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 Post subject: APG newbie…
PostPosted: Mon Mar 31, 2014 1:44 pm 
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Joined: Tue Mar 03, 2009 11:18 pm
Posts: 84
Hi everyone,
I'm trying to migrate from PTGUI to APG, in order to be able to use Livepano, and am having a really hard time doing it.

I shoot a Nikon D800 on a 360Precision Absolute head. 6 shots at -15º + Zenith.
On APG I add the 7 images, click on "detect" and the results are horrifying!!! (attached image).

I have watched most video tutorials online and read the online docs, but nothing seems to address this situation.

Is there a specific setting for shooting at -15º?

Any help is welcomed

Thanks in advance,
E.C.


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APG_Results.jpg
APG_Results.jpg [ 25.02 KiB | Viewed 537 times ]
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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 2:21 pm 
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Location: Isleham, Cambridgeshire, UK.
jarane wrote:
Hi everyone,
I'm trying to migrate from PTGUI to APG, in order to be able to use Livepano, and am having a really hard time doing it.

I shoot a Nikon D800 on a 360Precision Absolute head. 6 shots at -15º + Zenith.
On APG I add the 7 images, click on "detect" and the results are horrifying!!! (attached image).

I have watched most video tutorials online and read the online docs, but nothing seems to address this situation.

Is there a specific setting for shooting at -15º?

Any help is welcomed

Thanks in advance,
E.C.


Perhaps the EXIF is missing from your images and APG does not recognise your lens focal length or lens type (fisheye).

Check Image properties and change lens type if necessary, also check the crop circle:


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1-apg35rc1-lensdata.jpg
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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 2:39 pm 
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Posts: 84
Thanks media vets,
all the exif data is recognized by APG but somehow it renders this weird result.
What else do you think it could be?

Thanks again,
E.C.


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ScreenSnapz034.jpg
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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 2:42 pm 
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Location: Francin, France
This is probably due to some wrong links because of pattern matching.
Look at this tutorial : http://www.autopano.net/wiki-en/action/ ... n_I_do_%3F


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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 3:34 pm 
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Joined: Mon May 22, 2006 12:18 am
Posts: 7812
Location: Duesseldorf, Germany
jarane wrote:
Hi everyone,
I'm trying to migrate from PTGUI to APG, in order to be able to use Livepano, and am having a really hard time doing it.

I shoot a Nikon D800 on a 360Precision Absolute head. 6 shots at -15º + Zenith.
On APG I add the 7 images, click on "detect" and the results are horrifying!!! (attached image).

I have watched most video tutorials online and read the online docs, but nothing seems to address this situation.

Is there a specific setting for shooting at -15º?

Any help is welcomed

Thanks in advance,
E.C.


Hi!

I guess you´re using the 2,8/16mm Nikon Fisheye? Nevertheless set the values to "Fisheye" in the APG´s prefs. I realized that the 16mm sometimes gets not recognized correctly.

You don´t need a dedicated setting for -15° - i also use to shoot this way.

best, Klaus


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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 6:45 pm 
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Posts: 84
Thanks guys,
I tried all of your suggestions and, although it went from nothing to very good, it still needs work.
Since I don't know the interface, it's hard for me to fine-tune the Zenith to perfection.

What I did, was to save the project as a template and applied it to a new project with the same images. Then I repeated the whole process, but it didn't seem to improve it.

I'm attaching a screen capture of the pano, and of one of the problem areas.
How can I improve the stitching?

Also, is there any way to improve the RMS of the Control Points?

@ Klaus: do you also shoot 6 x -15º plus Zenith at 90º?

Thanks again,
E.C.


Attachments:
ScreenSnapz035.jpg
ScreenSnapz035.jpg [ 178.05 KiB | Viewed 509 times ]
APG_Test_1.jpg
APG_Test_1.jpg [ 239.65 KiB | Viewed 509 times ]
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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 7:04 pm 
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Joined: Wed Nov 14, 2007 2:12 pm
Posts: 14069
Location: Isleham, Cambridgeshire, UK.
jarane wrote:
Thanks guys,
I tried all of your suggestions and, although it went from nothing to very good, it still needs work.
Since I don't know the interface, it's hard for me to fine-tune the Zenith to perfection.

What I did, was to save the project as a template and applied it to a new project with the same images. Then I repeated the whole process, but it didn't seem to improve it.

I'm attaching a screen capture of the pano, and of one of the problem areas.
How can I improve the stitching?

Also, is there any way to improve the RMS of the Control Points?

@ Klaus: do you also shoot 6 x -15º plus Zenith at 90º?

Thanks again,
E.C.


A lot of relatively featureless space.

The type of scene that may cause APG's auto control detection problems.

Have you yet explored the Control Points Editor?

http://www.autopano.net/wiki-en/action/ ... nts_Editor


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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 7:15 pm 
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Joined: Tue Mar 03, 2009 11:18 pm
Posts: 84
Yes,
I followed Alexandre's suggestion and applied all the steps of the linked tutorial to my images.
The files generated by the D800 have a ton of information, and you can easily see creases, holes and every stain on the white walls (unfortunately so, hehe).

When trying to generate CPs to the problem areas, I realized that their RMS was getting increasingly higher. There must be a way to optimize those CPs to make them usable.
Do you know if it's possible?

Thanks,
E.C.


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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 7:17 pm 
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Joined: Mon May 22, 2006 12:18 am
Posts: 7812
Location: Duesseldorf, Germany
jarane wrote:
@ Klaus: do you also shoot 6 x -15º plus Zenith at 90º?



I shoot 5 @ -12° + Zenith. 20% overlap. Nikon D800, Nikon 2,8/16mm, Panoneed head.

best, Klaus


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 Post subject: Re: APG newbie…
PostPosted: Mon Mar 31, 2014 7:21 pm 
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Joined: Wed Nov 14, 2007 2:12 pm
Posts: 14069
Location: Isleham, Cambridgeshire, UK.
jarane wrote:
When trying to generate CPs to the problem areas, I realized that their RMS was getting increasingly higher. There must be a way to optimize those CPs to make them usable.
Do you know if it's possible?

Thanks,
E.C.


See: http://www.autopano.net/wiki-en/action/ ... _RMS_value


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 Post subject: Re: APG newbie…
PostPosted: Tue Apr 01, 2014 8:28 am 
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One note: you should definitively try the version 3.5 where we made a lot of improvement in out-of-the-box quality stitching.


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 Post subject: Re: APG newbie…
PostPosted: Tue Apr 01, 2014 2:36 pm 
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Location: Duesseldorf, Germany
AlexandreJ wrote:
One note: you should definitively try the version 3.5 where we made a lot of improvement in out-of-the-box quality stitching.



Yes - i definitely agree!

best, Klaus


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 Post subject: Re: APG newbie…
PostPosted: Tue Apr 01, 2014 3:24 pm 
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Joined: Tue Mar 03, 2009 11:18 pm
Posts: 84
Hi,
I'm giving 3.5 a try, but there is something weird about it.
Even though all the images are loaded, APG 3.5 does not see the Zenith (image attached).

Following your suggestions for APG 3, my settings are:

General:
default

Images:
in no EXIF data Use 16mm Fisheye

Detection:
default

Optimization:
local/global checked. all else unchecked.

Panorama:
default

Render:
default


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 Post subject: Re: APG newbie…
PostPosted: Tue Apr 01, 2014 5:03 pm 
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look at your group properties. The focal length indicates 16mm. Or these images are 16mm fisheye. Just change that with the (i) icons and everything will work:
http://www.autopano.net/wiki-en/action/ ... eye_images


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