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Calculating intersections of surfaces in screen spaceWhen surfaces intersect, one may desire to highlight the intersection curve in order to make the shape of the penetrating surfaces more visible. Highlighting the intersection is especially helpful when the surfaces become transparent, because transparency makes the intersections less evident. A technique for locating intersections in screen space using only the information locally available to a pixel is discussed. The technique is designed to exploit parallelism at the pixel level and was implemented on the Pixel-Planes 5 graphics supercomputer.
Document ID
19940008712
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Banks, David C. (Institute for Computer Applications in Science and Engineering Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1993
Subject Category
Computer Programming And Software
Report/Patent Number
NASA-CR-191498
NAS 1.26:191498
AD-A269019
ICASE-93-41
Accession Number
94N13185
Funding Number(s)
CONTRACT_GRANT: NAS1-19480
PROJECT: RTOP 505-90-52-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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