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Shadows and Transparency Maps

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spmaloney
Shadows and Transparency Maps
on Oct 24, 2007 at 9:58:31 pm

Hello-

In Invigorator Pro 4.3.1, I've created a sphere that resides inside (right in the middle) of a slightly larger sphere. I used a transparency map to cut text out of the surface of the outside sphere so you can see through to the inside sphere. I can't get the outside sphere to cast any shadows onto the inside sphere though - is that a limitation of transparency maps? I have Shadow Casting enabled on the Zaxwerks lights and have also tried using Comp Lights - neither seem to work.

Thanks for any help you can provide.

Sean


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serge
Re: Shadows and Transparency Maps
on Oct 24, 2007 at 11:18:55 pm

[spmaloney] "is that a limitation of transparency maps"

Yes! But there is as always a workaround;-)

-Duplicate your transparency map in your ae project window after you are done animating it. (I assume that you are using the layer mapping technique)

-Now open this duplicated comp and reduce the transparency of your text layer.
-Blur your text to taste
-Apply the duplicate to your inner sphere as a texture map.
Done!

Here is an example aep for you: http://www.nyc-visual.com/Shadow.zip

Salut.
Serge

"InvigoMany" is back in stock! http://www.nyc-visual.com
Invigorator/Proanimator Training: http://library.creativecow.net/articles/hamad_serge/invig_training.php




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spmaloney
Re: Shadows and Transparency Maps
on Oct 25, 2007 at 1:38:45 am

Brilliant! Thank you so much!!


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