Re: [hugin-ptx] Re: Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread Jeff Welty
I'll grab that, woah, yes that's large.  As an afterthought -- if you have 
darktable -- just use the retouch tool.  It'll be quick, easy, and like 
magic!

On Friday, March 4, 2022 at 4:25:22 PM UTC-8 johnfi...@gmail.com wrote:

> My existing examples are absurdly large.  I don't mind putting one on a 
> google drive freely accessible.  But you might mind trying to download and 
> work with it.
>
> For several reasons, I prefer to fix the gaps after blending the panorama, 
> rather than fix individual photos before.  One reason is that gaps might go 
> away during blending because images overlap.  In that case I would prefer 
> to end up with original from the image that doesn't have a gap there, 
> rather than synthetic from the image that does.
>
> I put a 680MB image on a google drive in case you want to look.  I'll try 
> to make something more reasonable within the next few days.  If you look at 
> that, there are three tiny gaps that I think are transparent (look white in 
> a viewer) plus one made exactly the same way but looks partially white and 
> mostly black.  I have to figure out why that one looks that way (unless 
> your tool just fixes it).
>
> https://drive.google.com/file/d/1eLvJsyDOrV06bc1YLAQRoG-1x4vv5gb4/view?usp=sharing
>
> The whole panorama (taken in valley of fire NV) is still a work in 
> progress.  There are a few blurred seams I want to figure out how to fix.  
> So I'm looking for how-to for this kind of thing, rather than fix this one.
>

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Re: [hugin-ptx] Re: Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread John Fine
My existing examples are absurdly large.  I don't mind putting one on a
google drive freely accessible.  But you might mind trying to download and
work with it.

For several reasons, I prefer to fix the gaps after blending the panorama,
rather than fix individual photos before.  One reason is that gaps might go
away during blending because images overlap.  In that case I would prefer
to end up with original from the image that doesn't have a gap there,
rather than synthetic from the image that does.

I put a 680MB image on a google drive in case you want to look.  I'll try
to make something more reasonable within the next few days.  If you look at
that, there are three tiny gaps that I think are transparent (look white in
a viewer) plus one made exactly the same way but looks partially white and
mostly black.  I have to figure out why that one looks that way (unless
your tool just fixes it).
https://drive.google.com/file/d/1eLvJsyDOrV06bc1YLAQRoG-1x4vv5gb4/view?usp=sharing

The whole panorama (taken in valley of fire NV) is still a work in
progress.  There are a few blurred seams I want to figure out how to fix.
So I'm looking for how-to for this kind of thing, rather than fix this one.

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[hugin-ptx] Re: Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread Jeff Welty
... Currently it does stop because there can be areas at the left and right 
edges of panaromas that are transparent after the crop, and the barrel 
distortion correction has left a concave area which I'd assume a **user**
 might want to repair in postprocessing after running Skyfill...



On Friday, March 4, 2022 at 3:41:01 PM UTC-8 Jeff Welty wrote:

> Fillsky should work  for those problems --  any area *above* the detected 
> end of sky which is black (i.e. r,g,b all 0), or alpha < 1. will be filled 
> with the modelled esimate of the sky color.   But the trick will be to 
> apply a test mask (-tm) to the area so the 
> end of sky detection doesn't stop on those areas.   As I write this I 
> realize there'd be some situations like yours where Skyfill should by 
> default doesn't stop on black or transparent areas during end of sky 
> detection.   Currently it does stop because there can be areas at the left 
> and right edges of panaromas that are transparent after the crop, and the 
> barrel distortion correction has left a concave area which I'd assume a use 
> might want to repair in postprocessing after running Skyfill.
>
> I have to get part 2 of the Tutorial done, but there is an example of the 
> test mask usage in the first part of the Tutorial.   If your dirt spots are 
> always in the same place it should be pretty easy to "can" the test mask 
> flag in a script and run on multiple files.
>
> I'd be happy to help show you on a particular image if you'd like.   I 
> wouldn't mind having another test case too ;-)
>
> On Friday, March 4, 2022 at 10:51:50 AM UTC-8 johnfi...@gmail.com wrote:
>
>> I have many small isolated gaps in the sky of my photos from my recent 
>> vacation.  That is a bit different from the example use of FillSky.
>>
>> Given how many different things I'm trying to learn to use at once now, 
>> I'd appreciate knowing whether FillSky is the right tool before I take time 
>> to figure out how to use it.  (At a quick first look, it was not obvious to 
>> me how to use it).
>>
>> I got dirt on the sensor of my camera at the start of my vacation (I'm 
>> not used to this type of camera) and the air bulb I had could not blow the 
>> dirt off and I didn't have a cleaning kit.  So all my photos have dirt 
>> spots.
>>
>> I can mask out the dirt spots where the matter and in non-sky areas of 
>> panoramas there is typically overlap with the photo above that can replace 
>> the masked out bit.  But for sky sections (where the dirt is most visible) 
>> there is no photo above.  So the mask leaves a gap in the final panorama.
>>
>> Does FillSky automatically find and fill gaps in the sky?  Or can it 
>> easily be told to?  Or is it just for sky gaps created by a ragged top to 
>> the whole panorama?
>>
>

