| Publisher | ESRI (Environmental Systems Research Institute, Inc.) | ||
|---|---|---|---|
| Format | HTML | Date added | 14 Aug 2003 |
| Topics | GPS - GIS, Data Acquisition / ETL, 3D Modeling and Rendering | ||
| Downloads | 15 | ||
ArcView 3D Analyst provides desktop GIS users with the tools to create high-quality digital terrain models (DTMs). Modeling data are available in several forms at no charge on the Internet. The U.S. Geological Survey (USGS) maintains Web sites that provide free downloadable modeling data via FTP protocol. This paper is a summary of various types and sources of data that can be used to generate 3D terrain models--Includes a discussion of DLG and DEM data.
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