Alpha Channel

Enthusiast ,
May 17, 2022 May 17, 2022

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You can notice in this work no layer is selected but Alpha Channel targets "Fabric" layer only. How is it possible? 

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Adobe Community Professional , May 18, 2022 May 18, 2022

That tutorial is teaching you how to make a track matte. The goal is to make the fabric image only visible where the animated large type is.

The channel menu is a preview tool. It allows you to preview the color channels and alpha channel of your composition. it doesn't preview layer by layer but instad if the composite result of all the layers visible in the comp.

The alpha channel preview isn't targeting anything. The areas of the comp that are opaque display as white, the ares that are fully

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Adobe Community Professional ,
May 17, 2022 May 17, 2022

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You get the alpha of your combined layers including the text and shape layers. I'm a bit confused... What do you expect to occur?

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Enthusiast ,
May 17, 2022 May 17, 2022

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That mean you say that all six layers have an effect on Alpha Channel activation. This is a online tutorial

3  Create transparency with layers

 

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Adobe Community Professional ,
May 18, 2022 May 18, 2022

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That tutorial is teaching you how to make a track matte. The goal is to make the fabric image only visible where the animated large type is.

The channel menu is a preview tool. It allows you to preview the color channels and alpha channel of your composition. it doesn't preview layer by layer but instad if the composite result of all the layers visible in the comp.

The alpha channel preview isn't targeting anything. The areas of the comp that are opaque display as white, the ares that are fully transparent display as black and any semi–transparent area displays as gray.

The black background color you see on the left of your comp is the comp background, it's just a preview, it's really empty space.

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Enthusiast ,
May 19, 2022 May 19, 2022

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Thanks

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