= Grid (spatial index)
{wiki=Grid_(spatial_index)}
Grid (often referred to as a spatial index) is a data structure used in Geographic Information Systems (GIS) and spatial databases to efficiently organize and retrieve spatial data based on its location. The grid spatial index divides a geographic space into a series of uniform rectangular cells or grids, each representing a specific area. It allows for faster querying and analysis of spatial data by reducing the number of comparisons that need to be made when searching for nearby points or objects.
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