[GRASS-user] Re: [winGRASS] winGRASS 6.2.2 and 6.3.cvs

Glynn Clements glynn at gclements.plus.com
Thu Aug 16 20:59:44 EDT 2007

Luigi Ponti wrote:

> >> Dear list,
> >>
> >> On my MS Window XP machine, I have:
> >> - Cygwin GRASS 6.1.cvs (last Huidae Cho's version);
> >> - Cygwin GRASS 6.2.2-1 (18-Jul-2007);
> >> - Native winGRASS 6.3.cvs (wingrass63_cvs20070801, 01-Aug-2007).
> >>
> >> Some observations:
> >>
> >> The three do not interfere with each other, except for the native 
> >> winGRASS 6.3.cvs that needs to reset GISDBASE: in ~/.grassrc6 to an 
> >> absolute path at startup (c:\cygwin\home\$USER\ as opposed to 
> >> \home\$USER\ which is enough for Cygwin): next time you use a Cygwin 
> >> version, it complains that it does not find the database folder (and 
> >> vice versa when you use start the native version after a Cygwin/GRASS 
> >> session). I understand one is very likely to survive this inconvenience, 
> >> but is there a way around it?
> >>     
> >
> > Use different values of $HOME for Cygwin and Windows.
> My Windows $HOME has been set to "C:\cygwin\home\user" via the Windows 
> control panel.

That's probably not a good idea. The stuff in C:\cygwin isn't
meaningful to non-Cygwin programs.

> I would not know how to set $HOME to a different value 
> for Cygwin ("/home/user/"? This is the value I enter manually when I 
> start Cygwin/GRASS after a native winGRASS session -- because it cannot 
> find "C:\cygwin\home\user" ). I tried setting &HOME in Cygwin via 
> .bashrc but it did not work.

Cygwin's $HOME *should* be /home/<user>, although you can change it in

> The fact is that when GRASS starts up, it 
> seems to look into GISDBASE value written in ~/.grassrc6 during the last 
> session.

Correct. As Cygwin and Windows use different syntax for pathnames, one
~/.grassrc6 file won't work for both.

Glynn Clements <glynn at gclements.plus.com>

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