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Découvrez les artes - GeoNode. The Center for Land Use Interpretation. Geographic data models ~ Geographic Information systems. Two common data models used to represent geographic data are the vector data model and the raster data model.

Geographic data models ~ Geographic Information systems

Vector data model The vector data model is based on the assumption that the earth's surface is composed of discrete objects such as trees, rivers, lakes, etc. Objects are represented as point, line, and polygon features with well-defined boundaries.