[GRASS-dev] matplotlib example script

[Michael Barton]

I guess the mailbot stripped out my small attachments. So here are  
links for those of you interested

Script: http://www.public.asu.edu/~cmbarton/files/grass_scripts/histogram_mpldemo.py
Example output: http://www.public.asu.edu/~cmbarton/files/grass_scripts/myhistogram.png

Michael

On Jul 24, 2008, at 9:12 AM, <grass-dev-request at lists.osgeo.org> <grass-dev-request at lists.osgeo.org 
 > wrote:

> Date: Thu, 24 Jul 2008 09:12:41 -0700
> From: Michael Barton <michael.barton at asu.edu>
> Subject: [GRASS-dev] matplotlib example script
> To: grass developers <grass-dev at lists.osgeo.org>
> Message-ID: <E32185A6-9982-482A-9E3C-7E21D7F660E5 at asu.edu>
> Content-Type: text/plain; charset="us-ascii"
>
> I've attached an example script and output for using the MatPlotLib
> Python library in GRASS. This script replicates the functionality of
> d.histogram, but makes a much nicer looking plot. It also has more
> options, although I've included only a very few of the formatting
> possibilities here. The script sends the output from r.stats into 9
> lines of code to produce the histogram with formatting options. Most
> of it is done by 4 lines. This can be run from the command line and
> does not require a GUI to be installed. It writes to a PNG file, but
> could easily be set to create a TclTk or wxPython interactive window
> as a user-selectable option.
>
> The following command produces the attached histogram:
>
> histogram_mpldemo.py input=elevation.10m bins=25 output="/users/
> cmbarton/documents/myhistogram" fillcolor=20:20:200
>
> Maybe I'll try an xy graph of 2 maps/images with density plot options
> next.
>
> To run this, you need to install MatPlotLib <http://matplotlib.sourceforge.net/
>> , which requires Numpy <http://numpy.scipy.org/>. Both are
> installable as binary eggs via the Python easy_install package manager
> or from most Linux package managers. Of course you need Python too.
>
> Enjoy
> Michael
> ____________________
> C. Michael Barton, Professor of Anthropology
> Director of Graduate Studies
> School of Human Evolution & Social Change
> Center for Social Dynamics & Complexity
> Arizona State University
>
> Phone: 480-965-6262
> Fax: 480-965-7671
> www: <www.public.asu.edu/~cmbarton>