developmentseed / developmentseed/async-geotiff
How to handle alpha/nodata in colormap
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- Dominant language
- Python
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Description
In #48 we added a colormap abstraction.
How should we handle alpha?
In rasterio, the `colormap` method gives an RGBA dictionary, and the alpha of the nodata value is set to 0 instead of 255.
For our colormap we do that for the `as_rasterio`, but not for `as_dict` or `as_array`.
It would be great to have some more discussion about what the best API is here.
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