[GRASS-dev] Re: [GRASS-user] v.coordinate.sh - improve this script?

[Jachym Cepicky]

Hi,

Nikos Alexandris píše v Čt 24. 01. 2008 v 16:34 +0100:
> Michael,
> 
> thank you for these important details for new GRASS users (like me). On
> the web I have found some good resrources for bash scripting. Is there
> something for Python (for beginners) and maybe GRASS-oriented as well?
> 
> Thank you,
> 
> Nikos

just look at the manual page to g.parser:
 http://grass.osgeo.org/grass63/manuals/html63_user/g.parser.html

jachym

> 
> On Thu, 2008-01-24 at 08:28 -0700, Michael Barton wrote:
> > On Jan 24, 2008, at 6:52 AM, grass-user-request at lists.osgeo.org wrote:
> > 
> > > Date: Thu, 24 Jan 2008 05:12:03 -0800 (PST)
> > > From: "Gabriele N." <gis.gn at libero.it>
> > > Subject: [GRASS-user] v.coordinate.sh - improve this script?
> > > To: grass-user at lists.osgeo.org
> > > Message-ID: <15063748.post at talk.nabble.com>
> > > Content-Type: text/plain; charset=us-ascii
> > >
> > >
> > > Hi list.
> > > I made a script (attached) for the definition of interactive text file
> > > (containing the coordinates input and output) to be loaded later in
> > > v.transform.
> > >
> > > It is useful to write automatically coordinates in the text file.
> > >
> > > Operation is simple:
> > > - A load map (not georeference) and the map B (which may be raster or
> > > vector) and will open 2 monitor.
> > >
> > > - We need to move the first monitor to the side of the second monitor.
> > >
> > > - Proceed doing a zoom (if necessary) on the first monitor (A map)  
> > > and then
> > > identifying the input point (GCP) with one click. After this  
> > > transaction
> > > will be made to locate the point on the second monitor (B map).
> > > The pairs of points are identifying 4 (at least 4). For more points  
> > > see a
> > > graphic which will require to continue with the process or not.
> > >
> > > - After the inclusion of the points in your / home will be a text file
> > > 'coordinate.txt' formatted for use in v.transform.
> > >
> > >
> > > The script is certainly improved. For example viewing points  
> > > included (as eg
> > > in i.points on in d.path) or shifting automatically monitors or  
> > > using snap
> > > for the insertion points etc. ...
> > >
> > > I have no programming experience, and I hope that someone can help me
> > > improve.
> > >
> > > Gabriele
> > >
> > > PS
> > > Necessary installing xdialog and xmessage
> > > 		
> > > http://www.nabble.com/file/p15063748/v.coordinate.sh v.coordinate.sh
> > > -- 
> > > View this message in context: http://www.nabble.com/ 
> > > v.coordinate.sh---improve-this-script--tp15063748p15063748.html
> > > Sent from the Grass - Users mailing list archive at Nabble.com.
> > 
> > Gabriele,
> > 
> > It is good to learn scripting of some kind because it really expands  
> > the analytical capabilities of GRASS. However, I'm not sure why you  
> > are trying to create a bash script for interactive georectifying.
> > 
> > i.points already does with with xmonitors. However, this will not  
> > work on Windows because it doesn't support the underlying socket code  
> > for the monitor drivers.
> > 
> > The TclTk GUI already has a more sophisticated replacement for this  
> > function that works on all platforms.
> > 
> > Also, given issues (long known) that we've run into again with  
> > running bash scripts on Windows, I think that now is the time to  
> > begin to strongly encourage GRASS users and developers to try to  
> > begin shifting their scripting to a platform that works on all OS's.  
> > Since the new GUI will be in Python, I strongly suggest that we start  
> > developing new scripts in Python and for anyone with time on their  
> > hands ;-) start to create Python versions of existing scripts. The  
> > more scripts that are available in Python, the more people will make  
> > sure that Python is installed and will take a look at it, which will  
> > lead to more scripts in Python, etc...
> > 
> > Already, a Python script can pop up the same TclTk GUI that a bash  
> > script can, and has the option of popping up a wxPython GUI if this  
> > is installed.
> > 
> > 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>
> > _______________________________________________
> > grass-user mailing list
> > grass-user at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/grass-user
> _______________________________________________
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-- 
Jachym Cepicky
e-mail: jachym.cepicky at gmail.com
URL: http://les-ejk.cz
GPG: http://www.les-ejk.cz/pgp/jachym_cepicky-gpg.pub

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