On Aug 15, 2023, at 1:31 AM, David W. Jones <gnomeno...@gmail.com>
wrote:
On 8/14/23 15:02, Greg 'groggy' Lehey wrote:
On Monday, 14 August 2023 at 15:12:37 -0400, Stanley Green wrote:
Is anybody familiar with this video
tutorial?https://www.youtube.com/watch?v=OaLNFKh82Dg
"Producing multi-row image panoramas with Hugin"
No, I haven't watched it. I'll try to find time to do so later.
In this tutorial, the author created his control points using,
“Feature Matching/Settings”. He chose an option called: “Cpfind
(multirow/stacked)”.
Yes, I recall that. I'm not sure that we need it any more.
In Hugin 2022, that option's gone.
I am using Hugin version: 2019.2.0 (Mac), and when I go settings,
I’m unable to find the Cpfind (multirow/stacked) option in the
list. Is this a Mac issue or is he using a different version of
Hugin?
It's still there in the version I use (probably not the newest), under
Feature Matching. Your list looks like the one from Feature Matching,
so maybe it has gone away since then; somebody else could answer.
On Mac v 2019.2, I see 6 choices:
1. cpfind
Until proof of the contrary, use this, but see below.
2. Cpfind + celeste (slower, but no cps on clouds)
I've found celeste to be singularly useless.
Eh, works for me. But sometimes it's more effective to just use the
standard cpfind, and periodically clean control points as I proceed
through the optimization stages.
3. Align_image_stack
I've used this before. In some cases, it might produce better results
than cpfind. cpfind is newer, and initially there were some issues.
I only use this when I have an actual image stack to align.
4. Align_image_stack Full Frame Fisheye
Unless you have a fisheye lens, this is clearly not needed. I do most
of my panos with a full frame fisheye, and the standard cpfind does
just fine.
5. Vertical lines
Useful in some situations, but I've seldom found it useful. In
particular, it may recognize things like trees as being vertical when
in fact they're leaning slightly.
I've used it. Sometimes worth while to check the resulting vertical
control points and remove the ones that aren't actually vertical.
I've also noticed that it finds some pretty short "vertical lines".
I don't remember it doing that in earlier versions.
6. Hugin’s CPFind (prealigned)
And I have no idea what this is.
I understand that it tells Hugin to only check for control points
between adjacent pictures. I mostly shoot single row panoramas and
have gotten pretty good at image overlap, so I suppose it helps
avoid situations where cpfind is finding matches between images that
aren't near each other. I think these control points can confuse the
alignment process.
My suggestion: use the Align tab on the Fast Panorama Preview. If
that doesn't give you joy, try cpfind and possibly align_image_stack.
If you still can't get anything useful, there's more help on this
list. Don't attach images: put them somewhere on the net and point to
them.
Always good to ask here!
Good luck
Greg
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