[Qgis-user] Count polygons within a larger polygon

2011-08-07 Thread Kate Beard
Wondering if anyone can help? i'm trying to count the number of smaller polygons within a larger polygon. I've used the Vector Data Management Join by location, which gives me numbers which are close, but not quite correct. I've also found the Points in Polygon tool which would be fine if I

Re: [Qgis-user] Count polygons within a larger polygon

2011-08-07 Thread Alex Mandel
On 08/07/2011 07:44 PM, Kate Beard wrote: Wondering if anyone can help? i'm trying to count the number of smaller polygons within a larger polygon. I've used the Vector Data Management Join by location, which gives me numbers which are close, but not quite correct. I've also found the

Re: [Qgis-user] Count polygons within a larger polygon

2011-08-07 Thread Ramon Andinach
An instant thought, which is probably wrong. Could you use the vector tools to generate centroid points and count those? Probably only going to work of the polygons are more-or-less regular. Do you know what is causing the difference in the count? Is it including partial polygons? -ramon. On