Date: Sat, 08 Nov 2008 23:56:49 +0100
   From: "J. Schneider" <[EMAIL PROTECTED]>

   Bart.van.Andel schrieb:
   >> most of the time hugin forms the panoramas
   >> totally wrong and on the preview i get all kinds of shapes and circles
   >> and diagonals
   > ...
   > I've had a problem recently which kind of sounds like what you're
   > trying to explain, I think. In my case, there were very nice control
   > points between the right images, but also some between images which
   > aren't adjacent at all. This caused Hugin to screw up the alignment
   > completely. After removing these wrong matches, the problem was
   > solved. It took quite a lot of effort to remove all these CPs by hand
   > though.

   This is one possibility. Another one is that the hfov is not exact
   enough. If you entered 38mm this might be just rounded. So let
   hugin optimize for hfov, maybe it works then. I've had this case
   several times.

My experience has been that using automatic control point generation
for typical outdoor panoramas is all but useless -- it picks a fair
number of seemingly random control points in the sky and clouds that
at best aren't very well aligned and at worst are completely incorrect
(from the wrong images).  So I wind up having to go through the table
and remove a significant fraction of the control points.  I don't know
what features it's seeing -- maybe sensor noise or something that just
happens to match up in a few places?

I'd rather see an assistant (or at least an option) with an interface
more like Fotoxx -- drag and drop the images into rough alignment.
This might speed up control point generation, since it would have to
search much smaller regions of the images.

Fotoxx itself has a lot of limitations; you have to place the images
left to right (so it can really only do strip panoramas), and it
doesn't offer nearly as much control as Hugin.  But the interface
makes it a lot easier to get started.

-- 
Robert Krawitz                                     <[EMAIL PROTECTED]>

Tall Clubs International  --  http://www.tall.org/ or 1-888-IM-TALL-2
Member of the League for Programming Freedom -- mail [EMAIL PROTECTED]
Project lead for Gutenprint   --    http://gimp-print.sourceforge.net

"Linux doesn't dictate how I work, I dictate how Linux works."
--Eric Crampton

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