This method implements the OpenGIS Simple Features Implementation Specification for SQL 1.1."> This method implements the SQL/MM specification."> This method is also provided by SFCGAL backend."> This method needs SFCGAL backend."> This method supports Circular Strings and Curves"> This function supports 3d and will not drop the z-index."> This function supports M coordinates."> This function supports Polyhedral surfaces."> This function supports Triangles and Triangulated Irregular Network Surfaces (TIN)."> ]> The PostGIS Development Group Paul Ramsey clever elephant

Victoria British Columbia Canada pramsey@cleverelephant.ca

PostGIS &last_release_version; PostGIS is an extension to the PostgreSQL object-relational database system which allows GIS (Geographic Information Systems) objects to be stored in the database. PostGIS includes support for GiST-based R-Tree spatial indexes, and functions for analysis and processing of GIS objects. This is the manual for version &last_release_version; This work is licensed under a Creative Commons Attribution-Share Alike 3.0 License. Feel free to use this material any way you like, but we ask that you attribute credit to the PostGIS Project and wherever possible, a link back to http://postgis.net. &introduction; &installation; &faq; &using_postgis_dataman; &using_raster_dataman; &using_postgis_app; &performance_tips; &reference; &reference_raster; &faq_raster; &extras; &postgis_aggs_mm; &reporting; &release_notes;