Creating colormaps with a single line of code
Uncomment the following line to install leafmap if needed.
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# !pip install leafmap
This notebook requires the ipyleaflet plotting backend. Folium is not supported.
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from leafmap import leafmap
import leafmap.colormaps as cm
Color palette for DEM data.
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cm.palettes.dem
Show the DEM palette.
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cm.plot_colormap(colors=cm.palettes.dem, axis_off=True)
Color palette for NDVI data.
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cm.palettes.ndvi
Show the NDVI palette.
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cm.plot_colormap(colors=cm.palettes.ndvi)
Specify the number of classes for a palette.
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cm.get_palette("terrain", n_class=8)
Show the terrain palette with 8 classes.
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cm.plot_colormap(colors=cm.get_palette("terrain", n_class=8))
Create a palette with custom colors, label, and font size.
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cm.plot_colormap(colors=["red", "green", "blue"], label="Temperature", font_size=12)
Create a discrete color palette.
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cm.plot_colormap(
colors=["red", "green", "blue"], discrete=True, label="Temperature", font_size=12
)
Specify the width and height for the palette.
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cm.plot_colormap(
"terrain",
label="Elevation",
width=8.0,
height=0.4,
orientation="horizontal",
vmin=0,
vmax=1000,
)
Change the orentation of the colormap to be vertical.
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cm.plot_colormap(
"terrain",
label="Elevation",
width=0.4,
height=4,
orientation="vertical",
vmin=0,
vmax=1000,
)
Add a horizontal colorbar to an interactive map.
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m = leafmap.Map()
m.add_basemap("OpenTopoMap")
m.add_colormap(
"terrain",
label="Elevation",
width=8.0,
height=0.4,
orientation="horizontal",
vmin=0,
vmax=4000,
)
m
Add a vertical colorbar to an interactive map.
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m = leafmap.Map()
m.add_basemap("OpenTopoMap")
m.add_colormap(
"terrain",
label="Elevation",
width=0.4,
height=4,
orientation="vertical",
vmin=0,
vmax=4000,
)
m
Show all available colormaps.
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cm.plot_colormaps(width=12, height=0.4)