colours

Range Selection Script

rayadagio — Sat, 18 Jul 2009 18:51:35 +0200

The range selection script is a tool for easy and automatic creation of selections and layer masks. The selections or masks include all parts of the image that are situated within a defined range of tonal values, colours, saturation or edges. Selections can be based on one of 16 channels. For detailed instructions and several samples have a look at the attached manual.

Relative color remap

larsrc — Tue, 03 Jun 2008 13:22:55 +0200

This plug-in changes colors in an image based on the HSV difference between two colors. This is particularly useful for applying color themes to existing images.
It avoids burning out high saturation and value at the expense of compression them somewhat when the difference goes towards higher saturation and value.
Current bugs/missing features include:
Undo does not work.
It can't be used on indexed images, even though it would frequently have enough colors.
It's slooow. Since it looks at only one pixel at a time, it should use some "pixel-iterator" that goes through the tiles in an optimal manner.
Selection only works in binary.
Grayscale support is untested and probably broken.
There is no preview.
Prevention of highlight burnout should be optional.

Saturation Fix

Darla — Wed, 23 Jan 2008 12:48:54 +0100

Saturation Fix for restoring clipped colour channels.

Guide to Using the Saturation Fix Script

Rainbow Plasma

haro — Sat, 19 Jan 2008 03:19:43 +0100

Creates an image of rainbow coloured circles to give a plasma-like pattern. Also comes with an animation script that animates the pattern. Frames are saved as layers. Choose min and max speed and circles are randomly increases/decreased in radius according to the set speeds.
TODO - Save frames as XCF files compatible with GAP.