[GRASS-user] points in polygon query
neteler at itc.it
Fri May 18 11:48:00 EDT 2007
someone asked me today a similar question as expressed by Maximiliano, still
no idea how to calculate this in an elegant way.
Any suggestions how to count the number of points falling into polygons
of another map?
Massimiliano Cannata wrote:
> Hi all,
> I have a task to accomlpish but I don't know how to perform it...
> Maybe someone can give me some hinits.... :-)
> I have a points layer and a polygon layer.
> I want to generate a map with the geometry of the polygons and an
> attribute that is the count of the points that fall inside.
> polygons: Municipalities
> points: car accidents
> resulting map: Municipalities represented for number of car accidents
> Thanks you all,
> Dr. Eng. Massimiliano Cannata
> Scuola Universitaria Professionale della Svizzera Italiana
> Istituto Scienze della Terra
> Via Trevano, c.p. 72
> CH-6952 Canobbio-Lugano
> Tel: +41 (0)58 666 62 14
> Fax +41 (0)58 666 62 09
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