Chris,
If you prefer Python, have a look at Shapely
(http://trac.gispython.org/lab/wiki/Shapely). I haven't used it myself, but it
looks promising...
Brent Fraser
[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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