#Open raster format software#
Fish & Wildlife Service and Bureau of Land Management), and new GIS software companies such as Esri and Intergraph, each program was built around its own proprietary (and often secret) file format. When general-purpose GIS software was developed in the 1970s and early 1980s, including programs from academic labs such as the Harvard Laboratory for Computer Graphics and Spatial Analysis, government agencies (e.g., the Map Overlay and Statistical System (MOSS) developed by the U.S. As more of these appeared, they could be compared to find best practices and common structures. The first GIS installations of the 1960s, such as the Canada Geographic Information System were based on bespoke software and stored data in bespoke file structures designed for the needs of the particular project. They have been created by government mapping agencies (such as the USGS or National Geospatial-Intelligence Agency), GIS software vendors, standards bodies such as the Open Geospatial Consortium, informal user communities, and even individual developers. Since the 1970s, dozens of formats have been created based on various data models for various purposes.
A GIS file format is a standard for encoding geographical information into a computer file, as a specialized type of file format for use in geographic information systems (GIS) and other geospatial applications.
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