colorbar

In [2]:

import leafmap

import leafmap

Add a WMS layer to the map

In [3]:

Map = leafmap.Map()

url = "https://elevation.nationalmap.gov/arcgis/services/3DEPElevation/ImageServer/WMSServer?"
Map.add_wms_layer(
    url,
    layers="3DEPElevation:Hillshade Elevation Tinted",
    name="USGS 3DEP Elevation",
    format="image/png",
    transparent=True,
)

Map = leafmap.Map() url = "https://elevation.nationalmap.gov/arcgis/services/3DEPElevation/ImageServer/WMSServer?" Map.add_wms_layer( url, layers="3DEPElevation:Hillshade Elevation Tinted", name="USGS 3DEP Elevation", format="image/png", transparent=True, )

Add a continuous colorbar with a custom palette to the map.

In [4]:

colors = ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"]
vmin = 0
vmax = 4000

Map.add_colorbar(colors=colors, vmin=vmin, vmax=vmax)

Map

colors = ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"] vmin = 0 vmax = 4000 Map.add_colorbar(colors=colors, vmin=vmin, vmax=vmax) Map

Out[4]:

Categorical colorbar

Add a WMS layer to the map

In [5]:

Map = leafmap.Map()

url = "https://elevation.nationalmap.gov/arcgis/services/3DEPElevation/ImageServer/WMSServer?"
Map.add_wms_layer(
    url,
    layers="3DEPElevation:Hillshade Elevation Tinted",
    name="USGS 3DEP Elevation",
    format="image/png",
    transparent=True,
)

Map = leafmap.Map() url = "https://elevation.nationalmap.gov/arcgis/services/3DEPElevation/ImageServer/WMSServer?" Map.add_wms_layer( url, layers="3DEPElevation:Hillshade Elevation Tinted", name="USGS 3DEP Elevation", format="image/png", transparent=True, )

Add a categorical colorbar with a custom palette to the map.

In [6]:

colors = ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"]
vmin = 0
vmax = 4000

Map.add_colorbar(colors=colors, vmin=vmin, vmax=vmax, categorical=True, step=4)
Map

colors = ["006633", "E5FFCC", "662A00", "D8D8D8", "F5F5F5"] vmin = 0 vmax = 4000 Map.add_colorbar(colors=colors, vmin=vmin, vmax=vmax, categorical=True, step=4) Map

Out[6]: