Description:
The GRASS GIS Homepage Web site offers the free Geographical Information System (GIS) software that was originally created as a tool for land management and environmental planning for the military. Geographic Resources Analysis Support System (GRASS) is used for data management, image processing, graphics production, spatial modeling, and visualization of many types of data with a wide range of applications in many different areas of scientific research. It has continually evolved since 1982 with help from a large number of federal US agencies, universities, and private companies. It is available free from the site, along with add-ons, sample data, manuals, and more.
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