Research Of Geographic Information System Based On GML

Because geographic information system is short of the unified standard,it is difficult to alterate information between different GIS.The paper imports GML into distrbution work net GIS for the actuality of electric powerd GIS, and introduces GML,XML,SVG etc,and places the emphasis on analyzing UML and combines IEC61970 standard and designes distributionnetwork geography information model basing on GML.In the practiser, the paper mainly staudies GML integration and map display and alternation operation of map in the client etc.The paper studies the theory about geography information system base on GML and researches serious technologies about XML, GML, SVG, Java, JavaScript, etc.