The tool is not very complex, but it is good at what it does.
Njob is a free and simple little tool to quickly generate normal maps from regular textures/images. Therefor the height Normal map works in following way: Left is lightened up with Red light, from Right there is negative Red (-Red), from Top Blue, from Bottom negative Blue (-Green). Gorgeous cherry blossom ringed valley with lake. The transformation from depth map to normal map is fairly compact set of opencv/numpy functions. It's completely free (no signup) and uses the Stable Diffusion text-to-image model. Best normal map generator download for pc This way you can safely just drag in a folder containing a bunch of textures, and reasonably expect that just your bumpmaps will be processed.