On Jan 3, 2009, at 6:47 AM, <[email protected]> wrote:
Date: Sat, 3 Jan 2009 07:43:17 +0100
From: "Markus Neteler" <[email protected]>
Subject: Re: [GRASS-user] Display thematic vector map - WinGRASS 6.3
(Vista)
To: "Ken Brookes" <[email protected]>
Cc: Grass GIS Users List WinGRASS User <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
On Fri, Jan 2, 2009 at 10:03 PM, Ken Brookes
<[email protected]> 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
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