more like a painting. You can specify four different canvas direc- tions, as well as how “rough” the fabric should be. The Depth slider controls the canvas roughness. A high value will produce a very rough interval for Max/Min and put the other sliders somewhere in the middle (higher to create a coarser fabric). Use a diagonal linear gradient as the map. Set Gradient the first time and Derivative the second blinds. CURTAIN The Curtain filter makes it appear as if you are looking at your image through the fabric of a thinly woven curtain. Only, this curtain has a pattern printed on it, and that pattern is your