[Gdal-dev] Using OGR Python to analyse stream layers

Christopher Fonnesbeck chris at fonnesbeck.org
Mon Feb 9 18:29:18 EST 2004


On Feb 9, 2004, at 1:03 PM, Frank Warmerdam wrote:

> OGR does not support much in the way of geometry intersection 
> operations.
> What it does offer is a bounding box spatial filtering.  That is, a
> rectangular bounding box can be set as a spatial filter, and then when
> you iterate through the features, only those intersecting that bounding
> box will be returned.

What about the Intersect method within the Geometry class? Does that 
use a bounding box, or is it a true intersection?

C.
--
Christopher J. Fonnesbeck ( c h r i s @ f o n n e s b e c k . o r g )
Georgia Cooperative Fish & Wildlife Research Unit, University of Georgia




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