Entity lookup system

In an electronic document such as a map, an entity lookup system associates primitive data with entity data though parallel or corresponding grids of a primitive quad-tree and an entity quad-tree. A key is assigned to grids in the primitive quad-tree in association to particular grids in the entity...

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Bibliographische Detailangaben
Hauptverfasser: BUERER, DAVID R, LAWLER, DUNCAN M
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:In an electronic document such as a map, an entity lookup system associates primitive data with entity data though parallel or corresponding grids of a primitive quad-tree and an entity quad-tree. A key is assigned to grids in the primitive quad-tree in association to particular grids in the entity quad-tree.