Applying effects using source luminance

With Corel Painter, you can apply some effects to an image by using the luminance values of a specified source, which can include an external source or the luminance of the image itself. The intensity of the effect on the image is based on the light and dark values of the source. A larger degree of change to the light areas of the source, and a smaller degree of change is applied to dark areas. For example, when you choose Paper as a source, the effect is applied according to the light and dark areas of the paper selected in the Papers panel. You can also choose a pattern or external image (clone source) as a luminance source.

The luminance source options are listed in the Using list box and they vary between effects. The luminance options can include:

These options are explained in greater detail in the Help for each of the effects. The best way to see how these options affect your images is to try them.


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