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[hugin-ptx] Re: Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread Jeff Welty
Fillsky should work  for those problems --  any area *above* the detected 
end of sky which is black (i.e. r,g,b all 0), or alpha < 1. will be filled 
with the modelled esimate of the sky color.   But the trick will be to 
apply a test mask (-tm) to the area so the 
end of sky detection doesn't stop on those areas.   As I write this I 
realize there'd be some situations like yours where Skyfill should by 
default doesn't stop on black or transparent areas during end of sky 
detection.   Currently it does stop because there can be areas at the left 
and right edges of panaromas that are transparent after the crop, and the 
barrel distortion correction has left a concave area which I'd assume a use 
might want to repair in postprocessing after running Skyfill.

I have to get part 2 of the Tutorial done, but there is an example of the 
test mask usage in the first part of the Tutorial.   If your dirt spots are 
always in the same place it should be pretty easy to "can" the test mask 
flag in a script and run on multiple files.

I'd be happy to help show you on a particular image if you'd like.   I 
wouldn't mind having another test case too ;-)

On Friday, March 4, 2022 at 10:51:50 AM UTC-8 johnfi...@gmail.com wrote:

> I have many small isolated gaps in the sky of my photos from my recent 
> vacation.  That is a bit different from the example use of FillSky.
>
> Given how many different things I'm trying to learn to use at once now, 
> I'd appreciate knowing whether FillSky is the right tool before I take time 
> to figure out how to use it.  (At a quick first look, it was not obvious to 
> me how to use it).
>
> I got dirt on the sensor of my camera at the start of my vacation (I'm not 
> used to this type of camera) and the air bulb I had could not blow the dirt 
> off and I didn't have a cleaning kit.  So all my photos have dirt spots.
>
> I can mask out the dirt spots where the matter and in non-sky areas of 
> panoramas there is typically overlap with the photo above that can replace 
> the masked out bit.  But for sky sections (where the dirt is most visible) 
> there is no photo above.  So the mask leaves a gap in the final panorama.
>
> Does FillSky automatically find and fill gaps in the sky?  Or can it 
> easily be told to?  Or is it just for sky gaps created by a ragged top to 
> the whole panorama?
>

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Re: [hugin-ptx] Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread David W. Jones



On March 4, 2022 8:51:50 AM HST, "johnfi...@gmail.com"  
wrote:

> I got dirt on the sensor of my camera at the start of my vacation (I'm not 
> used to this type of camera) and the air bulb I had could not blow the dirt 
> off and I didn't have a cleaning kit.  So all my photos have dirt spots.
> 
> I can mask out the dirt spots where the matter and in non-sky areas of 
> panoramas there is typically overlap with the photo above that can replace 
> the masked out bit.  But for sky sections (where the dirt is most visible) 
> there is no photo above.  So the mask leaves a gap in the final panorama.

When my sensor got dirty like that, I manually cleaned dirt spots from images 
before putting them in Hugin. Wasn't too hard for the sky, just copypasted 
clean patches over the spots.

Another possibility just occurred to me: make a synthetic "empty sky" frame the 
same dimensions etc as a real frame and add it to your panorama as many times 
as needed to be "clear sky backgrounds" for real frames that have dust masked 
out on them. I think you can adjust positions and such as need to do that in 
Hugin.

-- 
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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[hugin-ptx] Is FillSky an appropriate tool for fixing ...

2022-03-04 Thread johnfi...@gmail.com
I have many small isolated gaps in the sky of my photos from my recent 
vacation.  That is a bit different from the example use of FillSky.

Given how many different things I'm trying to learn to use at once now, I'd 
appreciate knowing whether FillSky is the right tool before I take time to 
figure out how to use it.  (At a quick first look, it was not obvious to me 
how to use it).

I got dirt on the sensor of my camera at the start of my vacation (I'm not 
used to this type of camera) and the air bulb I had could not blow the dirt 
off and I didn't have a cleaning kit.  So all my photos have dirt spots.

