: Lunedì, 4 novembre 2013 15:55:25
Oggetto: Re: [Qgis-developer] Does spatial index improve performance using the
class QgsGeometry.intersects()?
Try it
http://nathanw.net/2013/01/04/using-a-qgis-spatial-index-to-speed-up-your-code/
Best regards.
On Mon, Nov 4, 2013 at 9:16 AM, Stefano
Hi list,
I don't know exactly how spatial index works, so I ask this question.
I have two layers and I want to check which features of the first layer
intersect the features of the second one.
I write a simple script where I create the spatial index for both themes and I
use the class
Try it
http://nathanw.net/2013/01/04/using-a-qgis-spatial-index-to-speed-up-your-code/
Best regards.
On Mon, Nov 4, 2013 at 9:16 AM, Stefano Masera
stefano.mas...@arpa.piemonte.it wrote:
Hi list,
I don't know exactly how spatial index works, so I ask this question.
I have two layers and
