摘要
Abstract
The geologicaldepartm entalw aysw orksw ith M A PG IS softw are,butthe w orkersofdigitalsurvey-ingandmappingareusingCASSsoftware,thedataformatsareabsolutelydifferent.Soalotofobstaclesexistin data exchanging betw een the tw o popularsoftw are fora long tim e w hich bringsa lotofinconvenience to the geolo-gy,land and m any othersectorsofusers'w ork.From the pointofpracticalapplication,thisarticle hasconducted a furtherdiscussion in the form atofthe data characteristics and conversion m ethod betw een C A SS and M apG IS.B y w riting program code to read C A SS data,the C A SS diagram entity type w as subdivided into point,line,surface, text, and block. T hen the data w hich has been read out w ere converted to M apG IS form at data w hich concludes dot,line,face,text,and sub graph through the restructure M apG IS data program code.A tlast,w e realized the auto-m atic conversion of the tw o data form at and also reduced the data loss to the process of conversion at the ultim ate in the paper through the conversion practice of the Inner M ongolia B aotou H abuqin iron m ine topographic m ap.关键词
CASS/MAPGIS/数据格式/数据转换Key words
C A SS/M apG IS/D ata Form at/D ata C onversion分类
天文与地球科学
