Title page for ETD etd-04082009-040403

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
  • Shades and shadows
Date of Defense 1990-05-29
Availability restricted

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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