Satelite image - i.ortho.photo

[Eric G . Miller]

On Wed, Oct 04, 2000 at 05:23:58PM +0100, Ivan Pobis wrote:
> Hi,
> 
>    I'm new user of grass so I would like to ask whether is possible to 
> use i.ortho.photo routine to ortho-rectifying satelite image. I don't 
> have a camera reference points and parameters of camera.

You might look at i.rectify[2|3] and i.points or i.vpoints for setting
up control points.  Relief displacement shouldn't be much of an issue
with satellite imagery, so the DEM and focal length corrections probably
aren't necessary.  

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