摘要： 为了降低开发难度和提高开发效率，ArcGIS Engine 9.2中添加了GeoProcessor类，该类的作用ESRI的帮助文档中的说明为：A geoprocessing tool is executed by a geoprocessor.The geoprocessor is a helper object that simplifies the task of executing tools. Toolboxes define the set of tools available for the geoprocessor. Toolboxes can be added and remo 阅读全文

摘要： Online Global Satellite Image and Atlas:http://library.gmu.edu/resources/sci/Geog579.htm可以下载Aster,QuickBird,IKonos,OrbView,LandSat, SRTM,MODIS数据的网站: http://glcf.umiacs.umd.edu/data/http://ladsweb.nascom.nasa.gov/data/ NASA数据站...推荐National Geophysical Data CenterGSHHS - A Global Self-consistent, Hier 阅读全文