On Monday, 19 February 2024 at 14:08:36 -0800, Graham Jantz wrote:
> Hi all, looking for some advice on running Hugin. I have a panorama of 83
> photos that I'm trying to stitch together but the resulting image it's
> giving me is a weird spiral shape. I used the assistant and went through
> adding control points to images the did not have them and this still came
> out.

Occasionally I get something like this, for reasons that I can't
understand.

My workaround, which works in 99% of the cases:  start with a very few
images and align them in the fast panorama preview window.  If the
partial result is good, save the .pto file.  Add another couple of
images, align again.  Save.  Continue until all images have been
aligned.

This is possibly not perfect.  I've recently become aware of the
--linearmatch option to cpfind.  The man page is vague, but my
understanding is that this causes cpfind to search for control points
only in adjacent images.  That might solve the problem, but it won't
work for multi-row panoramas.

> Also don't love that it tried to color correct some of the images.

This problem might go away by itself once the images are correctly
aligned.  But you can tell Hugin not to change the colours.

Greg
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