[GRASSLIST:7568] Re: Synergy between Grass/Python/GMT

[Dylan Beaudette]

David,

I am extremely interested in any possible ways to streamline the 
GRASS-GMT workflow.

I have started documenting a BASH shell version of the process, but a 
python interface might be able to provide a tremendous amount of 
flexibility compared to BASH.

The website where this is documented is currently down (power outage 
while I was out in the field...), but I will try and have it back up in 
a couple hours. Please let me know about any future plans with this--

Cheers,

--
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341



On Jul 15, 2005, at 10:39 PM, David Finlayson wrote:

> I'd be happy to share it, but frankly it's pretty crude. I'd be
> embarrassed to foist this off as a good example of either Grass or
> Python (though maybe it is a good example of how flexible this
> combination is, even for light-weight programmers). The class simply
> wraps an interface around a few standard GRASS commands and captures
> the results (r.region for example). My dream is to write a real Python
> interface to the Grass programming interface, but that project is on
> hold until I finish my PhD.
>
> Is there a good place on the wiki for sharing scripts? When I get this
> GMT thing polished up I think it will be quite useful for folks who
> use GMT.
>
> David
>
>
> On 7/15/05, Stephan Holl <holl at gdf-hannover.de> wrote:
>> Hello David,
>>
>> On Fri, 15 Jul 2005 16:27:18 -0700 David Finlayson
>> <david.p.finlayson at gmail.com> wrote:
>>
>>> I've been working on a script to convert GRASS rasters directly into
>>> GMT plots in a single command. So far it converts the raster to GMT
>>> format, copies over the colormap and builds a simple graticule and
>>> scale bar. Works well.
>>>
>>> In the process of building this script, however, I discovered there 
>>> is
>>> some great synergy possible between IPython (the interactive python
>>> shell) and GRASS. Here is how it works:
>>>
>>> 1) Launch ipython from within your grass shell
>>> 2) import a simple class designed to work with rasters
>>> 3) BINGO! you've got full control of command line grass + full
>>> interactive Python abilities.
>>>
>>> The class I wrote for grass rasters contains a bunch of instance
>>> variables that hold basic info about the raster (resolution, bounding
>>> box, etc.) and some methods to ease interaction with Python, like a
>>> get_value(X, Y) method.
>>
>> Would you like to share the python class which you wrote for
>> raster-maps?
>> It would be nice having the class in CVS to make it possible for 
>> others
>> too?
>>
>>  Thanks for your comment
>>
>>         Stephan
>>
>> --
>>        ::ACHTUNG:: Neue Adresse und Telefonnummer ::ACHTUNG::
>>
>> GDF Hannover - Solutions for spatial data analysis and remote sensing
>> Hannover Office      -     Mengendamm 16d      -     D-30177 Hannover
>> Internet: www.gdf-hannover.de      -      Email: holl at gdf-hannover.de
>> Phone : ++49-(0)511.39088507       -        Fax: ++49-(0)511.39088508
>>
>
>
> -- 
> David Finlayson
> Marine Geology & Geophysics
> School of Oceanography
> Box 357940
> University of Washington
> Seattle, WA  98195-7940
> USA
>
> Office: Marine Sciences Building, Room 112
> Phone: (206) 616-9407
> Web: http://students.washington.edu/dfinlays
>
>
>