How do you create the black and white maps you would use to show grime or scratches on the object. Are these maps painted ...

Question

How do you create the black and white maps you would use to show grime or scratches on the object. Are these maps painted by hand or is there a quick way to auto-generate them?

Answer 1 · 2017-11-15T13:59:50Z

Kent Trammell replied November 15, 2017 1:59pm

I just crunched the contrast on a photo and made it tileable. Like sourcing an image similar to this.