Re: [hugin-ptx] Re: Question about Lux and PTO files

[David W. Jones]

On 4/26/24 23:43, 'Kay F. Jahnke' via hugin and other free panoramic 
software wrote:

On 27.04.24 11:04, David W. Jones wrote:



On April 26, 2024 10:35:22 PM HST, "'Kay F. Jahnke' via hugin and 
other free panoramic software"  wrote:


I think 'Panini Perspective Tool' made an attempt ...


I think I found their site:




well found - I last saw their site on sourceforge. I tried the 
AppImage. They have a menu point to open a PT file, but then it only 
pops up a small window 'to be implemented'. So much for that...


And I tried a full spherical, it did not work right. But you see what 
they were aiming at.


When I tried to navigate to a PTO file, I got repeated error messages 
about not being able to create a collator. It then froze up without 
opening anything.


Perhaps those are issues in 0.73 that are fixed in 0.74, but they don't 
build or test on Debian or Debian derivatives. And I don't feel like 
going through the compilation process just to see.




Not very active. The most recent AppImage is 0.73 from 2019. Didn't 
see anything about a 'pro' version.


Seems to be all FOSS now. Even though I never managed to get it to 
work for me, it was an inspiration. Also mathmap, remember that?


https://www.complang.tuwien.ac.at/schani/mathmap/

Never heard of it before!
I once wrote to them telling them thank you and that they were an 
inspiration, but nothing ensued.


I checked their site, they don't offer a Linux binary anymore. When they 
did, it was tied to OpenSUSE


It looks like nothing is going on about fixing their "technical hiccup" 
with their Linux build.


Oh, well! Moral of the story: Don't do personal and/or hobby projects 
through your employer's account.




Now I have lux. I think I'm better off.


Not perfect, but it works. 

--
David W. Jones
gnomeno...@gmail.com
wandering the landscape of god
http://dancingtreefrog.com
My password is the last 8 digits of π.

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Re: [hugin-ptx] Re: Question about Lux and PTO files

['Kay F. Jahnke' via hugin and other free panoramic software]

On 27.04.24 11:04, David W. Jones wrote:



On April 26, 2024 10:35:22 PM HST, "'Kay F. Jahnke' via hugin and other free panoramic 
software"  wrote:


I think 'Panini Perspective Tool' made an attempt ...


I think I found their site:




well found - I last saw their site on sourceforge. I tried the AppImage. 
They have a menu point to open a PT file, but then it only pops up a 
small window 'to be implemented'. So much for that...


And I tried a full spherical, it did not work right. But you see what 
they were aiming at.



Not very active. The most recent AppImage is 0.73 from 2019. Didn't see 
anything about a 'pro' version.


Seems to be all FOSS now. Even though I never managed to get it to work 
for me, it was an inspiration. Also mathmap, remember that?


https://www.complang.tuwien.ac.at/schani/mathmap/

I once wrote to them telling them thank you and that they were an 
inspiration, but nothing ensued.


Now I have lux. I think I'm better off.



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Re: [hugin-ptx] Re: Question about Lux and PTO files

[David W. Jones]

On April 26, 2024 10:35:22 PM HST, "'Kay F. Jahnke' via hugin and other free 
panoramic software"  wrote:
> On 27.04.24 10:21, David W. Jones wrote:
> > 
> > I agree, lux is an achievement. It's the only image viewer besides Hugin 
> > that can view PTO files.
> 
> I think 'Panini Perspective Tool' made an attempt or at least a claim - 
> didn't they come up with a 'pro' version after some time asking for money? I 
> managed to build it from the last freely available sources for a while, but 
> it never worked for me... especially the PTO viewing never did what I wanted. 
> Maybe because I tried to get it to run on Linux.

I think I found their site:



Not very active. The most recent AppImage is 0.73 from 2019. Didn't see 
anything about a 'pro' version.

> > For lux to function fully as a *viewer* for PTO files, I think it needs to 
> > apply the PTO file's crop settings. It can have an option to use (or not 
> > use) the crop settings.
> 
> Okay, point taken. Maybe in a future lux version.

Thanks, that would make it more useful image viewer.

-- 
David W. Jones
gnomeno...@gmail.com
exploring the landscape of god
http://dancingtreefrog.com

Sent from my Android device with F/LOSS K-9 Mail.

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Re: [hugin-ptx] Re: Question about Lux and PTO files

['Kay F. Jahnke' via hugin and other free panoramic software]

On 27.04.24 10:21, David W. Jones wrote:


I agree, lux is an achievement. It's the only image viewer besides Hugin that 
can view PTO files.


