Re: [R-sig-Geo] adjacent polygons

2011-10-11 Thread Facundo Muñoz
That (vect2neigh) worked beautifully. Thanks a lot! ƒacu.- PD: Lengths seem to be divided by 1000... curious... El 10/10/11 16:08, Roger Bivand escribió: On Mon, 10 Oct 2011, Facundo Muñoz wrote: Hi people, I have a shapefile of polygons (buildings), and I would like to calculate,

Re: [R-sig-Geo] adjacent polygons

2011-10-10 Thread hi_ono2001
Hello. You can also create this by using OpenJump(http://openjump.org)'s "planar graph" with some steps, and save results as DBase file although OJ, running on Java runtime, is difficult in liking with R dynamically. Regards. --- On Tue, 2011/10/11, Roger Bivand wrote: > On Mon, 10 Oct 2

Re: [R-sig-Geo] adjacent polygons

2011-10-10 Thread Roger Bivand
On Mon, 10 Oct 2011, Facundo Muñoz wrote: Hi people, I have a shapefile of polygons (buildings), and I would like to calculate, for each one, the length of the shared border with some other building. Or, conversely, how much of its border is 'exterior'. I can't figure out how to extract that

[R-sig-Geo] adjacent polygons

2011-10-10 Thread Facundo Muñoz
Hi people, I have a shapefile of polygons (buildings), and I would like to calculate, for each one, the length of the shared border with some other building. Or, conversely, how much of its border is 'exterior'. I can't figure out how to extract that info. Any idea? Thanks. ƒacu.-