지리정보시스템(GIS: Geographic Information System)에서는 1 차원이 아닌 2 차원 공간상의 공간 데이터 처리를 위한 많은 연구가 수행되어 왔으며 DBMS 에서 이러한 2 차원 공간 데이터의 처리를 위하여 많은 기술들이 연구 개발되어 왔다. 최근 GIS 응용에서는 2 차원이 아닌 3 차원 공간데이터 처리에 대한 요구사항이 급증하고 있다. 이에 본 연구에서는 기존 2 차원 공간 DBMS에서 3 차원 공간데이터 처리를 위하여 확장 개발해야 할 요소에 대하여 살펴보고자 한다.
KSP Keywords
Geographic Information System, Information systems(IS)
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