[GRASS-dev] Re: georectifier fixes

[Michael Barton]

It sounds like you just need to put it back the way it was before. That is,
put the "catch {exec -- $cmd}" back in.

Using the "catch" statement traps this annoying error message.

Do you need the --ui flag?

Michael


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

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


> From: Otto Dassau <otto.dassau at gmx.de>
> Date: Thu, 2 Nov 2006 19:40:48 +0100
> To: Michael Barton <michael.barton at asu.edu>
> Cc: Hamish <hamish_nospam at yahoo.com>, <grass-dev at grass.itc.it>
> Subject: Re: georectifier fixes
> 
> On Thu, 02 Nov 2006 06:22:56 -0700
> Michael Barton <michael.barton at asu.edu> wrote:
> 
>> I'm a bit confused. Could clarify the following.
> 
> Hi, 
> 
>> 1. Did the new georect.tcl work -- the one in the 6.3 head? This one
>> *should* switch to the source mapset, run i.group, and wait until you're
>> done before switching back to the target mapset.
> 
> yes, it works in the 6.3 head here. I rectified a map this morning using the
> georectifier in 6.3 head.
> 
>> 2. If it did not work, did you get the following error with the newest
>> georect.tcl?
>> Error: Parameter <group> not set:
>> This is an i.group error that suggests this grass command failed for some
>> reason
>> 
>> 3. If the newest version (i.e., in the 6.3 head) works with adding the --ui
>> switch, that's fantastic. But I need to know if that actually fixes it for
>> you guys or if it was already fixed without this.
> 
> the i.group window opens, but when I close the "error" message below appears,
> but I can still go on rectiifying.
> 
> child process exited abnormally
> child process exited abnormally
>      while executing
>  "exec -- $cmd --ui"
>      (procedure "GRMap::group" line 17)
>      invoked from within
>  "GRMap::group"
>      ("uplevel" body line 1)
>      invoked from within
>  "uplevel \#0 $cmd"
>      (procedure "Button::_release" line 18)
>      invoked from within
>  "Button::_release .grstart.mf.frame.group.a"
>      (command bound to event)
>  and set GCPs
> 
> is it clearer now?
> 
> regards,
>  Otto
> 
> PS: currently I am only online from time to time - sorry.
> 
>>> works:
> 
>> MIchael
>> __________________________________________
>> 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
>> 
>> 
>> 
>>> From: Otto Dassau <otto.dassau at gmx.de>
>>> Date: Thu, 2 Nov 2006 10:11:33 +0100
>>> To: Hamish <hamish_nospam at yahoo.com>
>>> Cc: <michael.barton at asu.edu>, <grass-dev at grass.itc.it>
>>> Subject: Re: georectifier fixes
>>> 
>>> On Thu, 2 Nov 2006 21:11:25 +1300
>>> Hamish <hamish_nospam at yahoo.com> wrote:
>>> 
>>>> Otto Dassau wrote:
>>>>> 
>>>>> changing line 347 as proposed by Michael in
>>>>> $GISBASE/etc/gm/georect.tcl
>>>>> 
>>>>> #    catch {exec -- $cmd}
>>>>> exec -- $cmd
>>>>> 
>>>>> sais sth. like:
>>>>> 
>>>>> Error: Parameter <group> not set:
>>>>> 
>>>>> maybe this helps: In GRASS 6.2.0RC3 it worked.
>>>> 
>>>> 
>>>> try 
>>>> 
>>>> exec -- $cmd --ui
>>>> 
>>>> to force GUI mode.
>>> 
>>> now it works. Clicking on the edit/create button opens the i.group window.
>>> 
>>>> but is that running in current mapset (wrong) or switched to target
>>>> mapset (correct)?
>>> 
>>> what do you mean here, it is running in current mapset. I list my procedure,
>>> maybe I missunderstand:
>>> 
>>> - I start GRASS in spearfish/PERMANENT
>>> - I Import a not geocoded map (topographic map)
>>> - I start georectifier
>>> - I choose mapset PERMANENT
>>> - I choose a new group and the map I want to rectify
>>> - When I close the i.group window following message appears, but it still
>>> works:
>>> 
>>> child process exited abnormally
>>> child process exited abnormally
>>>     while executing
>>> "exec -- $cmd --ui"
>>>     (procedure "GRMap::group" line 17)
>>>     invoked from within
>>> "GRMap::group"
>>>     ("uplevel" body line 1)
>>>     invoked from within
>>> "uplevel \#0 $cmd"
>>>     (procedure "Button::_release" line 18)
>>>     invoked from within
>>> "Button::_release .grstart.mf.frame.group.a"
>>>     (command bound to event)
>>> and set GCPs
>>> 
>>> - Then I select the group a just created
>>> - I select the map to rectify
>>> - I start to set my GCPs and rectify.
>>> - The result is ok and in stored the current mapset PERMANENT.
>>> 
>>> 
>>> BTW: Is it intended that there are two ways to use the module?
>>> 
>>> a) I set GCPs and fill in the appropriate coordinates in the 2nd column
>>> manually. 
>>> b) I set GCPs and fill in the appropriate coordinates interactively opening
> a
>>> second monitor with a reference map where I click in the map to find
>>> the right coordinates. The coordinates are inserted in the rectifier then...
>>> 
>>> regards,
>>>  Otto
>>> 
>>>> Hamish
>>>> 
>>> 
>> 
> 
> 
> -- 
>