Hi All

I too find this tilting method somewhat awkward.  It seems the tilt is done by rotating around panocenter, which makes it necessary to translate the tile center back to where it belongs.

If the rotation were around the tile center instead, then no translation would be needed.  It is just a matter of setting the Z coordinate to 0 before rotating.

Regards, Tom

On Tue, Sep 22, 2009 at 7:19 AM, Pablo dAngelo <Pablo.dAngelo@web.de> wrote:
Hi all,

I'm still struggling to understand the geometric interpretation of the Tx,Ty,Tz angles and the Ts parameters.

I tried reading the source, but I'm now a little confused:

In SetMakeParam() the tiltInverse is added after the projection into the input image. That is,
the tiltInverse gets the image coordinates in the input image and transforms them into other
coordinates in the input image.
This seems strange, as the tile parameters are then dependent on the
projection of the input files. I thought they somehow contain information
where the camera is located with respect to the "master panorama camera".
This also means the they are hard to interpret as they do not have a physical
meaning.

ciao
 Pablo


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