You could try using JEQL. It's a command-line tool which runs on Java,
and provides a SQL-like language for performing spatial processing.
http://tsusiatsoftware.net/jeql/main.html
[EMAIL PROTECTED] wrote:
Hi list,
apologies for an off-topic question, but some of you osgeo wizards
might know an answer for my question. I need some help to do some
geoprocessing _outside_ PostGIS using available open source tools.
I have two shapefiles - the first one containing 'master' polygons,
the second one can contain random features (lines, polygons or
points). I now want to iterate through all polygons of the first
shapefile and extract the features from the second file which are
located within a given master polygon. The extracted features should
also get some a new attribute based on which master polygon they are
located in. So essentially it is a simple iteration over a 'within'
query.
Can this be done without converting the shapefiles to a different
format using any of the existing open source tools (ogr2ogr, geos,
shapely)? I would prefer to use Python, and if possible, the solution
needs to be cross-platform (OS X, Win). If not, what would be the best
way to do this, preserving the attributes of the shapefiles?
Any pointers greatly appreciated.
TIA,
Chris
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Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
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