论文信息 - GIRAS; a geographic information retrieval and analysis system for handling land use and land cover data

GIRAS; a geographic information retrieval and analysis system for handling land use and land cover data

1 General system description 1 Source data 2 Land Use and Land Cover Map 2 Political Unit Map 3 Census County Subdivision Map 3 Hydrologic Unit Map 3 Federal Land Ownership Map 3 State Land Ownership Map 3 Data volumes 4 Data structure 5 Data capture 7 Data retrieval 11 Data manipulation, analysis, and output 11 Data manipulation 11 Data analysis 12 Data output 12 GIRAS II, current system design 13 References 16

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[3] Nicholas Chrisman,et al. Cartographic Data Structures , 1975 .