Method for rendering outlines of 3D objects
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United States of America Patent
Stats
-
N/A
Issued Date -
May 6, 2004
app pub date -
Nov 5, 2002
filing date -
Nov 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for rendering outlines of a 3D object. The object is modeled by polygons. The method comprises steps of identifying front- and back-facing polygons, storing edges of the back-facing polygons into a SE buffer when the edge to be stored is different from those previously stored in the SE buffer, otherwise, erasing from the SE buffer the matching edge, storing the edges of the front-facing polygons into a CE buffer when the edge to be stored is different from those previously stored in CE buffer, otherwise, erasing from the CE buffer the matching edge when an included angle between normals of their polygons is smaller than a threshold, constructing mesh on the edges stored in the two buffers, and rendering the outlines of the object by the mesh.
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Cited Art Landscape
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