[Qgis-user] Clip OSM vector data with a polygon

[Randal Hale]

A spatial index will speed it up some. Of course if you have a lot of 
data it's going to be slow

Vector > Data Management -> Create spatial index


On 02/24/2015 08:51 AM, image93 wrote:
> Folowing to my previous mmessage...in fact, the process works...but this is
> very very slow...how to fast the process? i should have create a spatial
> index ? If es, how to create a saptial index for my shp with qgis?
>
>
>
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-----------------
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjhale at northrivergeographic.com
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http://www.northrivergeographic.com/introduction-to-quantum-gis