The Synthesis of 3D Graphics and the Study on Various Shadow Effects

To make 3D perspective drawings for buildings for buildings, a special software with all kinds of the building models and shadow effects can be used first. It includes models like polygon object, curved surface, fragment surface, reflection, refraction, transparent object, geologic map, percussion figure, atomization and all kinds of light sources. Then with the methods of proportional combination, ray tracking and local processing, it forms the shadow effect, and finally produces the 3D Graphics. In this paper, the author will mainly talk about three aspects.