Re: [R-sig-Geo] spTransform() error : "load package rgdal for spTransform methods"

2014-08-06 Thread Michael Sumner
It's an ill-targeted error message. But, you aren't supposed to reproject a SpatialGrid, both because sp/rgdal cannot do that without low-level usage and since it's really an empty container (that can be a SpatialGridDataFrame) Use raster::projectRaster after conversion to raster objects (or proba

Re: [R-sig-Geo] spTransform() error : "load package rgdal for spTransform methods"

2014-08-06 Thread Roger Bivand
On Wed, 6 Aug 2014, Remi Genevest wrote: Hi, I am facing a recurrent problem associated with spTransform() function from rgdal package. While I try to change the CRS of a SpatialGrid, I get the following error : Error in spTransform(grd, CRS("+init=epsg:3857")) : load package rgdal for spTrans

[R-sig-Geo] spTransform() error : "load package rgdal for spTransform methods"

2014-08-06 Thread Remi Genevest
Hi, I am facing a recurrent problem associated with spTransform() function from rgdal package. While I try to change the CRS of a SpatialGrid, I get the following error : Error in spTransform(grd, CRS("+init=epsg:3857")) : load package rgdal for spTransform methods Does anybody know how to so