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. Areas where the top layer are mid grey are unaffected. An overlay with the same picture looks like an S-curve. formula_5 where "a" is the base layer value and "b" is the top layer value. Depending on the value "a" of the base layer, one gets a linear interpolation between black ("a"=0), the top layer ("a"=0.5), and white ("a"=1). Hard Light is also a combination of Multiply and Screen. Hard Light affects the blend layer's relationship to the base layer in the same way Overlay affects the base layer's relationship to the blend layer. The inverse relationship between Overlay