Data model standards

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This set of standards builds on the ISO/TC 211 reference model. The data model standards provide a family of abstract conceptual schemas for describing the fundamental components of features as elements of geographic information.

ISO TC211 maintains a wiki on best practices for modeling geographic information in UML.

For generic geospatial data

  • ISO 19107:2003, Geographic information -- Spatial schema, specifies UML classes for representing the spatial characteristics of features as composites of geometric and/or topological primitives.
  • ISO 19108:2002, Geographic information -- Temporal schema, does the same as ISO 19107 for the temporal characteristics of features and also specifies classes for describing relevant temporal reference systems.
  • ISO 19109:2015, Geographic information -- Rules for application schema, specifies a general feature model for integrating these components into features and provides rules for doing so in an application schema.
  • ISO 19137:2007, Geographic information -- Core profile of the spatial schema, provides a profile of ISO 19107 that is limited to describing features as simple geometric primitives of 0, 1, or 2 dimensions.
  • ISO 19123:2005, Geographic information -- Schema for coverage geometry and functions, provides a schema for an alternative representation of spatial information as a coverage, in which non-spatial attributes are assigned directly to geometric objects rather than to features composed of such objects.
  • ISO 19141:2008, Geographic information -- Schema for moving features, extends ISO 19107 to support the description of moving geometric objects.

For geospatial data in specific application domains

See also