is there any way to have a color palette with a single RGB color and varying alpha value depending on the bin content?
So far, I have only seen solutions for having a fixed transparency value for a color palette with varying RGB value. But as shown in the OpenGL grad2 tutorial, it is also possible to have a gradient fill with changing alpha value. Can this somehow be translated to a color palette for drawing a TH2 with COLZ option?
Cheers,
Christian
ROOT Version 6.12/06 or 6.13/02:
Ubuntu 16.04, gcc5.4: