I have a georeferenced image (attached) that I want to classify into a raster, where raster values correspond to the colours in the image.
Low (green) = 1 Medium (yellow) = 2 High (red) = 3 All other colours = 0
How can I do this in QGIS?
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1reclassify by table (via Raster Analysis in processing toolbox) fivequestionz.home.blog/2020/02/08/…– Mapperz ♦Oct 26, 2022 at 15:50
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1Do it manually by creating a vector layer and draw: qgistutorials.com/en/docs/3/digitizing_basics.html– BERAOct 26, 2022 at 16:51
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