Geographic information system
A geographic information system is a system comprising of computer hardware and software specifically designed for the acquisition, maintenance, and use of cartographic (or spatial) data. Different GIS products deal with different context and data sets. ArcGIS is the most widely used GIS software. It has convenient interfaces and high efficiency spatial modeling. ERDAS and IDRIS are favored for dealing with Aerial and satellite images. MapInfo and GRASS GIS also provide comprehensive services. TransCAD and TransModler have refined capabilities for transportation planning. Telegenisys analysts can provide data and image analysis and maintain large complex databases used by GIS processing platforms.
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