# PostGIS &last_release_version; Manual

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 https://postgis.net.

&introduction; &installation; &administration; &using_postgis_dataman; &using_postgis_query; &performance_tips; &reference; &reference_sfcgal; &extras_topology; &using_raster_dataman; &reference_raster; &extras; &postgis_special; &reporting; &release_notes;