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Date: Tue, 7 Aug 2012 17:03:43 -0400
From: Greg Balint <greg@delrazor.com>
To: After Effects Mail List <AE-List@media-motion.tv>
Message-ID: <27AE60432DE447389C5FC5ACBE262F85@delrazor.com>
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References: <list-4804278@media-motion.tv>
Subject: Re: [AE] Compositing 3D render passes in AE
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What program are you rendering from? C4d? 

Are your luminance values clamped at 1.0 in the EXRs or do they go much higher?


If they are clamped, I've read you need to disable straight alpha in your render if you're using C4D, to get what you need.

I've done nothing like this before, so this answer is purely off of some quick research and googling.  If it doesn't make sense, it's because of that.  

///Greg Balint
//Art Director / Motion Graphics Designer
/321.514.4839
delRAZOR.com


On Tuesday, August 7, 2012 at 4:31 PM, Teddy Gage wrote:

>    Hello, I am working on a project with some rendered realflow fluid sims, and I'm at the final stages. I have my multilayer EXRs imported as layers, and I'm trying to reconstruct the beauty pass from spec, refract, reflect, shadow, diffuse, AO, vector, motion blur and indirect passes. (output from Mental Ray) I am getting pretty close by using add modes on spec, refract, and reflect, and then multiplying the shadow pass, but when recomped with the background it is way off, and especially once I add ambient occlusion. It looks extremely burned out. I am in a 32bit project. I haven't found any tutorials that are too good about how to layer and blend these passes in AE. Usually I would do this in Toxik / Composite or Nuke, but I prefer AE's layer and keyframe handling better. Especially because I'm going to strip each layer away for a demo animation. Anyone have ideas or can point me to a good tutorial? Thanks,
> TG
> 
> -- 
> Animator & Editor
> www.teddygage.com (http://www.teddygage.com)
> Brooklyn
> 


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    <div id=3D=22reply-content=22>
        What program are you rendering from=3F C4d=3F
    </div><div id=3D=22reply-content=22><br></div><div id=3D=22reply-cont=
ent=22>Are your luminance values clamped at 1.0 in the EXRs or do they go=
 much higher=3F</div><div id=3D=22reply-content=22><br></div><div id=3D=22=
reply-content=22><br></div><div id=3D=22reply-content=22>If they are clam=
ped, I've read you need to disable straight alpha in your render if you'r=
e using C4D, to get what you need.</div><div id=3D=22reply-content=22><br=
></div><div id=3D=22reply-content=22>I've done nothing like this before, =
so this answer is purely off of some quick research and googling. &nbsp;I=
f it doesn't make sense, it's because of that.&nbsp;</div>
    <div id=3D=2247115255C31341959A616555961AD2C2=22><div><br></div>///Gr=
eg Balint<br>//Art Director / Motion Graphics Designer<br>/321.514.4839<b=
r>delRAZOR.com<div><br></div></div>
    =20
    <p style=3D=22color: =23A0A0A8;=22>On Tuesday, August 7, 2012 at 4:31=
 PM, Teddy Gage wrote:</p>
    <blockquote type=3D=22cite=22 style=3D=22border-left-style:solid;bord=
er-width:1px;margin-left:0px;padding-left:10px;=22>
        <div id=3D=22quoted-message-content=22><div>&nbsp;&nbsp; Hello, I=
 am working on a project with some rendered realflow fluid sims, and I'm =
at the final stages. I have my multilayer EXRs imported as layers, and I'=
m trying to reconstruct the beauty pass from spec, refract, reflect, shad=
ow, diffuse, AO, vector, motion blur and indirect passes. (output from Me=
ntal Ray) I am getting pretty close by using add modes on spec, refract, =
and reflect, and then multiplying the shadow pass, but when recomped with=
 the background it is way off, and especially once I add ambient occlusio=
n. It looks extremely burned out. I am in a 32bit project. I haven't foun=
d any tutorials that are too good about how to layer and blend these pass=
es in AE. Usually I would do this in Toxik / Composite or Nuke, but I pre=
fer AE's layer and keyframe handling better. Especially because I'm going=
 to strip each layer away for a demo animation. Anyone have ideas or can =
point me to a good tutorial=3F Thanks,<br>

TG<br clear=3D=22all=22><br>-- <br><span style=3D=22color:rgb(0,0,0)=22>A=
nimator &amp; Editor</span><br style=3D=22color:rgb(0,0,0)=22><span style=
=3D=22color:rgb(0,0,0)=22><a href=3D=22http://www.teddygage.com=22 target=
=3D=22=5Fblank=22>www.teddygage.com</a></span><br style=3D=22color:rgb(0,=
0,0)=22>

<span style=3D=22color:rgb(0,0,0)=22>Brooklyn</span><br><br>
</div></div>
        =20
        =20
        =20
        =20
    </blockquote>
    =20
    <div>
        <br>
    </div>

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