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#1 2013-03-07 07:58:19

tomask
Member
From: Dublin
Registered: 2006-11-14
Posts: 73

Retaining longer focal length detail in muti-focal length panoramas

I'm stitching panorama with multiple focal length images - the pano stitches fine.
The use case is - Pano @ 200mm, missing sky with horizon @ 105mm - So I'm using shorter focal length images to fill the missing FOV.
Final rendered image resolution is consistent with longer focal image stitch - but the pixel detail looks like interpolated shorter focal length image.

My challenge - can I keep the detail from the longer focal images in pano?

Any idea how I could retain the higher details?
I tried using mask, but since there are no real differences in the images - it has no effect.
I could try to crop the shorter focal image as to not to overlap the whole stitch - that does not seem elegant/robust enough solution in my opinion.

I would really appreciate any ideas how to solve this in APG.
In this example, I could simply use the 105mm image, but I run into missing sky or nadir/zenith problem often enough ... problem worth solving

Thank you very much for suggestions, Tomas

Attached (my apology, I'm not sure how to order attached images):
  1. APG 1x 105mm image with the sky
  2. only 3x 200mm images stitch crop
  3. all images stitch crop
  4. APG 3x 200mm images visible
  5. APG window screenshot


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Last edited by tomask (2013-03-07 08:03:43)

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#2 2013-03-07 13:00:38

gkaefer
Member
From: Salzburg
Registered: 2009-06-09
Posts: 2711
Website

Re: Retaining longer focal length detail in muti-focal length panoramas

Group Settings -> Render -> Blending Presets -> Advanced Settings -> Cutting -> "Priority to": here move the slider from Ghost to Long Focal.

Georg

Last edited by gkaefer (2013-03-07 13:01:30)

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#3 2013-03-09 10:34:55

tomask
Member
From: Dublin
Registered: 2006-11-14
Posts: 73

Re: Retaining longer focal length detail in muti-focal length panoramas

Thank you very much Georg,
It works as advertised.
I would have never found this. I believed that all the advanced render options are gone forever -  after they disappeared from the render dialog box a few versions ago.

What a strange behaviour that this cannot be configured as needed in the Editor. Oh well. There is another really strange quirk about this - When I change the slider and detect the panorama - I do see custom Blending option selected which was previously disabled (not possible to select). Now when I select Anti-ghost I can no longer re-select Custom Blending option and have to go all the back out to re-enable it.

Do you think that it would be genuine improvement/bug request to bring all render options back to the Editor's render dialog box?

Thanks again for your help, Tomas

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#4 2013-03-09 16:07:00

aaronpriest
Member
From: Lee, Maine, USA
Registered: 2012-03-16
Posts: 135
Website

Re: Retaining longer focal length detail in muti-focal length panoramas

tomask wrote:

Now when I select Anti-ghost I can no longer re-select Custom Blending option and have to go all the back out to re-enable it. Do you think that it would be genuine improvement/bug request to bring all render options back to the Editor's render dialog box?

This confused me as well for a while!

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