[R-sig-Geo] Interior of Polygons

[Roger Bivand]

On Fri, 20 Apr 2012, Kemp, Michael wrote:

> Hey Jesús,
> See getKMLcoordinates() in the maptools package to extract the 
> coordinates of the polygons and the points from the kml file.  Then, 
> point.in.polygon() in the sp package should be able to do what you want.

Or rather easier use readOGR() in rgdal to read the file, possibly 
preceded by ogrListLayers() if you do not know the layer name; OGR has a 
KML driver. Then use the over() methods in the sp package.

Hope this helps,

Roger


> Regards,
> Michael
>
> From: r-sig-geo-bounces at r-project.org [mailto:r-sig-geo-bounces at r-project.org] On Behalf Of Alonso Nanclares, Jesús Alberto
> Sent: Friday, April 20, 2012 8:50 AM
> To: r-sig-geo at r-project.org
> Subject: [R-sig-Geo] Interior of Polygons
>
> Hi dear members of the list,
>
> I have a KML file with the coordinates of some polygons and a set of bi-dimensional points, and I'm facing the problem of classifying the points in the respective polygons. Does anyone know how to define the interior of polygons, or of a different way to solve the problem? Any idea is well received.
>
> Thank you so much,
>
> Jesús Alberto Alonso Nanclares
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Roger Bivand
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