Method and apparatus for displaying movies using Z-data information
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Nov 3, 1994
filing date -
Nov 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A computer display system for real time display of digital movie frames, derived from 24 bit, bit mapped graphic images formed of pixels and 32 bit floating point z values, and sprites which can interact with the movie frames. The system displays movies comprised of a compressed image frame, and a value limited, posterized, and compressed z frame. The incorporation of the novel z frame allows for 24 different levels of interactive, real time clipping of the sprites with the background image frame. The apparatus of an image frame associated with the z frame can also allow for two separate movies comprised of image frames and z frames to be superimposed with precedence clipping between the two independent movies in real time.
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