[GRASS-dev] Re: gis.m: error message when trying to add layer without open map display

[Michael Barton]

Fixed in the cvs.

Michael


On 2/8/07 9:11 AM, "Moritz Lennert" <mlennert at club.worldonline.be> wrote:

> On 08/02/07 17:00, Michael Barton wrote:
>> Moritz,
>> 
>> I'll try to see what's going on with this. It probably has to do with the
>> necessary link between a layer tree and a display. A better error message
>> would likely be "You need to open a display before adding map layers"
> 
> yes, definitely better.
> 
> Thanks !
> 
> Moritz
> 
>> 
>> 
>> Michael
>> 
>> 
>> On 2/8/07 6:11 AM, "Moritz Lennert" <mlennert at club.worldonline.be> wrote:
>> 
>>> Michael,
>>> 
>>> Since you have been busy working on error catching in gis.m: I've always
>>> found that the error that occurs when you try to add a layer even though
>>> there is no open map display quite difficult to understand for newbies:
>>> 
>>> invalid command name ".mainframe.frame.pw1.f0.frame.pgs.fpage_1.sw.tree_1"
>>> invalid command name ".mainframe.frame.pw1.f0.frame.pgs.fpage_1.sw.tree_1"
>>>      while executing
>>> "$tree($mon) selection get"
>>>      (procedure "GmTree::add" line 11)
>>>      invoked from within
>>> "GmTree::add vector"
>>>      ("uplevel" body line 1)
>>>      invoked from within
>>> "uplevel \#0 $cmd"
>>>      (procedure "Button::_release" line 18)
>>>      invoked from within
>>> "Button::_release .mainframe.topf.tb0.bbox2.b0"
>>>      (command bound to event)
>>> 
>>> 
>>> Would it be possible to catch this and produce a nicer error message
>>> such as: "You need to open a map display first." ?
>>> 
>>> Moritz
>> 
>> __________________________________________
>> 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
>> 
> 

__________________________________________
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