[ptx] hugin 20031124, 360 degree panorama: how to get rid of the curvature?

[Sebastian]

Hi Bruno and list,


On Sat, Dec 06, 2003 at 02:10:38PM +0000, Bruno Postle wrote:

> > The hugin panorama wizard says I should add some horizontal/vertical
> > lines, which I did, but still its bend. I then tried to not stitch the
> > leftmost and the rightmost picture together, which yields a much lower
> > average distance for optimization and reduces the bending somewhat, but
> > still its quite curved.
 
> Possibly the value for horizontal field-of-view isn't accurate.  Have you
> calculated the field-of-view of your lens? (hugin reads this value from
> the EXIF data written by the camera, but it isn't always correct)
 
Following your advice, I retrieved the correct FOV for my camera (Sony DSC
P-10), which has an "equivalent focal length" of 38mm for the pictures I
took. That results in an angle of around 48 degrees. Previously I used 40.
This change helps a bit.


> You could try the full circle of 11 pictures again and optimize "Positions
> and View (y,p,r,v)" instead of "Positions (y,p,r)".

Indeed that did solve almost all my problems! This is it! :)

Now, I just have minor issues with colors and ugly visible boundaries, but I
guess thats another question. The main problem is solved, thanks!


> Bruno

ciao,
Sebastian

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