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Adjust text and photo colors after smoke/ dust has passed

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Sander van Pelt
Adjust text and photo colors after smoke/ dust has passed
on Jul 13, 2020 at 6:06:57 am

Hello everybody,

I want to create a look-a-like intro like the Netflixserie "La ForĂȘt" has.

This intro starts with 3 layers;
One background photo of a forest behind a solid mask and a non-filled text:


A layer with a video of appearing smoke must be add to these layers.
If the video starts, and the smoke appears, everything of the solid mask behind the smoke becomes invisible and the background photo becomes visible. If the smoke reach the text, the text must change slowly into the solid mask color. But also, only the part of the text behind the smoke.
If the smoke has covered the whole image, you'll see the background photo and the text wit the solid mask color.

You can see what I mean





Who knows how I can create this?

Thank you

Sander

Sorry for my English grammar, but English is not my main language.


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Filip Vandueren
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 13, 2020 at 12:41:11 pm

The "smoke" (it is actually Ink/paint in a water tank)
is used as a luma matte for the video of the forest.

A White text-layer is above the video with Blending mode set to Difference/Classic Difference/Exclusion. (choose one of those three to taste, I can't judge from this clip which was used, they have subtly different effects)

The ink-layer is duplicated and this second copy used as a luma matte for a 2nd white text-layer that has a dropshadow, this is only faded in in the last seconds.

You can see that the text first has a transparant/negative effect (=Difference),
but at the end the letters are either fully Black or white.
The white parts have a dropshadow, the black part of the T does not.



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Sander van Pelt
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 14, 2020 at 11:28:03 am

Thank you for your reply Filip,

Your sollution helped me but I could not get what I want.

I was thinking about a text but instead of the text, I want a logo (with multiple colors) that appears in my intro.

I want to start with a white solid on which only this logo, with the colors of the film, is visible.
(To create this, isn't a problem (logo and movie as an Alpha matte))

Now it is the intention that the ink shows both the film and the logo.

I made 2 pre-compositions; one with the main movie and the ink movie as Luma matte and another with the logo and the ink movie as Luma matte.

Now the entire logo and film are already slightly visible already before the ink becomes visible. Changing the transparency for a few seconds does not help because, after those x seconds, the logo and film next to the ink are visible again.

How can I make sure that only the part with the ink is visible? That the opacity of the other part is 100%.

Because I want to use multiple ink films at different positions, I also see an overlap between these ink films. This is because the background colors of these videos are slightly different from each other:


Is there a sollution to solve this problem?

And, at the beginning of my main composition, I can't manage to see only the logo in the background colors/ movie colors before the precompositions start.
I've add the logo and the movie to the main composition. And the movie is an Alpha matte which only shows the logo in the background movie colors. But this doesn't help.


Thank you for your help.


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Filip Vandueren
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 14, 2020 at 11:32:08 am

Probably just an issue with the contrast of the ink footage?
Add levels to clip the black and white a bit



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Sander van Pelt
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 15, 2020 at 11:15:48 am

Hello again Filip,

I've solved the problem with the overlap. I found another Ink movie with a completly white background.
And, after creating a new movie first with a couple of this Ink movies with different sizes and rotations, I'd put this into my composition.

But there is one thing that will not succeed.
How do I make sure that I first see the logo in the colors of the film and that it changes to the real colors of the logo when that ink is over it?


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Filip Vandueren
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 15, 2020 at 1:30:23 pm

Probably just an extra copy of your logo, also matted.
I think you're trying to do too many things with too few layers.



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Sander van Pelt
Re: Adjust text and photo colors after smoke/ dust has passed
on Jul 13, 2020 at 1:13:23 pm

Sorry I forgot; the intro starts @1:13

Sander

Sorry for my English grammar, but English is not my main language.


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