Vance Kirkland long series of ‘Dot Paintings’. ... This technique might remind one of Pointillism, but only in theory, not in practice...this method is far from that of the Pointillists. The big, organic forms are built up from tiny dots, using powerful, sometimes brutal colors ... The dots of paint are plastic; they protrude from the surface of the painting, almost transforming it to a relief.” There are four main series and some important sub-series: Energy of Vibrations in Space [with sub-series Valhalla, Geometric, Einstein, Open Suns]; Energy of Mysteries in Space; Energy of Explosions in Space; Energy of Forces in Space;
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