This text applies knowledge of ArcGIS software to the programming of ArcObjects. The book covers Geodatabase, the organization of ArcObjects, and ArcObjects help sources. Adopting VBA for programming, it reviews programming basics and user interface… Read more.
GEOGRAPHIC INFORMATION SYSTEMS
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from their web page: "The National Historical Geographic Information System (NHGIS) is a project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2015." Free… Read more.
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Note that some layers are free to download. Others must be requested through the Map and Data Library. All roads can be found for public use at this url http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=932
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The China Historical Geographic Information System (CHGIS) project was launched on January 8th 2001, with funding from the Luce Foundation. The CHGIS will establish a database of historical administrative units for different periods in Chinese… Read more.