README

GeoPHP is a library that is intended to hold and process GIS data conforming
to the OGC Simple Features for SQL specification.  For information see 
http://www.opengis.org/docs/99-049.pdf.  Data in this format is used by the
PostGIS extension to PostgreSQL and the Spatial Extensions for MySQL.  This
library is mainly intended to act as a data container, and does not include
advanced processing capabilities such as projections and relationships.

Supported Data Types
--------------------

 * Point
 * Line string
 * Polygon
 * Geometry collection
 * Multi-point
 * Multi-line string
 * Multi-polygon

Data in 2d, 3dz, 3dm, and 4d are supported.

Input Formats
-------------

 * EWKB/WKB
 * HexEWKB (default output of PostGIS)
 * EWKT/WKT
  
Output Formats
--------------

 * EWKB
 * WKB
 * HexEWKB
 * EWKT
 * WKT
 
TODO
----

  
Acknowledgements
----------------

Thanks to the GeoRuby library and its creators for ideas and insight into
data formats.

PostGIS was used to generate test data.