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GIS software is a term that includes a wide range of software tools for creating, georeferencing, manipulating, combining, and analyzing terrestrial spatial data. The leading products provide extensive support for both vector (point, line, polygon) and raster (grid-based) data models, including facilities to convert between the two. More specialized products may focus on one or other area; for example, those products designed to address the needs of remote sensing and environmental analysis are typically raster based, while those addressing the needs of civil engineering and transport applications are typically vector based.

Software Suppliers

GIS software is available from a substantial number of sources, both commercial and noncommercial. The major suppliers of the former include Autodesk, Bentley, ESRI, Intergraph, Leica, and MapInfo. Among the latter, the most notable ...

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