Re: [R-sig-Geo] R Raster to ArcGIS

2008-07-29 Thread Roger Bivand
On Tue, 29 Jul 2008, Guy Serbin wrote: Hi list, I'm going to borrow what I just learned from my other thread. I'd export your raster data as an ENVI file, which ArcGIS should be able to read with the ENVI Reader for ArcGIS installed. 1. Go to www.ittvis.com and download the appropriate versio

Re: [R-sig-Geo] R Raster to ArcGIS

2008-07-29 Thread Guy Serbin
Hi list, I'm going to borrow what I just learned from my other thread. I'd export your raster data as an ENVI file, which ArcGIS should be able to read with the ENVI Reader for ArcGIS installed. 1. Go to www.ittvis.com and download the appropriate version of the ENVI Reader for ArcGIS (1.1 for A

Re: [R-sig-Geo] R Raster to ArcGIS

2008-07-29 Thread Ashton Shortridge
Hi Matt (and list), ArcGIS still (as far as I know) doesn't work with rectangular cells. This isn't a problem with the AsciitoGrid function, but I think is more fundamentally a problem with Arc's raster data structure. The trick to getting around this may be to convert your matrix to a point o

[R-sig-Geo] R Raster to ArcGIS

2008-07-29 Thread Matt . Farnsworth
Dear list, I'm trying to bring an ASCII raster file into ArcGIS that resulted from calling the R function Tsp(), which is in the "fields" library, followed by the use of the function predict.surface() to generate the matrix of predicted values. These functions use many of the same inputs as the