[GRASS-dev] Re: [GRASSGUI] New profiling module for wxgrass

[Michael Barton]

Do you have numeric, numarray, or numpy installed (and the proper one for
your Python version)? Also, does the Pyplot demo work for you?

Michael


On 5/21/07 10:25 PM, "Jachym Cepicky" <jachym.cepicky at gmail.com> wrote:

> Hi Michael,
> 
> it looks nice, but it does not seem to work for me. When I draw the
> profile and click on the "create profile" button, I get:
> 
>   File "/usr/src/gis/grass/addons/gui/gui_modules/profile.py", line 320,
> in CreateProfile
>     self.pline = plot.PolyLine(self.datalist, colour='blue', width=2,
> legend='Profile')
>   File
> "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/lib/plot.py",
> line 224, in __init__
>     PolyPoints.__init__(self, points, attr)
>   File
> "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/lib/plot.py",
> line 124, in __init__
>     self._points = _Numeric.array(points).astype(_Numeric.Float64)
> ValueError: matrices are not aligned for copy
> 
> Thanks for this effort
> 
> Jachym
> 
> Michael Barton píše v Po 21. 05. 2007 v 16:27 -0700:
>> Following up on the general gist of discussions about graphing, I
>> created a new profiling module for wxgrass using the plot module in
>> wxPython. Although the docs stated that it required numeric, numarray,
>> or numpy as a dependency, it was not clear during development if this
>> particular application of the plot module did indeed require this.
>> 
>> I've now tested it on another system and can verify that to run the
>> new profile module (profile.py) you'll need one of these dependent
>> modules (any will work). They are available from a variety of sources.
>> I'll try to get together a list and put it in the README if we want to
>> continue with this.
>> 
>> I will say that doing the profile with plot produced a very nice
>> result (I've attached a screenshot here) with about 1/3  of the code
>> I'd need to do it manually. It also makes it very easy to do other
>> simple graphs (mainly line and point graphs, though bar graphs are
>> also possible) with very little in the way of coding--built in save to
>> file, printing, zooming, dragging, scrolling, and log scales for
>> example.
>> 
>> Let me know what you think (after you've installed
>> numeric/numarray/numpy).
>> 
>> 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
>> _______________________________________________
>> grassgui mailing list
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__________________________________________
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