Not an oversight. Like you said, GEOS doesn't understand coordinate  
systems. It is only concerned with planar geometry. Shapely, likewise.  
Coordinate systems are (IMO) a concern of features and layers (or  
feature collections).

Sean


On Jun 11, 2009, at 12:59 PM, Douglas Mayle wrote:

> Hello everybody...
>       After talking with Paul Ramsey, I understand the GEOS, the c library
> behind Shapely has an SRID slot for the geometry object.  It doesn't
> know enough to do anything with it, but at least you can track the
> SRID of the object you're working with.  This doesn't seem to be
> exposed in Shapely.  Of course there's no problem in simply adding an
> attribute (yay python!), but I was wondering if this was a simple
> oversight?
>
> Thanks,
> Douglas Mayle
> _______________________________________________
> Community mailing list
> [email protected]
> http://lists.gispython.org/mailman/listinfo/community

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