Re: [R-sig-Geo] installing spdep

2010-06-10 Thread Johan Van de Wauw
I recommend installing the r-base-dev package. That will install liblapack-dev and a number of other development packages which are needed to compile the the most common R- packages. On Wed, Jun 9, 2010 at 9:36 PM, Edzer Pebesma edzer.pebe...@uni-muenster.de wrote: package liblapack-dev might

Re: [R-sig-Geo] Plot categorical data from SpatialPolygonsDataFrame in color with label: plot() vs spplot()

2010-06-10 Thread Barry Rowlingson
On Thu, Jun 10, 2010 at 10:47 AM, christiaan pauw cjp...@gmail.com wrote: Hi everybody I have a town map with a polygon for every individual stand. I have interview data in a SpatialPolygonsDataFrame (SPDF) for some of them. Now I want to print a map in pdf (as large as A0 !)  that displays:

Re: [R-sig-Geo] How to extract coordinates values from a shapefile?

2010-06-10 Thread Paul Hiemstra
On 06/09/2010 11:01 PM, Dylan Beaudette wrote: On Wednesday 09 June 2010, Hadley Wickham wrote: On Wed, Jun 9, 2010 at 3:24 PM, Edzer Pebesma edzer.pebe...@uni-muenster.de wrote: The example provided by Matt assumes that each polygon consists of a single ring, and doesn't have

[R-sig-Geo] Doubt about the local moran - spdep

2010-06-10 Thread Everton Emanuel
Dear all, I am doing spatial analysis using the r-code local moran from the library spdep. After employing some tests it comes to me that you can use 3 kinds of alternative tests in the code, namely: one of greater, two.sided e less, each giving distinct results for the p-values statistic. I know

[R-sig-Geo] rotate label in plot based on polygon shape

2010-06-10 Thread christiaan pauw
Hi everybody Is it possible, when plotting a SPDF to rotate the label in a polygon based on the shape of the polygon. I want the greatest possible length in which to print the label and don't mind reading upside down as long as the label is readable. I am printing a map consisting of tens of

[R-sig-Geo] libproj errors

2010-06-10 Thread Dave Roberts
Friends, I recently became a GRASS convert. I have been an R user for a long time, so naturally I have tried spgrass6. Unfortunately I have yet to get it to work. The beginning goes well library(spgrass6) Loading required package: sp Loading required package: rgdal Geospatial Data

[R-sig-Geo] Rcartogram from omegahat

2010-06-10 Thread Erich Neuwirth
The package Rcartogram available from omegahat cannot be installed with the standard R CMD INSTALL Rcartogram on Windows. It needs libfftw3. There is a binary version of the package on the site, but only for R 2.9. Does anybody have a version of this package for R 2.11 on Windows, or does anybody

Re: [R-sig-Geo] libproj errors

2010-06-10 Thread Roger Bivand
On Thu, 10 Jun 2010, Dave Roberts wrote: Friends, I recently became a GRASS convert. I have been an R user for a long time, so naturally I have tried spgrass6. Unfortunately I have yet to get it to work. The beginning goes well From the versions, it looks at though everything is rather

Re: [R-sig-Geo] rotate label in plot based on polygon shape

2010-06-10 Thread Roger Bivand
On Thu, 10 Jun 2010, christiaan pauw wrote: Hi everybody Is it possible, when plotting a SPDF to rotate the label in a polygon based on the shape of the polygon. I want the greatest possible length in which to print the label and don't mind reading upside down as long as the label is

[R-sig-Geo] How to locate local minima points on a Krige-fitted surface?

2010-06-10 Thread v v
Hi, I am using the 'fields' package to conduct Kriging interpolation on my dataset. I have managed to generate the 3-dimensional surface plot of the Krige-fitted surface. There are several local minima points on the surface. My main interest is to pinpoint the exact x-y coordinates of the