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42 create cog

image image image

Uncomment the following line to install leafmap if needed.

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# !pip install leafmap

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import leafmap

Provide a dataset path or URL.

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url = "https://opengeos.org/data/raster/srtm90.tif"

Validate COG.

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leafmap.cog_validate(url)

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leafmap.cog_validate(url, verbose=True)

Convert the image to tiled COG.

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out_cog = "cog.tif"
leafmap.image_to_cog(url, out_cog)

Validate COG.

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leafmap.cog_validate(out_cog)

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leafmap.cog_validate(out_cog, verbose=True)

Add COG to map.

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m = leafmap.Map()
m.add_raster(out_cog, palette="terrain", layer_name="Local COG")
m.add_cog_layer(url, palette="gist_earth", name="Remote COG")
m