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salvame

Render Glass with Alpha for Compositing SOLVED

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I dont know why or how to get this glass to be transparent. I tried putting on the Alpha Channel or Straight alpha or Transparent Film in the render settings and adding post effects. But i dont know how i can get a transparency so i can composite the glass in After Effects. In the images The Sphere is using the Glass Dispersion. Glass should have transparency. Help!

 

Screen Shot 2019-05-15 at 7.07.55 PM.png

Screen Shot 2019-05-15 at 7.08.26 PM.png

Screen Shot 2019-05-15 at 7.08.02 PM.png

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Because i cant edit my post. You need to up both the ray bounces and transparency depth, with glass you should always use hdr. I've included below a sample scene.  If you save it out as a psd it will also have the alpha set for AE

 

glass for forums.c4d

glass test.png

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Ah, YES !. Thank you. I forgot to add a Multi-Pass RGBA. Ehhh.... sorry n00b move.

Thank you.

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4 minutes ago, salvame said:

Ah, YES !. Thank you. I forgot to add a Multi-Pass RGBA. Ehhh.... sorry n00b move.

Thank you.

I would (and i am probably going to ) for cycles renders set that as a default. As without that set, the preview and final renders are actually different.  As for n00b moments, we all have them.

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