[R-sig-Geo] Srings

[Denis Chabot]

Hi Roger,

I don't know what is happening, maybe a mismatch of some packages  
from my R2.1 (old) install and my new R2.2 install, but I'm having  
problems with function

asSpatialRingsShapes

that was used in the method you developed to import shapefiles into  
files that are compatible with PBSmapping. The problem is not with  
the functions you wrote for me, actually, but with a function that is  
part of maptools. This is actually part of the example given in the  
help file for asSpatialRingsShapes. R chokes on Sring:

 > library(maptools)
 > nc.shp <- read.shape(system.file("shapes/sids.shp",  
package="maptools")[1])
Shapefile type: Polygon, (5), # of Shapes: 100
 > nc1 <- asSpatialRingsShapes(nc.shp$Shapes, as.character(nc.shp 
$att.data$FIPS))
Erreur : impossible de trouver la fonction "Sring"


Do others have problems with this function?

Sincerely,

Denis