PostGIS Manual

Edited by

Paul Ramsey

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 basic analysis of GIS objects.


Table of Contents
1. Introduction
Credits
More Information
2. Installation
PostGIS
Upgrading
JDBC
Loader/Dumper
3. Frequently Asked Questions
4. Using PostGIS
GIS Objects
Standard versus Canonical Forms
Using OpenGIS Standards
The SPATIAL_REF_SYS Table
The GEOMETRY_COLUMNS Table
Creating a Spatial Table
Loading GIS Data
Using SQL
Using the Loader
Retrieving GIS Data
Using SQL
Using the Dumper
Using Minnesota Mapserver
Building Indexes
GiST Indexes
Using Indexes
Java Clients (JDBC)
C Clients (libpq)
Text Cursors
Binary Cursors
5. PostGIS Reference
OpenGIS Functions
Other Functions