Structure storage management in a graphics display device
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United States of America Patent
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-
Sep 28, 1993
Issued Date -
N/A
app pub date -
Dec 9, 1992
filing date -
Oct 24, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
A graphics data management system that includes control tables for quickly accessing information about the display structures to be drawn. A series of control tables and hashed indexes to graphics descriptors allow structure storage editing commands to quickly and effectively edit structure details. A hierarchical graphics data language results in a hierarchical network of structure elements and associated graphic primitive commands. The editor provides a method to preserve the hierarchy while efficiently accomplishing editing tasks. Hashing tables to the structure I.D., pick I.D., label I.D. and a chained list of execute structures are maintained to rapidly access and control those elements. Structure storage is maintained in local memory with certain portions shared with the graphics control processor.
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