Type of Document	Master's Thesis
Author	Kolady, Krishnan V.
URN	etd-04082009-040403
Title	Phigs based phong rendering emulation Software
Degree	Master of Science
Department	Mechanical Engineering
Advisory Committee	Advisor Name Title Myklebust, Arvid Committee Chair Deisenroth, Michael P. Committee Member Jayaram, Sankar Committee Member
Keywords	Shades and shadows
Date of Defense	1990-05-29
Availability	restricted
Abstract Discussed is the design, implementation and use of a graPHIGS (IBM PHIGS) based sub-system that provides for shading of graphical models using the Phong shading technique. The ISO standard for 3D graphics, PHIGS, provides for wireframe display and manipulation of graphics data. PHIGS + implementations, while providing this capability, will not be widely available for some time. This capability will provide a generally useful extension to PHIGS for use by PHIGS based applications. The software provides the applications programmer with a graPHIGS based instruction set which acts as a superset to the current graPHIGS calls. Using the provided functions the user can quickly do hidden surface elimination and Phong rendering of 3-D models in 3-D views. The program contains approximately 15,000 lines of C code and uses graPHIGS inquiries and calls for information retrieval and datastructure maintenance.
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