rajanski

## README.md

      
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                rajanski
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              Last active
              August 29, 2015 14:24
                — forked from tmcw/README.md
            
          
    This is companion code to this guide.

  
## gist:ccf65d4f5106c2cdc70e
"""
Read graphs in Open Street Maps osm format
Based on osm.py from brianw's osmgeocode
http://github.com/brianw/osmgeocode, which is based on osm.py from
comes from Graphserver:
http://github.com/bmander/graphserver/tree/master and is copyright (c)
2007, Brandon Martin-Anderson under the BSD License
"""

import xml.sax

## voronoi.sql
CREATE OR REPLACE FUNCTION voronoi(table_name text,geom_col text) returns SETOF record as $$

#############################################################################
#
# Voronoi diagram calculator/ Delaunay triangulator
# Translated to Python by Bill Simons
# September, 2005
#
# Additional changes by Carson Farmer added November 2010
#
	"""
	Read graphs in Open Street Maps osm format
	Based on osm.py from brianw's osmgeocode
	http://github.com/brianw/osmgeocode, which is based on osm.py from
	comes from Graphserver:
	http://github.com/bmander/graphserver/tree/master and is copyright (c)
	2007, Brandon Martin-Anderson under the BSD License
	"""

	import xml.sax
	CREATE OR REPLACE FUNCTION voronoi(table_name text,geom_col text) returns SETOF record as $$

	#############################################################################
	#
	# Voronoi diagram calculator/ Delaunay triangulator
	# Translated to Python by Bill Simons
	# September, 2005
	#
	# Additional changes by Carson Farmer added November 2010
	#