It is plugin for the GIMP that lets you use simple mathematics formulas to extend your images. All graphics on this page is based on it. You have great idea for some new simple and powerfull filter and you want to test it first before start coding. M.M. Sechtlova's virtual galery Computer art done by my mother on my own old drawing program. Then press Select and select them.
First image is selected automatically to current one.
At the beginning Here you can specify expression that will be evaluated before processing image. Like specifing user defined parameters by setting variables and so on. This expression is evaluated before all following ones. Result of this expression is used for red channel os output or as indensity or index in grayscale and indexed images. It is not evaulated for grayscale and indexed images.