On Monday, 4 June 2018 at 12:30:17 +1000, Greg 'groggy' Lehey wrote: > I've been having a strange issue with Hugin for some time now, and > I've traced it to a difference between the Microsoft and FreeBSD > versions. On the FreeBSD version, the control point detectors find no > control points at all between the first and last images of a circular > panorama. There's no obvious reason for this, and it seems that > "first" and "last" refer to the order in which the images are loaded.
On Monday, 4 June 2018 at 11:18:13 +0100, Bruno Postle wrote:
> The control point detectors are configurable in the Hugin
> preferences. It sounds like you have cpfind --linearmatch set.
>
> Unless you need customised control point detectors, I would reset
> everything using the load defaults button.
I've spent some time investigating this, and discovered:
1. Yes, --linearmatch only matches the previous and next image in the
stack.
2. So does --multirow!
3. This has nothing to do with FreeBSD. My Microsoft version
(latest, downloaded from the web site) does exactly the same
thing.
I've done a bit of looking through the code, but without internals
documentation it's a bit hard to understand. I've established that
this behaviour occurs at least as far back as 2013 versions (again,
Microsoft, to avoid any misunderstandings).
So: is this intentional? In that case, it should be documented. Or
is it accidental? In that case it should, of course, be fixed. And
looking at the documentation, how important is the option any more?
Greg
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