Concavity and convexity maps are the 2 parts of a curvature map. If you take a Curvature map from SD, the range from 0 to 127 would be a concavity map, and the range from 128 to 255 would be the convexity. I mainly use curvature for what you described: any sort of wear and tear, edge highlights, chipped paint, that kind of…