Ah, thanks. I tried dragging around in the blank window but couldn't
remember how to zoom in/out. Centering the viewing area sounds like a
good idea.
It might be a bug in whatever version of Hugin I was using in 2013. I
have another PTO that I had made with the same version, and got
panoramas with mismatched items (like velvet ropes that crossed multiple
images), produced using the Auto Alignment feature. Later versions of
Hugin with the same function had no such disjoints.
Cool. Lux is fast. I'd still prefer a Debian Linux native version to the
AppImage, and movement within the image that isn't counterintuitive for
me, but it's getting better.
On 4/21/24 21:44, 'kfj' via hugin and other free panoramic software wrote:
Thanks for posting the PTO. I also got a black screen from it. The
problem is that the visible content is outside of the viewing area. If
you zoom out a good bit or start lux with --hfov_view=90, you'll see
the images (which have quite small hfov of 14 degrees) near the top of
the view. The pitch values in your PTO are larger than the hfov
(17.4024521555217), and so the visible content is placed in an area
which is not inside the viewing area.
I can see how this is confusing - maybe I should add code to center
the view to a point somewhere inside the collection of images to avoid
showing a blank screen.
Thanks for reporting back!
On Monday, April 22, 2024 at 8:33:39 AM UTC+2 GnomeNomad wrote:
On 4/21/24 19:29, 'kfj' via hugin and other free panoramic
software wrote:
On Sunday, April 21, 2024 at 9:26:56 PM UTC+2 GnomeNomad wrote:
Thanks, always good to have an improved GUI.
I ran the appimage from the command line, it gave me a window
to open files. I went to open a PTO file, and got a blank
black screen. Nothing happened. Nothing displayed. When I
pressed Escape, the window blank display went away and I saw
this in the command line window:
OpenImageIO exited with a pending error message that was never
retrieved via OIIO::geterror(). This was the error message:
OpenImageIO could not find a format reader for
"/home/david/data/MyPhotos/Rabbit Island Vertical
Pano/RabbitIslandVerticalPano-2013092220130922.pto". Is it a
file format that OpenImageIO doesn't know about?
So the new Lux can't open PTO files anymore?
It should. The error message you get is nothing to worry about -
I pass every file to OIIO first to see if it can open it, and
when it fails it saves this error message which is never
retrieved and displayed at program exit. Maybe I should clean up
better before terminating lux - this is misleading behaviour.
Thanks for pointing it out!
Thanks.
Considering the failure to open your PTO, I wonder: do the images
have an alpha channel?
No, the source images are JPGs and don't support
transparency/alpha channel.
I checked the PTO display, and I saw there is an issue with
panoramas with images with alpha channel. Most embarrassing -
looks like I have a bug to fix. Did you try other PTOs?
I checked a version of the PTO that uses the same images. That
rendered fine. It was created in 2021 using Hugin.
The problematic PTO file was created in 2013 using Hugin. Hugin
doesn't complain about either of them.
Maybe you can post the PTO file, then I can see if I can
reproduce your problem. This would help me fix the bug.
Attaching the old problematic one
(RabbitIslandVerticalPano-2013092220130922.pto) and the newer
non-problematic one (P1000364-P1000361.pto).
I don't know if the list will let them through.
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