Chromatic Aberration: GIMP and Photoshop ElementsHow to do Chromatic Aberration in GIMP & Photoshop ElementsChromatic Aberration: GIMP and Photoshop Elements1 day ago in Other
Computers can produce an array of colours by combining three primary colours: Red, Green and Blue (hence RGB). When aligned, these colour components make up your digital illustration. The same goes for television screens. When we do our fake "3D" effect, we are effectively making the channels underneath exposed and it shows red(R) and cyan(G+B). This is called Chromatic Aberration. It's actually considered a flaw in photographs taken with a camera. There will often be options to fix chromatic aberration in photo manipulation programs. However, it's a desirable effect in digital art as it creates a three-dimensional look and adds depth. Here we go:
- GIMP -
File > Open your desired image.
Switch from layers dialog to channels dialog in the top panel (within the right-hand window).
Select the Red channel so that it i