subject:"\[R\] index polygons"

Re: [R] index polygons

2014-03-27 Thread Frede Aakmann Tøgersen

Perhaps have a look at the sp package and especially the over function. Br. Frede Sendt fra Samsung mobil Oprindelig meddelelse Fra: Leonid Shvartser Dato:27/03/2014 20.27 (GMT+01:00) Til: r-help@r-project.org Emne: [R] index polygons Hello, I need to compare a polygon with

[R] index polygons

2014-03-27 Thread Leonid Shvartser

Hello, I need to compare a polygon with a set of other polygons. I'd like to index polygons with a grid in order not to compare definitely distant ones. How can I do this? I need 1. Transform polygons to cells 2. Find cell neighbors (defined cell distance) for a polygon Thanks Leoni