I can mask out the dirt spots where the matter and in non-sky areas of 
panoramas there is typically overlap with the photo above that can replace 
the masked out bit.  But for sky sections (where the dirt is most visible) 
there is no photo above.  So the mask leaves a gap in the final panorama.

Does FillSky automatically find and fill gaps in the sky?  Or can it easily 
be told to?  Or is it just for sky gaps created by a ragged top to the 
whole panorama?

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Re: [hugin-ptx] Stop enblend from removing result

2022-03-04 Thread Florian Königstein
I cannot answer your main question, but if you want to know the command 
line options hugin passes to enblend, you can:

1. start hugin and make all the settings you want, especially those in the 
"stitch" tab, but instead of pressing the "stitch" button, save the project 
file (assume the filename YOUR_PROJECT.pto).

2. (on Windows), enter in a command shell:
"C:\Program Files\Hugin\bin\hugin_executor.exe" --stitching --dry-run 
YOUR_PROJECT.pto > SOME_PATH\command-line.txt

then in the file SOME_PATH\command-line.txt are the commands with their 
arguments.

*** off-topic ***: How do you quote / cite the message to that you answer 
in google groups ? When I press "answer all", the message that I'm 
answering isn't repeated ***

johnfi...@gmail.com schrieb am Montag, 28. Februar 2022 um 23:21:46 UTC+1:

> On Mon, Feb 28, 2022 at 1:20 PM Monkey  wrote:
>
>>
>> Enblend's blending is dependent on the order that images are specified on 
>> the command line. By specifying the images in a different order (maybe in 
>> reverse, or maybe with the "redundant" image and its neighbour that you 
>> want it to blend with first) you may get something closer to the result you 
>> were hoping for. It's difficult to be more specific about what to do 
>> without knowing how the images overlap though.
>>
>> Enblend was called by hugin, so I don't know the command line.  I was 
> assuming Enblend got its instructions directly from the pto file.
>
> I'll attach the .pto file, since it is the only way I know for describing 
> the many-way overlap. 
>
> I would appreciate insight into how to avoid the failure, if you have such 
> insight.  BUT what I asked and what I'm really looking for is how to get 
> Enblend to leave the result for me to look at despite it thinking that the 
> result is defective.
>
> I will eventually find time to look at the source code and either figure 
> out the way or create a way.  But meanwhile I'm trying to do other things 
> with other parts of the hugin package and would prefer to simply be told 
> how to keep this enblend behavior from being an obstacle.
>
>

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Re: [hugin-ptx] lux FOSS panorama and image viewer: 1.1.0 pre-release available

2022-03-04 Thread Robert Clausecker

Hi Kay,

I've now started working on the packaging.

Could you tell me which git commit your prerelease is based on?  I need 
something to work off.
I noticed that your master branch is still on a 2021-12-15 state and 
development seems to be
happening on the associated_alpha branch.  Which branch or commit should I use 
for the packaging?
Ideally you could tag a prerelease so I can directly work off that.

Yours,
Robert Clausecker

Am 28.02.22 um 17:41 schrieb 'Kay F. Jahnke' via hugin and other free panoramic 
software:

Am 28.02.22 um 12:11 schrieb Robert Clausecker:


I am interested in packaging this software for FreeBSD.  Unfortunately,
we already have a package named lux (www/lux) in our Ports collection,
so I cannot name yours lux.  What package name do you think would be
most appropriate?


How about lux-pv? For lux panorama viewer - that's if you're into short package 
names. Or lux-viewer for something longer and less cryptic. But bear in mind 
that what I've uploaded today is just a development snapshot, so bear with me a 
little longer until I release 1.1.0 proper. I just did a lot of internal 
rewiring, so it may take a while to settle. The code is becoming fiendishly 
complex. I hope to see a bit of use and maybe the odd bug report. Just viewing 
images and panoramas should be unproblematic, though, because the changes were 
more to the PTO processing part of the code.

Have you built the code on freeBSD already? I think this shouldn't be too hard, 
with the CMake process and few dependencies. If you have, please let me know - 
it would be the fourth OS running lux! I made the .deb using CMake, maybe it 
can also build packages for freeBSD? By all means, use the clang++ C++ compiler 
- so far it's made a big difference speed-wise. And if you want to recreate 
today's binaries, they are made from the associated_alpha branch, which I 
haven't merged back into master yet.

Keep us posted on how it goes, thanks for your interest in lux!

Kay



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