Fremgangsmåde til automatisk fremvisning af kortsymboler

In a Geographic Information System, a computer retrieves records from a data base for each map feature that lies within the extent of the displayed portion of the map. The records for point features are organized in "flat" structures where each map feature is represented by a single symbol...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BARRETT, WILLARD, H, JOHNSON, KENNETH, R
Format:	Patent
Sprache:	dan
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS SEALS
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