Designing Thought,Technical Line and Some Theoretical Issues on Geospatial Digital Framework of China

(整期优先)网络出版时间:2002-03-13
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BasedonthedevelopingtendencyofpresentChina'sbasicGIS,thispaperdiscussesthedesigningideaforscalesof1∶10000,1∶50000,1∶250000and1∶1000000pyramidlikemultilayerandmultiresolutionofthebasicGIS.AtechnicallinefortheconstructionofbasicGISofthewholecountryandvariousprovincesforsustainabledevelopmentisputforward.AndsomeimportanttheoreticalGISissuestouchedbythetechnicalprocessarediscussed.