I think 'Panini Perspective Tool' made an attempt or at least a claim - 
didn't they come up with a 'pro' version after some time asking for 
money? I managed to build it from the last freely available sources for 
a while, but it never worked for me... especially the PTO viewing never 
did what I wanted. Maybe because I tried to get it to run on Linux.



For lux to function fully as a *viewer* for PTO files, I think it needs to 
apply the PTO file's crop settings. It can have an option to use (or not use) 
the crop settings.


Okay, point taken. Maybe in a future lux version.

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Re: [hugin-ptx] Re: Question about Lux and PTO files

[David W. Jones]

On April 25, 2024 10:44:09 PM HST, 'kfj' via hugin and other free panoramic 
software  wrote:
> 
> On Friday, April 26, 2024 at 10:16:56 AM UTC+2 GnomeNomad wrote:
> 
> Thanks, but I think the on-screen view should show the output crop, the way 
> Hugin does without having to load the stitched image manually.
> 
> Well, at times you just don't get what you want ;-)
> 
> If you look at what hugin shows you when you choose the cropping rectangle, 
> you also see the parts of the image set which, later on, are cut off when 
> the cropping happens. The only thing which lux does differently is that it 
> does not mark these areas by making them a bit darker, and lux does not 
> show the cropping rectangle as a white rectangle. lux also does not offer 
> any interface to modify the cropping window. I feel that it's better for a 
> program which is primarily an image *viewer* to show users all the 
> available content and let them choose which part of the content they wish 
> to look at and, potentially, save as a snapshot (pressing 'E'). Honouring 
> the cropping rectangle in the p-line is to allow for stitching to the PTO 
> file's specs (press Shift+E), so that lux can function as a drop-in 
> replacement for stitching - nice to have, but more of a side product: I 
> show the stitched view, so I might as well offer stitching services beyond 
> capturing what's in the current display. That's how 'source-like snapshots' 
> and the processing of the p-line came to be.
> One might consider adding code to lux to show all kinds of additional 
> information - the cropping rectangle in the PTO's p-line is one such thing, 
> then masks, horizon guideline etc.. I have thought about adding an optional 
> vector layer for such data, but I haven't implemented anything along those 
> lines yet, even though I find the idea attractive. Please keep in mind that 
> I'm not trying to provide some sort of hugin clone. lux is a separate 
> program and uses it's own logic, even though it can do things like 
> understand PTO format to an extent, which I think is no mean feat. I think 
> there aren't many image viewers out there which can do that at all.

I agree, lux is an achievement. It's the only image viewer besides Hugin that 
can view PTO files.

For lux to function fully as a *viewer* for PTO files, I think it needs to 
apply the PTO file's crop settings. It can have an option to use (or not use) 
the crop settings.

-- 
David W. Jones
gnomeno...@gmail.com
exploring the landscape of god
http://dancingtreefrog.com

Sent from my Android device with F/LOSS K-9 Mail.

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Re: [hugin-ptx] Re: Question about Lux and PTO files

['kfj' via hugin and other free panoramic software]

 There are some options which may help you (copied from 
https://kfj.bitbucket.io/lux_options.html):

snapshot_prefix 

This option sets the prefix used for snapshots, stitches and fusions. 
The default is to use the source image's filename suffixed with .lux. If 
you pass --snapshot_prefix=xyz the images will be named xyz1.jpg, xyz2.jpg 
etc.

Note that the prefix will persist throughout the entire lux session, so 
you can go through a set of images and take snapshots where you like, and 
all snapshots from the session will share the prefix and be numbered 
sequentially.
snapshot_basename 

This option forces the snapshot (or stitch or fusion) base name, and 
the resulting image will be named by combining this base name with the 
snapshot extension, with no intervening infixes. ...

I'll have to edit the text for the second one, though - the statement that 
extant files are overwritten without warning is no longer true. If you want 
to use the latter option, you can't do it in a batch job - then you need a 
separate lux invocation for each rendition. But then, you have total 
control: delete the output file if it's there, call lux with 
--snapshot_basename and --snapshot_extension to your liking. That is 
probably what you want.

This is a bit awkward for batch processing - it might be cleaner to use 
some sort of format string. I'll make a mental note and think about 
reworking the snapshot naming.

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Re: [hugin-ptx] Re: Question about Lux and PTO files

[Maarten Verberne]

i was wondering, is there a command in lux to save files with only the 
.jpg extension and forego the .pto.lux.[number].jpg extension?



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