[GRASS-user] Raster maps not found

[Glynn Clements]

Daniel Lee wrote:

> I've just moved a lot of data that we're working on onto a NAS server so
> that two computers could chew up the same data simultaneously. After moving
> everything onto the server, I copied the relevant data to the local hard
> drive of the computer that should be doing the analysis. On the other
> computer it seems to work fine, although the data was originally produced on
> that computer so perhaps that's part of the problem. Anyway, when I try to
> start r.sun for example on the other computer, GRASS complains that it can't
> find the data. The error says:
> 
> Unable to find
> '/home/lee/Documents/GRASS_Data/Hayward/StudyAreaTopography/cell_misc/horizon_143/f_format'

Does that file exist? Is it readable by the user running GRASS?

> Any idea why this is going on? I copied the stuff straight over without
> modifying it in any way.

Copying the stuff "straight over" doesn't mean that it doesn't get
modified. Particularly if you're using a FAT/NTFS-based NAS with a
Unix system, as filename case and/or permissions may be lost in the
copy.

-- 
Glynn Clements <glynn at gclements.plus.com>