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Encyclopedia > OpenGIS

The Open Geospatial Consortium or OGC groups more than 250 commercial, governmental, nonprofit and research organisations worldwide, encouraging and prescribing standards for GIS data processing and exchange. It was previously known as Open GIS Consortium.


Based on the so-called abstract specification - describing a basic data model for geographic features to be represented - an increasing number of specifications is developed to serve specific needs for interoperable GIS.


The most important OGC specifications:

  • GML - Geography Markup Language
  • WFS - Web Feature Service
  • WMS - Web Map Service
  • WCS - Web Coverage Service
  • CS-W - Catalog Service Web

See also: GPS


External links

  • Open Geospatial Consortium (http://www.opengeospatial.org)
  • Open GPSToolKit (http://gpstk.sourceforge.net).

  Results from FactBites:
 
Cover Pages: OGC Releases OpenGIS Location Services (OpenLS) Implementation Specification. (1144 words)
The OGC Mission is to deliver spatial interface and encoding specifications that are openly and publicly available for global use.
The OpenGIS Reference Model (ORM) provides an architecture framework for the ongoing work of the OpenGIS Consortium and its specifications and for implementing interoperable solutions and applications for geospatial services, data, and applications.
The OGC Technical Baseline consists of the currently approved OpenGIS Specifications as well as for a number of candidate specifications that are currently in progress.
Formats : Libre : MySQL-OpenGIS (3945 words)
In this environment a geometry-valued column is implemented as a +column whose SQL type is drawn from the set of Geometry Types.
The OpenGIS Abstract +Specification defines a simple Surface as consisting of a single 'patch' +that is associated with one 'exterior boundary' and 0 or more 'interior' +boundaries.
For example, in different coordinate systems distance +between two objects may differ even objects have the same coordinates, +like distance on plane coordinate system and distance on geocentric +(coordinates on Earth surface) systems are different things.
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