Re: [R] extracting slot coords from a Polygons class object

2015-04-09 Thread Monica Pisica
:56 -0400 Subject: Re: [R] extracting slot coords from a Polygons class object From: sarah.gos...@gmail.com To: pisican...@hotmail.com CC: r-help@r-project.org You didn't parse the output you pasted in correctly: pt1.cpoly@polygons[[1]]@Polygons[[1]]@coords or coordinates(pt1.cpoly

Re: [R] extracting slot coords from a Polygons class object

2015-04-09 Thread Michael Sumner
Subject: Re: [R] extracting slot coords from a Polygons class object From: sarah.gos...@gmail.com To: pisican...@hotmail.com CC: r-help@r-project.org You didn't parse the output you pasted in correctly: pt1.cpoly@polygons[[1]]@Polygons[[1]]@coords or coordinates(pt1.cpoly

[R] extracting slot coords from a Polygons class object

2015-04-08 Thread Monica Pisica
Hi, I am struggling to extract the polygon vertices from a list of an object class Polygons, specifically the slot coords. I have a point, and i draw a buffer around with gBuffer, i am extracting the polygon form the SpatialPolygons class and i end up with a list of 1 one object

Re: [R] extracting slot coords from a Polygons class object

2015-04-08 Thread Sarah Goslee
You didn't parse the output you pasted in correctly: pt1.cpoly@polygons[[1]]@Polygons[[1]]@coords or coordinates(pt1.cpoly@polygons[[1]]@Polygons[[1]]) class(pt1.cpoly) [1] SpatialPolygons attr(,package) [1] sp So see ?SpatialPolygons-class for details. Sarah On Wed, Apr 8, 2015 at 5:07

Re: [R] extracting slot coords from a Polygons class object

2015-04-08 Thread MacQueen, Don
It would be better to ask this question on r-sig-geo. More people there are more familiar with the structure of Spatial{*} classes. -Don -- Don MacQueen Lawrence Livermore National Laboratory 7000 East Ave., L-627 Livermore, CA 94550 925-423-1062 On 4/8/15, 2:07 PM, Monica Pisica