This is one of over 4720 effects generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
To open this filter, you must have Filter Forge 2.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
This filter acquires a freely placeable cross section gradient of original picture and colors the picture by using this gradient in different selectable manner. For control purposes, the generated gradient can be displayed separately at any time. In a second step hue, saturation, gamma, brightness, and contrast of the result can be fine-tuned, and the entire fine tuning can be switched off and on by a single click. The result can be blended to the original picture in different ways, and finally you can extend the color range, too. The variations range from simple posterizations to etchings, watercolor-like
gradient, source, picture, destination, posterization, print, art, etching, water color