[GRASS-dev] image rectification from command line only ?

[Nicolas MERLET]

So that's what I'll do. I let you know if I'm successful.
Thank you so much. Have a nice day.

Nicolas 

 

> -----Original Message-----
> From: Michael Barton [mailto:michael.barton at asu.edu] 
> Sent: Tuesday, March 04, 2008 7:59 PM
> To: Nicolas MERLET
> Cc: grass-dev at lists.osgeo.org
> Subject: Re: [GRASS-dev] image rectification from command line only ?
> 
> I don't know of any documentation for this. I guess just look at  
> existing examples. Perhaps make a test case and rectify them in.  
> That's what I did when working out the format for the GUI 
> versions of  
> this. You'll have to make a group and put the file into the group  
> folder.
> 
> Michael
> ______________________________
> Michael Barton, Professor
> Professor of Anthropology
> Director of Graduate Studies
> School of Human Diversity & Social Change
> Center for Social Dynamics & Complexity
> Arizona State University
> Tempe, AZ  85287-2402
> USA
> 
> voice: 480-965-6262; fax: 480-965-7671
> www: http://www.public.asu.edu/~cmbarton
> 
> On Mar 4, 2008, at 11:32 AM, Nicolas MERLET wrote:
> 
> >
> >
> >> -----Original Message-----
> >> From: grass-dev-bounces at lists.osgeo.org
> >> [mailto:grass-dev-bounces at lists.osgeo.org] On Behalf Of Michael  
> >> Barton
> >> Sent: Tuesday, March 04, 2008 6:38 PM
> >> To: grass-dev at lists.osgeo.org
> >> Subject: Re: [GRASS-dev] image rectification from command 
> line only ?
> >>
> >>
> >>
> >> On Mar 4, 2008, at 10:00 AM, 
> grass-dev-request at lists.osgeo.org wrote:
> >>
> >>> Date: Tue, 4 Mar 2008 17:04:27 +0100
> >>> From: "Nicolas MERLET" <admin at merletn.org>
> >>> Subject: [GRASS-dev] image rectification from command line only ?
> >>> To: <grass-dev at lists.osgeo.org>
> >>> Message-ID: <018801c87e11$6d0d9690$6642000a at NICOLAS>
> >>> Content-Type: text/plain;	charset="us-ascii"
> >>>
> >>>
> >>> hi all,
> >>>
> >>> i need to rectify an image automatically (i assume using
> >> i.points and
> >>> i.rectify). as far as i've been able to see, i.points is to use in
> >>> graphical
> >>> monitor mode ? so does anyone know how to use it from the command
> >>> line (and
> >>> only from the command line) ?
> >>>
> >>> thanks for helping...
> >>>
> >>> nicolas
> >>
> >> i.points lets a user interactively set ground control points (GCPs)
> >> for an unrectified image, using a rectified image. This particular
> >> process cannot be automated since it is interactive by definition.
> >>
> >> However, if you already know the ground coordinates of a set of xy
> >> points for an image, you can build a POINTS file and i.rectify will
> >> georectify the image from the command line.
> >>
> >> Michael
> >>
> >
> > that would be enough as my GCP are pre-calculated. however 
> i haven't  
> > found
> > any documentation about the POINTS files structure. where 
> can i find  
> > it ? (i
> > just have http://grass.itc.it/gdp/html_grass63/i.rectify.html)
> >
> > moreover, assuming we use i.rectify there's no paramater to give  
> > points, so
> > i suppose i just have to copy my POINT file in my image 
> group so that
> > i.rectify will be able to find it ?
> >
> > again, thank you very much for helping !
> >
> > Nicolas
> >
> >
> >
> >
> >
> >
> 
>