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Rotating Ghost

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david mayer
Rotating Ghost
on Apr 2, 2013 at 9:29:01 pm

Using rotation, I made the client's circular logo spin - just like the
Apple beachball. In the timeline, it looks good. When converted to
a Quicktime movie, using Quicktime Conversion, there is a ghost image that circles around the
(otherwise stationary) spinning logo like the earth revolves around the sun.

This is a new one.

Anyone ever run into this?

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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Dave LaRonde
Re: Rotating Ghost
on Apr 2, 2013 at 10:18:47 pm

Frame Rate Mismatch? The wrong rotation value?

Remember how stagecoach wheels looked like they ran backwards in cowboy movies? Or how airplane propellors looked like they ran backwards? It could be the same deal.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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david mayer
Re: Rotating Ghost
on Apr 2, 2013 at 10:57:03 pm

Dave,
This is different from the stroboscopic effect - this
is more like the logo is having an out of body
experience. A copy of the logo, at about 50%
opacity, is circling around the original.

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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Rafael Amador
Re: Rotating Ghost
on Apr 3, 2013 at 2:20:02 am

Don't know the reason of the ghost picture, but avoid using the "rotate" function when possible.
That force FC rendering in "lineal", the lower quality allowed.
You can try the 3D filter, or Andy's "Better 3D"
rafael


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david mayer
Re: Rotating Ghost
on Apr 3, 2013 at 10:37:01 am

Yes - the rotate function is not easy, I agree.
Will try to the 3D filter - thanks.

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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Chris Linke
Re: Rotating Ghost
on Apr 3, 2013 at 1:36:54 pm

You said it looked great in the timeline, but not in the exported QuickTime file, so I would suspect a codec issue during export. What codec did you use for your export file?

Chris Linke
PRC Digital Media
http://www.prcdigital.com


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Mark Suszko
Re: Rotating Ghost
on Apr 3, 2013 at 3:25:26 pm

Is the original source image you rotate a layered image like a photoshop? Maybe you have an extra layer turned on.


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david mayer
Re: Rotating Ghost
on Apr 4, 2013 at 2:01:54 am

HDV footage - not layered

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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david mayer
Re: Rotating Ghost
on Apr 4, 2013 at 2:00:59 am

Quicktime Conversion: 1920 x 1080 HD

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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Rafael Amador
Re: Rotating Ghost
on Apr 4, 2013 at 3:44:26 am

Change the sequence codec to Prores and render.
Avoid QT Conversion.
rafael


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david mayer
Re: Rotating Ghost
on Apr 4, 2013 at 10:30:07 am

How to compress final project for HD upload to YouTube
if not as a Quicktime movie?

iMac 2.8 GHz Intel Core i7, 8 GB
OS 10.6.8
Final Cut Pro 7.0


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Rafael Amador
Re: Rotating Ghost
on Apr 4, 2013 at 12:00:01 pm

[david mayer] "How to compress final project for HD upload to YouTube
if not as a Quicktime movie?"

Yes, but there are many ways to make a QT Movie, and the final quality may depend on the workflow and the tools.
rafael


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