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Rendering as a PNG sequence

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Simon Harris
Rendering as a PNG sequence
on Oct 13, 2011 at 10:43:54 am

Hey guys i'm really struggling here. I'm a designer for an app company called Appstart and I need a snow effect for a game were working on. I have the effect I want but the only format I can render as is PNG (the only way the coding software will read it). I need an alpha channel for the snow to overlay onto the game but when I try to export it, I keep getting a message saying "Warning: You should also output an alpha channel to use straight colour". Im getting desperate. I'm a total rookie on AE so I would appreciate if you were nice to me if this is a stupid mistake :D
Thanks in advance
Sye


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Walter Soyka
Re: Rendering as a PNG sequence
on Oct 13, 2011 at 2:31:21 pm

Change Channels (under Video Output in the Output module) to "RGB + Alpha."

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Simon Harris
Re: Rendering as a PNG sequence
on Oct 13, 2011 at 2:45:26 pm

Hi I did this but the background is still grey! Am I stupid or something?


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Walter Soyka
Re: Rendering as a PNG sequence
on Oct 13, 2011 at 4:26:20 pm

Is your comp really transparent?

Click the transparency grid button and see if you can see through your particle system to the checkerboard:



Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Simon Harris
Re: Rendering as a PNG sequence
on Oct 14, 2011 at 8:49:40 am

It appears not. I have made some firework type particle explosions and they are transparent but the rain and snow are not.


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Simon Harris
Re: Rendering as a PNG sequence
on Oct 19, 2011 at 1:54:08 pm

Fixed it! i just used a blank photoshop file with a pixel of colour in each corner instead of a solid cheers for the help though :D


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