Computer graphics processing and selective visual display system – Computer graphic processing system – Interface
Patent
1995-06-06
1999-07-06
Tung, Kee M.
Computer graphics processing and selective visual display system
Computer graphic processing system
Interface
345127, 345153, 345439, 345501, 345507, G06F 1300
Patent
active
059203277
ABSTRACT:
A relatively large set of image data (e.g. 640.times.480) is mapped onto a relative smaller physical display device (e.g. 320.times.240) by one of a variety of techniques, usually characterized by display of a subset of the data at full resolution (i.e. 1:1). In some embodiments, the entire physical display is dedicated to display of the subset of data at 1:1 resolution; data beyond this subset is not displayed. In other embodiments, only a portion of the physical display is dedicated to 1:1 resolution, with the remainder of the physical display being used to represent some fraction of the remaining data at a lower resolution. In one embodiment, the resolution decreases with distance from the 1:1 resolution area, resulting in a fisheye lens-like geometrical distortion. A variety of other alternatives are possible. Data displayed in these lower resolution portions of the display device are geometrically compressed or distorted, but provide useful context information for the user. Desirably, user-responsive control means are provided by which the user can move the 1:1 resolution window to show different portions of the data set.
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Microsoft Corporation
Tung Kee M.
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