[R] GIS operations

[Rolf Turner]

On 21/12/11 01:54, Antonio Rodriges wrote:
> Hello,
>
> Is there a way to find points in SpatialPoints which lie inside a given Polygon?

You could try:

     * load package "spatstat"
     * convert your SpatialPoints object to an object of class "ppp"
     * convert your polygon to an object of class "owin"
     * use inside.owin()

See

     vignette("shapefiles")

for instructions on how to do the aforementioned conversion.

     cheers,

         Rolf Turner