Re: [R] Reading an ArcGIS raster file

From: Roger Bivand <Roger.Bivand_at_nhh.no>
Date: Sat, 05 Apr 2008 10:31:50 +0000 (UTC)

Liviu Andronic <landronimirc <at> gmail.com> writes:

>
> Hello,
>
> On Fri, Apr 4, 2008 at 8:09 PM, Martin Rittner <kmr <at> thegeologician.net>
wrote:
> > I don't know too much about R myself, but a little about ArcGIS:

Come on, please do use a little time to search! An RSiteSearch("Arc raster") gets you lots of hits on the R-sig-geo list, which has searchable archives.

The Spatial task view on CRAN links to the R-sig-geo list, and to the Rgeo website - it includes a section on "reading and writing spatial data", which provides plenty of leads. Reading Arc rasters is most readily done using GDAL drivers in the rgdal package, and once the raster has been accessed, it can be analysed at will, including rasters that are too big for ArcGIS to analyse (by using tiles).

>
> Doesn't grass [1] assure some kind of compatibility with ArcGIS, so as
> to provide you with a "readable" file? This page [2] may be of
> interest.

Grass 6 is interfaced with R using the spgrass6 package.

Roger

>
> Liviu
>
> [1] http://grass.itc.it/
> [2] http://grass.itc.it/intro/general.php
>
> ______________________________________________
>



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