[GRASS-dev] Re: gis.m, thematic layer: You must open a display monitor

[Michael Barton]

There should be a flag to send output to the gis manager. This flag should
cause this conditional to be skipped.

Michael


On 2/13/07 7:58 AM, "Moritz Lennert" <mlennert at club.worldonline.be> wrote:

> On 13/02/07 15:29, Michael Barton wrote:
>> I have no idea. Perhaps I'm imagining things, but I swear that I'm seeing a
>> LOT more of these messages recently--with their deleterious effects on
>> scripting. Hamish says they've been there all along. I'm suspecting that the
>> code for the message has existed, but they did not get parsed for some
>> reason. But that is just speculation.
> 
> Well in this case, there is a change by Daniel dated Jan. 28 which might
> be linked:
> 
> - Added quotes in occurences of 'if [ -z "$var" ]'
> 
> But reverting back to no quotes gives the same error message.
> 
> Looking at the logic, I don't actually understand how this worked
> before. As I said, IIUC the x-mon test seems to be done whether you are
> using GIS Manager or not. But under GIS Manager there should be no x-mon...
> 
> Conditonalising the check as follows:
> 
> if [ "$GIS_FLAG_S"  -eq 0 ] ; then
>    if [ -z "$currmon" ] ; then
>          echo ""
>          echo "*** You must open a display monitor ***"
>          echo ""
>          cleanup
>          exit 2
>    fi
> fi
> 
> makes the error message go away, but I get a new one:
> 
> Usage:  /usr/lib/grass/etc/mon.select monitor_name
> 
> This time, however, the map and legend are displayed correctly (without
> the "fix" only the legend is displayed). I can get this second error
> message to go away by commenting line 862:
> 
> #               d.mon select=$currmon
> 
> This comes from the fact that $currmon is empty in GIS Manager. Again, I
> don't understand why we have to deal with d.mon here if we are in the
> GIS Manager...and why this did not cause any problems before.
> 
> Moritz
> 
> 
>> 
>> Michael
>> 
>> 
>> On 2/13/07 6:19 AM, "Moritz Lennert" <mlennert at club.worldonline.be> wrote:
>> 
>>> Michael,
>>> 
>>> I am seeing a new error for d.vect.thematic. Trying to display a
>>> thematic layer fails with the message: *** You must open a display
>>> monitor ***
>>> 
>>> I can reproduce this with any spearfish vector layer.
>>> 
>>> The problem seems to be in lines 336-345 where it checks for the
>>> existance of an x-monitor. It seems to do this unconditionally, so even
>>> if you run it from the GIS Manager it still checks and fails if there is
>>> not monitor.
>>> 
>>> I can't find anything recent in the commit logs that would explain this,
>>> so before trying to go deeper into it, I wanted to know if you had an
>>> idea why this is suddenly happening.
>>> 
>>> Moritz
>> 
>> __________________________________________
>> Michael Barton, Professor of Anthropology
>> School of Human Evolution & Social Change
>> Center for Social Dynamics & Complexity
>> Arizona State University
>> 
>> phone: 480-965-6213
>> fax: 480-965-7671
>> www: http://www.public.asu.edu/~cmbarton
>> 
>> 
> 

__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics & Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton