[Freegis-list] How can I "clip" shapefiles to a box-shaped subset without using the ESRI ArcMap tool?

[Bryan Keith]

Murray,

I started writing a Python script using ogr to do this about 10 months 
ago.  As I recall, it worked for what I needed at the time, but it's 
still pretty buggy.  I have only one version in CVS and another version 
that looks hacked up.  I attached the CVS version.  Be warned that I 
haven't looked at this in quite some time and recall that it needs some 
work.  Maybe it will be a useful place for you to start.

Bryan

Bryan Keith
GIS Specialist
Geomega, Inc.
Boulder, CO, USA

Murray Brown wrote:
> Our marine data training program (www.oceanteacher.org) tries to
> avoid necessary use of commercial software, and so far we've been
> able to stay nearly ESRI-free.  But the one Arc tool that we still
> find necessary is the clip function that cuts a shapefile down to the
> borders defined by a second shapefile.  In our case, the second
> shapefile is almost always a simple rectangular box (area of
> interest).
> 
> Does anybody know a free, stand-alone program (hopefully a binary
> executable) that can do this also?
> 
> Thanks in advance for any help.
> 
> Murray Brown UNESCO-IOC Marine Data Mgt. Training Program
> 
> 
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