[Gdal-dev] Cookie cutting shapefiles in OGR

[Alexandre Leroux]

Hi list,

I haven't got any news from my cookie cutting challenge below. Anyone 
has a clue to help me get started?

Thanks and cheers! :-)

Alex


> Can someone tell me if I can do the following with OGR: I have two 
> shapefiles and need to cookie cut one with the other while keeping the 
> attributes of the first shapefile in the newly generated third shapefile.
> 
> I saw there is OGRGeometry::Intersection which would allow me to do 
> this, but I'd need to verify the intersection of all features from 
> shapefile #1 with all features of shapefile #2, which would take days 
> and days to compute with OGR (that's what my collegue which knows OGR 
> way better told me). Is there a way to cookie cut shapefiles directly at 
> the layer level?

-- 
Alexandre Leroux, M.Sc., Ing.
Environnement Canada / Environment Canada
Centre météorologique canadien / Canadian Meteorological Centre
Division de la réponse aux urgences environnementales /
Environmental Emergency Response Division
alexandre.leroux at ec.gc.ca