Two Simple Algorithms For Displaying Orthographic Projections of Surfaces
Name
AI_WP_126.pdf
Description
Main article
Size
310.3 KB
Format
Adobe PDF
Checksum (MD5)
f65a44cdb739e90c040f852ced3f47cb
Author(s)
Woodham, Robert J.
Date Issued
August 1976
Publisher
MIT Artificial Intelligence Laboratory
Series/Report no.
MIT Artificial Intelligence Laboratory Working Papers, WP-126;
Abstract
Two simple algorithms are described for displaying orthographic projections of surfaces. The first, called RELIEF-PLOT, produces a three-dimensional plot of a surface z = f(x,y). The second, called SHADED-IMAGE, adds information about surface reflectivity and source illumination to produce a grey level image of a surface z = f(x,y).
Both algorithms demonstrate how a systematic profile expansion can be used to do hidden surface elimination essentially for free.
Description
Work reported herein was conducted at the Artificial Intelligence Laboratory of the Massachusetts Institute of Technology. Support for the laboratory's artificial intelligence research is provided in part by the Advanced Research Projects Agency of the Department of Defense under Office of Naval Research Contract number N00014-75C-0643
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