[Rowby Goren]

Hi
For anyone else following this thread….

I was also looking to do the “Harry Potter” effect with particle particular. I found this tutorial to be helpful. https://youtu.be/K-onp3cNRaw
One interesting approach in the above tutorial is the use of a camera to adjust the direction.

Rowby

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[Rowby Goren]

Thanks. Have made note of the ISO settings. Any other settings on the camera that are important. (Canon Mark iii is what I use).

I know the importance of good even lighting, and standing away from the background.

What about depth of field? FOr example I read somewhere that keeping the green screen slightly out of focus can be helpful.

Any other thoughts would be appreciated!

Thanks
Rowby

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[Rowby Goren]

Hi Jeff,

I tried using the Dynamic Link but ran into headaches. So I installed and used the Matrox Codex as you suggested.

It looks great.

In Premiere’s CS5 Export Settings I used the following:

Format: Microsoft AVI
Preset: Custom
Video Format: Matrox MPEG-2 I-Frame HD + Alpha (Several Matrox Codex were automatically added to the dropdown via the easy Matrox installation program that came in the zip.)

I followed the PDF’s instructions that were included in the zip file and made sure my settings (i.e. Frame Rate) matched the source file.

Then imported it into After Effects and it came with the alpha channel and the correct aspect ratio.

Your advice was very valuable to me — and I am sure to others. And now I have an additional export tool (the various Matrox codex).

And for those who are wondering, you don’t have to have a Matrox card installed in your machine to take advantage of the codex.

Regards,

Rowby

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[Rowby Goren]

Hi Ann,

But will a dynamic link handle an alpha channel coming IN from Premiere?

Specifically I have a video which has a alpha channel in premiere. Hmmmm…. I guess what you are saying makes sense…..?????

🙂
Rowby

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[Rowby Goren]

Hi Jeff,

Thanks for your reply.

I’m importing it into After Effects CS5. I’ll check your settings and download the Matrox codec from your link.

I’ll report back here the results!

Regards,

Rowby

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[Rowby Goren]

Hi Shane,

This article implies that there are two file sizes that the Mark III can use.

Both are H.264. But different compressions. One they call ALL-I and the other they call IPB. All-I has a much larger file size, as I understand it. I am wondering if the bigger file size would take more cpu to work with.

https://www.eatmylight.com/canon-5d-mark-iii-video-compression-test/

Your thoughts?

Thanks!

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[Rowby Goren]

Thanks Dave,

That’s exactly what I was looking for. I’m familiar with keyframes but AE clearly has some features that I am not used to.

So off to the tutorial links you supplied.

Best regards

Rowby

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[Rowby Goren]

Thanks Dave for your response.

I’ll check that manual.

The problem I’m having is over time (animation) I keep seeing nodes being added to my cc simple wire removal tool.

I start out with something very simple — A & B — but as I move to later frames, other nodes seem to spring up for no “reason”,extending my original A&B — adding curve handles, etc.

I am sure it has something to do with some very basic After Effects concept that I am missing.

Rowby

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[Rowby Goren]

Hi Here’s the link to Aharon Rabinowitz super tight’s junk matte tutorial.

https://tv.adobe.com/watch/creative-cow-after-effects-tutorials/super-tight-junk-mattes/

Rowby

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[Rowby Goren]

Here’s my latest attempts using the following settings:

https://youtu.be/OIXCSWOdP8Q
and for a closer look:

https://youtu.be/8q5lVdJDuwE
Attempt to replace napkin with dark blue blend.

Any suggestions on how to improve the edges — and any other suggestions for improvements.. I want the folds of the napkin to show — to keep it from just being a “solid”.

Settings: Rotobrush
Rotobrush matte:
Smooth 2..0
Feather 0.0
Choke -60% (note minus)
Reduce chatter 100%

Any way to improve the edges?
Refine matte On
Motion blur off
Decontaminate edge colors off

Using Luma Matte and Multiply blend mode in After effects

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