Tiling of object-based geographic information system (GIS)
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Mar 17, 1998
filing date -
Mar 17, 1998
priority date (Note) -
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Abstract
Disclosed is a method for displaying a topology having topological features on a display. The method includes dividing the topological region into tessellations. An object-based database is accessed which comprises geometrical objects representing the topological features with each geometrical object associated with a particular tessellation. The geometrical objects are one of a polygon object, a polyline object and a point object representing the topological features. A tessellation is selected to be displayed. The geometrical objects are fetched which are associated with the tessellations to be displayed. The fetched geometrical objects are drawn on the display.
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Cited Art Landscape
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