Layer masks are as essential as layers in GIMP. With layer masks, you can selectively modify the opacity/transparency of a layer. Remember above when I mentioned using the gradient to fade a layer ...

This was made using a 3D rendering script for The Gimp. The process is not entirely automatic, but it won’t take too long to mask off the outlines for different depth layers. The script makes ...

GIMP is a free, open-source image editor used ... A purple color will represent the Draw Mask, the region you select. Click and drag downward to increase the threshold and upward to increase ...