The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2007
Filed:
Mar. 16, 2004
Qingyun Xie, Nashua, NH (US);
Weisheng Xu, Nashua, NH (US);
Siva Ravada, Nashua, NH (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
In one embodiment of the present invention, in a database management system, a system for handling geographic raster data comprises a first data table including a plurality of GeoRaster objects, each GeoRaster object including a spatial extent geometry and associated metadata, the spatial extent geometry identifying a footprint of a geographic raster data object and associated with at least one block of raster data, a second data table including a plurality of raster objects, each raster object associated with one block of raster data of a GeoRaster object and including information indicating a spatial extent of the block of raster data and information relating to the block of raster data, a first spatial index built on the first data table based on the spatial extent geometry of each of the plurality of GeoRaster objects, the first spatial index operable to retrieve a GeoRaster object from the first data table based on a relative spatial location of the GeoRaster object, and a primary key index built on the second data table based on the information relating to the block of raster data, the index operable to retrieve a raster object from the second data table based on the information relating to the block of raster data associated with the retrieved raster object.
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