Please help with blending the sky  

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harryshin
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Please help with blending the sky

by harryshin » Tue Apr 29, 2014 7:26 pm

Hi:
1. I need / request some clear and concise advise on how to get the best results in regards to blending the sky.
2. I've read the current documentation (somewhat difficult for me to understand), I've tried using autopano with smart blend (older version), I've used the current version of autopano (diamond vs cutting)… however I'm assuming there are settings and techniques that I'm not utilizing which will produce the optimally blended sky.
3. I attached a pano, shot in terrible lighting conditions, which actually highlight this challenge of getting a nicely blended sky (also shot fairly wide at 24mm). Furthermore to accentuate the problem, I used levels to darken the image.
4. Any thoughts and direct advice greatly appreciated.

Thanks. Harry
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04_2014_via Autopano 3 Little Hebe.jpg

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Destiny
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Re: Please help with blending the sky

by Destiny » Tue Apr 29, 2014 11:17 pm

Hi...

In APG under Plugin, you have an option to remove the Vignetting.. I suggest you try that.. After processing it will load the new image sets so its quick to check if its made a difference... A copy of the edited images will be adde to your folder..

If you shot your images in RAW you can also try Effects Editing... Again, this might help with APG blending...

Destiny...

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harryshin
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Re: Please help with blending the sky

by harryshin » Wed Apr 30, 2014 4:32 am

Hi:

1. Thanks for the suggestion, but can you be more specific?
2. I just opened up autopano pro, went to plugins, but then couldn't go or do anything beyond that.
3. Can someone direct me to a specific step by step tutorial in regards to blending or is there an actual page in the "manual" about this?


Thanks. Harry

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Zoobius
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Re: Please help with blending the sky

by Zoobius » Fri May 02, 2014 2:09 pm

You can try to modify the Color anchors too… It could help depending where the Reference anchor is placed. I invite you to check the following tutorial about that: http://www.autopano.net/wiki-en/action/ ... on_anchors

Then regarding the blending settings, you can activate or not the Diamond option with any cutting mode. The Diamond setting lets get more importance to the pixels of the center of each image, meaning closer the pixels are to the edge, the less importance they become. So that could help with the vignetting. And you can also switch the Multiband level from -2 to -1 or even 0 (maximum blending value) if necessary.

Btw, you can process to all those tries by activating the Preview mode (green Q icon on the Panorama Editor toolbar), to check the results in real time before to render.
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gkaefer
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Re: Please help with blending the sky

by gkaefer » Tue May 13, 2014 1:59 pm

if you shot the Images in raw Format....
create 3 sets of your Images.
lets say -2, 0 and +2 LV
now laod all the Images to autopano (File->Select Images),
dont use autodetection.
mark all Images
right mouseclick
Create stacks by N...
use 3 Number of Pictures per stack
and select the middle exposed Image as Index of main Picture
USe EXposure Fusion as blending preset under render Settings
detect the pano
edit the detected pano
use the Fusion button to adjust the Input Level and Gamma values

you also could use instead enfusegui, oloneo, photomatix or any other fusing specialist to get fused Images first and than load the fused Images to autopano.
but be Aware that autopano belongs on exif data. fusing Images externally will crop/alter/delete/cripple part or all exif data needed by autopano.
so you could use some exiftool (exifsetter etc.) to Export the exif data from original "0" set and than Reimport this data to your finally fused Images...


Georg

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Doug
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Re: Please help with blending the sky

by Doug » Sat May 17, 2014 7:05 am

Hi Harry: Maybe you've solved your problem in which case I'd like to hear your approach. I had a similar problem and had no success using vignette control tools on .jpg or RAW files prior to using them in APP. I converted my blue sky RAW files to .tif first, fixed the vignetting with MV's Vignette Corrector on the tif files, then used those successfully in APP. See link below for that free plugin.

http://www.vicanek.de/plugins/vignettecorrector.htm


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