Raster masking

[fedj99]

Library

• Add masking variable in Blackmarble dataset → Implement function for getting data from blackmarble with a data source and a mask source variable, as well as a threshold value

API

• Provide options in the Blackmarble API endpoint for a data and mask variable, as well as threshold value.
• Make sure rasters are efficiently cached (e.g. use Zarr for whole dataset and generate raster on-the-fly with provided data/mask variables and threshold value)

UI

• Add additional optional mask selection dropdown in chart configuration
• Add threshold value slider
• Fetch masked raster from API