Beginning with the publication of Ivan Sutherland’s interactive graphics system “Sketchpad” in the early 1960’s, researchers began to attack the problem of generating realistic computer graphic images. The fundamental problem of hidden line elimination was solved by the end of the 1960’s. Beginning in the early 1970’s, advances in hardware development, particularly raster scan CRT’s with integrated frame buffers, provided researchers with excellent tools. Since that time a wealth of techniques for generating realistic images has been developed; hidden surface elimination, 2D and 3D texture mapping, shading, shadowing, and modeling of natural objects such as trees, clouds, and mountains.
KeywordsConvex Polyhedron Luminous Intensity Point Light Source Color Insert Indirect Illumination
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- Nishita T. and Nakamae E.: “Half-Tone Representation of 3-D Objects Illuminated by Area Sources or Polyhedron Sources,” IEEE COMPSAC, pp. 237–242 (1983)Google Scholar