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Simple Mystery: Shadow rendering only in a kind of "bounding box"

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Jacob Giacometti
Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 8:32:47 pm
Last Edited By Jacob Giacometti on Jan 23, 2018 at 8:33:27 pm

Hello,

I made a little video to show the weird behaviour I am having a problem with in AE CC 2014 (youtube link) :






Basically, the shadow of a shape is rendering on the solid behind it within what seems to be a "bounding box" when I parent it to another layer. As soon as I unparent it, although it does not change position, the shadows renders fully normally. There are no layers in between.

I have been trying to figure this out for a while now, I am very curious of your theories.

Thanks !


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Dave LaRonde
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 8:49:57 pm

Precompose the text and the logo.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Jacob Giacometti
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 9:00:07 pm

Yeah ok but isn't this supposed not to do that ?
The actual project is more complex than this stripped down version, I would like to keep the text parented to the logo 😲


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Dave LaRonde
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 9:47:07 pm

Well, you can keep it parented in the nested comp. Sometimes you just have to go with what works.

If you expect AE to perform as promised 100% of the time, you're in for a rude surprise.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Jacob Giacometti
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 9:53:01 pm

😂
OK, so at least we agree this is not normal and it's not just me missing something ?


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Dave LaRonde
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 23, 2018 at 10:05:29 pm

I haven't personally done what you're doing, but it sure sounds like screwy AE behavior to me!
And unfortunately, it happens all too frequently.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Cassius Marques
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 24, 2018 at 11:04:24 am

Have you tried increasing the shadow map resolution? go into composition options, on the 3d tab, go into options...

Cassius Marques
http://www.zapfilmes.com


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Jacob Giacometti
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 24, 2018 at 1:56:05 pm

I had indeed tried increasing it to the max, 4000, and saw no change.
After your comment, I checked it again, and what a surprise when setting it back to the default "comp size" fixed the problem 😱
The shadow doesn't render exactly as smoothly as it does when the layer is unparented, go figure, but at least now it's much closer and doesn't look as bad.
Thank you nice call!


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Jacob Giacometti
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 24, 2018 at 1:58:54 pm

OK MY BAD why can't we edit a post by the way ?!
It was fixed by setting it to the LOWEST value, 250, not comp size. Go figure even more. 😐


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Jacob Giacometti
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 24, 2018 at 2:01:40 pm

OK actually it's still not great it's just that it's less visible at lower shadow map resolution that's all.
I'm going to precomp it 😐😐
Why something so simple not even working after 8297428392 versions of after effects !! 😓


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Walter Soyka
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 24, 2018 at 5:52:49 pm

Can you post a simplified AEP that we can take a look at? I'd be curious to replicate this.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Griffin Englander
Re: Simple Mystery: Shadow rendering only in a kind of "bounding box"
on Jan 29, 2018 at 12:26:50 am

Have you tried Grow bounds?


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