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Lesson. One major effect at a time. Warp Banner Added to Roto mask during Freeze of Rotoscope.

Participant ,
Jan 29, 2024 Jan 29, 2024

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  1. Clip selected for Roto.
  2. Warp stabilizer added, stabilized.
  3. Rotoed Clip.
  4. During the roto freeze a warp analyize banner was triggered about new frames, which when was then included in the rotomask.

I had to unfreeze mask, render the stabilized clip and start again. 

I don't roto much, or use warp all that often. I am guessing like most major VFX processes, stick to one major element/pass at a time. per comp/clip

 

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correct answers 1 Correct answer

Community Expert , Jan 29, 2024 Jan 29, 2024

If you need to warp stabilize a clip, pre-compose the trimmed clip, making sure to move all attributes and trim to the layer length. Name that Pre-comp something Original Footage. 

 

With the "Original Footage," nested comp in the Main Comp run Warp Stabilizer on the Original footage. When that is done, Pre-compose the "Original Footage" comp again and name that comp something like "Stabilized." If the warp stabilizer took a long time to run, go to the Composition/Pre-render menu to create a sta

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Community Expert ,
Jan 29, 2024 Jan 29, 2024

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If you need to warp stabilize a clip, pre-compose the trimmed clip, making sure to move all attributes and trim to the layer length. Name that Pre-comp something Original Footage. 

 

With the "Original Footage," nested comp in the Main Comp run Warp Stabilizer on the Original footage. When that is done, Pre-compose the "Original Footage" comp again and name that comp something like "Stabilized." If the warp stabilizer took a long time to run, go to the Composition/Pre-render menu to create a stabilized movie of your footage. That will replace the Stabilized nested comp (pre-comp) in your Main comp with footage. If Warp Stabilize only takes a few minutes to run, it is safe to open the "Stabilized" comp in the Layer panel and run Rotobrush. 

 

If you believe that some temporary color correction would improve the edge detail, then apply the color correction to the Stabilized comp or replacement footage, pre-compose again, moving all attributes and trimming to layer length, and name the new comp "Color Corrected for Roto". Open the comp in the layer panel using the Layer/Open menu and apply and freeze Rotobrush.

 

The same rules apply again. If Rotobrush ran quickly, Pre-compose the "Color Corrected for Roto" (if you added color correction) or "Stabilized" comp or Footage, name the comp something like Final Roto. Now, apply any other effects and complete the composite. 

 

Once again, if Rotobrush took a long time - Pre-compose the Roto layer again, name the comp "Final Roto," move all attributes and trim, then use the Composition/Pre-render menu again to render a high quality with alpha copy of the comp and replace it in your main comp.

 

Rotobrush and Warp Stabilizer are resource hogs and can make the main comp unstable. Any time I spend more than a couple of minutes using those tools, I always Pre-render the result, get rid of the original comps, and proceed with the rest of the composite. It takes a little drive space, but your project is a lot less likely to have problems later on.

 

 

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Participant ,
Feb 09, 2024 Feb 09, 2024

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Mr. Gerard,

 

 Thank you for all the feedback and help you've contributed to the community. 

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