On 20/06/2012 13:09, J22lill wrote:
I have to convert lines into points using  the v.to.points command, but it
doesn't succeed. Also, I am not particularly familiar with GRASS yet. 

I always got the same error:
/v.to.points input=gr_ne_water_clip_lines@Kodutoo2 type=line llayer=1
"output=C:/Documents and Settings/Kasutaja/My Documents/Dropbox/EMU
PhD/EpiNOVA GIS/Assignments/Kodutöö2/kodutöö
vol2/vietnam_ne_water_linestopoints.shp" dmax=100 -v
Illegal filename. Character  not allowed.

Illegal vector map name . Character ':' not allowed.
As the error says, you can't have the ':' in the path name.
Try output="\Documents and Settings\Kasutaha\...." without the c:

Also two more comments-

You have the output name ending in .shp. This will NOT create a shapefile. You are creating a GRASS vector named "vietnam_ne_water_linestopoints.shp". You will then have to use the module v.out.ogr to export the GRASS vector to a shapefile

Also, it seems you have the LOCATION and MAPSET as names with "special" characters "öö". That might be asking for trouble. Sometimes it will work, sometimes maybe not...
I usually try to keep my grassdata directory with no spaces or special characters anywhere in the path. Might be overly cautious, but directory name errors are sometimes hard to find.
--
Micha

Output vector map name is not valid map name
Finished with error/

Can somebody help me? 

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-- 
Micha Silver
052-3665918
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