[R] basic spatial query

2008-01-28 Thread jgarcia
Hello; Please coud you advise me of a simple way to select points (x,y coordinates) that fall within a polygon. I've got a set of polygons, each one defined by an arbitrary number of points, and several points inside each polygon. I know this is simple with a GIS, but I'd rather do it inside R.

Re: [R] basic spatial query

2008-01-28 Thread Roger Bivand
jgarcia at ija.csic.es writes: Hello; Please coud you advise me of a simple way to select points (x,y coordinates) that fall within a polygon. I've got a set of polygons, each one defined by an arbitrary number of points, and several points inside each polygon. I know this is simple with

Re: [R] basic spatial query

2008-01-28 Thread Rolf Turner
On 28/01/2008, at 11:14 PM, [EMAIL PROTECTED] wrote: Hello; Please coud you advise me of a simple way to select points (x,y coordinates) that fall within a polygon. I've got a set of polygons, each one defined by an arbitrary number of points, and several points inside each polygon. I know