- slope (black and white grid with slope values)
- rasterized property (red, values do not matter)
I found this thread
and they suggested something like this (for my case block is the red raster and buff is the slope)
this produces the output in the multi colors. But it is not the full erase, part of the buff/slope is missing
I do not want to go the vector conversion route.
Answer needs to use Raster Calculator syntax