[GRASSLIST:7064] Re: i.ortho photo help

[Markus Neteler]

On Mon, Jun 06, 2005 at 08:11:33PM +0200, Luca Penasa wrote:
> Hi everybody... i need some help.
> 
> im going to rectify some ortho photos but i dont have the calibration 
> report of the camera. Clifford J. Mugnier (thanks) said me that the 
> camera that was used to take the photos is a "WILD Heerbrugg camera made 
> in Switzerlan". I really dont have the time to ask for the report that i 
> need but i want to try to rectify the photos anyway.

To obtain a good results it's recommended to get this report.
Even google/whatever can help...

> Somebody said me 
> that on the Markus's book there is a section about the matter but i 
> neither have the time to find that book 

Here you can find it:

 - any (online) bookshop
 - http://mpa.itc.it/grassbook2/

> (i need to finish the work im 
> doing as soon as possible). I only have the focus leght of the camera. I 
> also have the DTM to use for rectify. Particullary i dont have 
> coordinates of the fiducials marks that are required by the command 
> i.ortho.photo, i want to try to rectify the images anyway. Is there a 
> way to do that? Is there the possibility to use a similar report? is 
> there anybody that can send me a similar camera calibration report? Is 
> there a "place" where i can find sample information to use?

What's the name/number of the camera?

> At the moment for me is not really important the accuracy of the work, i 
> only need to finish it. How can i do?
> thaks everybody for the help
> 
> Luca P.
>

Markus