[Qgis-developer] more fTools doubts

[Paolo Cavallini]

Carson Farmer ha scritto:

> Yes this is quite slow... in fact, this is a really simple
> implementation of geometry checking,
> and is done almost entirely within Python, so it's quite slow. I don't
> know if there is a GEOS
> function that will do this for us, if there is, I have change the code
> to take advantage of this,

http://geos.refractions.net/ro/doxygen_docs/html/classgeos_1_1geom_1_1Geometry.html#a16 ?

I think PostGIS use this for is_valid.
All the best.
-- 
Paolo Cavallini: http://www.faunalia.it/pc