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

[Frank Warmerdam]

Christopher Fonnesbeck wrote:
> 
> 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?

Chris,

Currently it is implemented as a simple bounding box intersection.

Best regards,
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