[R-sig-Geo] Import .gz-File

[Roger Bivand]

On Mon, 14 Jun 2010, Siber Rosi wrote:

> Dear all, Is it possible to import Esri ascii files which are compressed 
> in a .gz file direct to R?  My example : 111212.asc in an .gz File I 
> thought there might be a similar command as the "zip.file.extract"- 
> command.  I tried the "gzfile" command, but it did not work. Do you have 
> any suggestions?

The readGDAL command in rgdal needs a file, I believe, as also does 
readAsciiGrid() in maptools. The header is part of the same file, so it 
needs to be read in different ways, first to get the metadata, then to 
read the data.

Roger

> Thank you very much in advance.
> Best wishes, Rosi
>
>
> ???
> Rosi Siber
> Swiss Federal Institute of Aquatic Science and Technology (Eawag)
> Siam
> Ueberlandstrasse 133
> 8600 Duebendorf
> Switzerland
> Phone: +41 (0)44 823 5566
> Fax:   +41 (0)44 823 5375
> rosi.siber at eawag.ch
> http://www.eawag.ch/~siberros
>
>
>
>
>
>
> 	[[alternative HTML version deleted]]
>
>

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no