In this section I will explain how to set the position and direction of the light source, and try to suggest some useful settings. This dialog lets you adjust the material properties of your image or layer. The values set here are critical for how the result will look, so make sure you experiment a bit with them and understand what they do. Cool in some cases. Settings this to 0.0 means black, while 1.0 means that the image doesn't get darker at all.
Smaller values means darker image.
This values is usually set to 1.0 . Good values should probably be 0.2 through 0.6 . Note that effect of this value is expotential. Wave settings dialog Map from image dialog From this dialog you can specify from what image you want to map, how to scale the data from the image and how to map the scaled data to fit your needs. Only RGB and grayscale images are allowed.