Two dimensional

solid of revolution heat map planar euclidean distance flatness superficies sweep out stereophonic alloverness planular pinscape semacode heightmap polynomiograph euclidean space spin foam tessellate blit stereoformula diffraction pattern circle dimension dot matrix matrix stereology circumference autostereogram dromion battleship shaped curve data matrix descriptive geometry side bidimensional topogram one dimensional modeling depth bullet hell euclidean plane perspective sprite worldsheet cytofluorogram polynomiography third dimension quadtree foreground line