I want to create a color legend on mapserver. It is working but now I have to group several classes together like a heading with a group of color in it and so on. I have 10 such groups of classes. I ...
I'm serving a NDVI coverage via Mapserver. So, one band, float32 values, [-1.0, 1.0]. I want to display the NDVI in greyscale, and generate a legend. I've tried 2 things: Create two dummy classes, ...