Pointillism Pointillism Pointillism () is a technique of painting in which small, distinct dots of color are applied in patterns to form an image. Georges Seurat and Paul Signac developed the technique in 1886, branching from Impressionism. The term "Pointillism" was coined by art critics in the late 1880s to ridicule the works of these artists, and is now used without its earlier mocking connotation. The movement Seurat began with this technique is known as Neo-impressionism. The Divisionists, too, used a similar technique of patterns to form images, though with larger cube-like brushstrokes. The technique relies on the ability of the
Blend modes darker'. This blend mode simply subtracts pixel values of one layer with the other. In case of negative values, black is displayed. Difference subtracts the bottom layer from the top layer or the other way round, to always get a positive value. Blending with black produces no change, as values for all colors are 0. (The RGB value for black is 0,0,0.) Blending with white inverts the picture. One of the main utilities for this is during the editing process, when it can be used to verify alignment of pictures with similar content. "Exclusion" is a very similar blend mode