[Gdal-dev] Building multipolygons from single polygons with OGR?

[Frank Warmerdam]

On 12/13/05, Ethan Alpert <ealpert at digitalglobe.com> wrote:
> I have a query that returns single polygon geometries and I'd like to loop
> through the features and create a single multipolygon from the result set.
> How is this done with the OGR API?

Ethan,

You could need to create a multipolygon object, and then
call addGeometry() for each polygon.  You can pass in
the original polygons, as the method will clone them internally.

Best regards,
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