The Web Coverage Processing Service (WCPS) is a query language for filtering and processing of multi-dimensional raster coverages (grid-based digital representation of spatio-temporal phenomenon), such as sensor, simulation, satellite images, and statistics data collected over multiple points in time. WCPS allows clients to obtain original coverage data, or derived information, in a platform-neutral manner over the Web. It is maintained by the Open Geospatial Consortium (OGC).
WCPS allows users to generate pictures suitable for displaying to humans and information concise enough for further consumption by programs. In particular, the formally defined syntax and semantics make WCPS amenable to program-generated queries and automatic service chaining. As the WCPS language is not tied to any particular transmission protocol, the query paradigm can be embedded into any service framework, such as OGC Web Coverage Service (WCS) and OGC Web Processing Service (WPS).
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