[GRASS-user] Display thematic vector map - WinGRASS 6.3 (Vista)

[Michael Barton]

On Jan 3, 2009, at 6:47 AM, <grass-user-request at lists.osgeo.org> wrote:

> Date: Sat, 3 Jan 2009 07:43:17 +0100
> From: "Markus Neteler" <neteler at osgeo.org>
> Subject: Re: [GRASS-user] Display thematic vector map - WinGRASS 6.3
> 	(Vista)
> To: "Ken Brookes" <ken_brookes at hotmail.com>
> Cc: Grass GIS Users List WinGRASS User <grass-user at lists.osgeo.org>
> Message-ID:
> 	<86782b610901022243o54070b91q3a5802660186b5b0 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Fri, Jan 2, 2009 at 10:03 PM, Ken Brookes  
> <ken_brookes at hotmail.com> wrote:
>>
>> Hello
>>
>> I'm a GRASS GIS novice and have recently downloaded and successfully
>> installed GRASS 6.3.0 directly onto MS-Windows Vista. I have been  
>> playing
>> with the GIS manager GUI and have run into a problem trying to create
>> thematic Vector maps and display them in the map display. I am  
>> using the
>> North Carolina data set (example data set provided) and a variety  
>> of vector
>> maps to try and create graduated color, point and line maps to get  
>> a feel of
>> how it works. I have been adding the thematic layer and specifying  
>> all the
>> parameters correctly in the GUI. The actual binning of the numeric  
>> data is
>> occurring properly because a new window will pop-up with the correct
>> legend for the parameters specified, however nothing will display  
>> in the map
>> display window. I do get a message in the command line shell saying  
>> "No such
>> monitor exists 'PNG' ". I've tried to run d.vect.thematic through the
>> command line shell and get an error saying "must open display  
>> monitor". I'm
>> not sure what the problem is. Can anyone help?
>
> The problem is that winGRASS does not support X or PNG monitors.
> The solution is the new Python based user interface.
> I am not sure if there is a d.vect.thematic equivalent already (we are
> preparing 6.4.0 these days) which work on Windows since I am no
> Windows user.
> I hope you get the answer from another group member.
>
> Markus

GRASS does support PNG monitors in winGRASS (or the TclTk canvas  
wouldn't work). There was a bug that caused problems with winGRASS and  
thematic mapping last Spring. I don't remember what it was, but  
thought it was fixed. What is the compile date of your version of  
GRASS 6.3?

Michael