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StefanoSarzi
Currently Being Moderated

No auto zoom for 3D geometric adjustments?

May 23, 2012 9:50 AM

Hello,

I can't find an option to auto zoom stereo clips when I apply some geometric adjustments.

If I correct for example vertical alignment I'll have some black in upper and lower part of the screen, and that is normal; that's why in every tool I used to work with for 3d adjustments there is the auto zoom (auto crop) option.

Any way to do this in SG other than manually apply and adjust crop on every clip ?

 

 

Thank you

 

Stefano

 
Replies
  • Currently Being Moderated
    Jun 4, 2012 4:30 AM   in reply to StefanoSarzi

    HEy Stefano,

     

     

    auto crop is not possible. You have to use  the Pan&Scan layer.

     

    Sure it depends on your 3D Adjustments, but you can try cover "most" of your  blackborders to do a basic crop relating to the percentage. and do further tweaks for specific clips

     

    1) drag drop Pan&scan layer onto your Timeline

    2) select Pan&Scan - Choose 10% preset > use customs preset f.e. 2% BorderCrop simply typing:' L2% T2% R2% B2% '

     

     

    Let me know if that helps.

     

    D-A

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  • Currently Being Moderated
    Jun 4, 2012 4:55 AM   in reply to StefanoSarzi

    Hi Stefano,

     

    I would create a stereo safe area in the pan& scan settings. If your footage isn't massively distorted by things like roll and tilt in the mirror rig itself, you should be able to identify a rather small number for cropping and/or scaling.

    If you are already shooting with a stereo safe zone (say, 2K footage, but your output is HD), I would always avoid the scaling. Even though the scaling algorithm in SpeedGrade is really good, there's nothing better than what you've actually shot.

     

    Auotmatic cropping and scaling is certainly nice to have, but it's kind of counter productive if you want to keep control over image quality in an S3D workflow.

     

    Cheers,

    Pat

     

    StefanoSarzi wrote:

     

    Hello,

    I can't find an option to auto zoom stereo clips when I apply some geometric adjustments.

    If I correct for example vertical alignment I'll have some black in upper and lower part of the screen, and that is normal; that's why in every tool I used to work with for 3d adjustments there is the auto zoom (auto crop) option.

    Any way to do this in SG other than manually apply and adjust crop on every clip ?

     

     

    Thank you

     

    Stefano

     
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  • Currently Being Moderated
    Jun 4, 2012 9:29 AM   in reply to StefanoSarzi

    Hi Stefano,

     

    keyframes work universally the same in SpeedGrade.

    Check the SpeedGrade help pages at

    http://helpx.adobe.com/content/help/en/speedgrade/using/keyframes.html

     

    for further info.

     

    You basically click a second time on "create keyframe" to dissolve from the previous keyframe into the current one.

     

    Cheers,

    Pat

     

    P.S.

    waiting for the manual... I've seen that keyframes are just snapshot of the parameters, is there a way to interpolate values from a keyframe to another to have a smooth transition?

     

    Thank you

     

    Stefano

     
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  • Currently Being Moderated
    Jun 4, 2012 9:48 AM   in reply to StefanoSarzi

    No worries - please keep asking. We're adding documentation as we go, and whenever appropriate, I'll just post a link instead of writing a novel in reply to an answer

     

    Pat

     
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