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In-Reply-To: <list-5180073@media-motion.tv>
References: <list-5180073@media-motion.tv>
Date: Mon, 19 Aug 2013 11:12:22 -0500
Message-ID: <CAH7LPMSKa6Ty0h7sC+mjwnt2Gy0YvPmOjmRfg8rKWUJQqoaE0A@mail.gmail.com>
Subject: Re: [AE] expression to check for a 3d layer
From: Drew Gilmore <dotsandlines@gmail.com>
To: After Effects Mail List <AE-List@media-motion.tv>
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Huh, an interesting omission... but the workaround works perfectly. Thanks
to both of you!

Drew


On Mon, Aug 19, 2013 at 8:55 AM, Satya G Meka (Lists) <lists@rowbyte.com>wr=
ote:

>  You can check for a property only 3d Layers have, for example
> var threeD =3D true;
> try {
> thisComp.layer("Control Layer").materialOption.ambient
> } catch (err) {
> //Not a 3D layer
> threeD =3D false;
> }
>
> threeD is either 1 or 0 numerically.
>
> regards,
> Satya.
>
> On Monday, August 19, 2013 at 6:44 AM, mylenium@mylenium.de wrote:
>
>  Unfortunately there is no built-in method to check for that. you will
> have to tag your layers somehow by naming them suitably or applying a
> specificalyl named dummy effect that can be searched for.
>
>  Mylenium
>
>  [Pour Myl=E8ne, ange sur terre]
> -----------------------------------------
> www.mylenium.de
>
>
> Drew Gilmore <dotsandlines@gmail.com> hat am 19. August 2013 um 15:09
> geschrieben:
>
>  I'm trying to write an expression that checks if a layer (specified by a
> layer expression control) has its 3D layer switch on.
>
>  L=3Deffect("Layer Control")("Layer");
>  if ( L.threeDLayer)   { //do something };
>
>  But I get the error "Class 'Layer' has no property or method named
> 'threeDLayer'".
>
>  I've checked all over for an example, and can't find anything that
> doesn't look like this. I'm sure I'm missing something simple and
> object-oriented...
>
>  Drew
>  --
>  Drew Gilmore
>  Just a guy made of dots and lines.
>
>  www.newtonscannon.com
>
>
>
>
>
>
>
>
>
>
>
>
>

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<div dir=3D"ltr"><div>Huh, an interesting omission... but the workaround wo=
rks perfectly. Thanks to both of you!<br><br></div>Drew<br></div><div class=
=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Mon, Aug 19, 2013 at=
 8:55 AM, Satya G Meka (Lists) <span dir=3D"ltr">&lt;<a href=3D"mailto:list=
s@rowbyte.com" target=3D"_blank">lists@rowbyte.com</a>&gt;</span> wrote:<br=
>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
                <div>
                    You can check for a property only 3d Layers have, for e=
xample
                </div><div>var threeD =3D true;</div><div>try {</div><div><=
span style=3D"white-space:pre-wrap">	</span>thisComp.layer(&quot;Control La=
yer&quot;).materialOption.ambient</div><div>} catch (err) {</div><div><span=
 style=3D"white-space:pre-wrap">	</span>//Not a 3D layer</div>
<div><span style=3D"white-space:pre-wrap">	</span>threeD =3D false;</div><d=
iv>}</div><div><br></div><div>threeD is either 1 or 0 numerically.</div><di=
v><br></div><div>regards,</div><div>Satya.</div><div class=3D"HOEnZb"><div =
class=3D"h5">

                <div></div>
                =20
                <p style=3D"color:#a0a0a8">On Monday, August 19, 2013 at 6:=
44 AM, <a href=3D"mailto:mylenium@mylenium.de" target=3D"_blank">mylenium@m=
ylenium.de</a> wrote:</p>
                <blockquote type=3D"cite" style=3D"border-left-style:solid;=
border-width:1px;margin-left:0px;padding-left:10px">
                    <span><div><div>
   =20
 =20
  =20
 =20
 =20
 =20
  <div>
   Unfortunately there is no built-in method to check for that. you will ha=
ve to tag your layers somehow by naming them suitably or applying a specifi=
calyl named dummy effect that can be searched for.
  </div> =20
  <div>
   =A0
  </div> =20
  <div>
   Mylenium
  </div> =20
  <div>
   =A0
  </div> =20
  <div>
   [Pour Myl=E8ne, ange sur terre]
   <br>-----------------------------------------
   <br><a href=3D"http://www.mylenium.de" target=3D"_blank">www.mylenium.de=
</a>
  </div> =20
  <div>
   =A0
  </div><blockquote type=3D"cite"><div>
   Drew Gilmore &lt;<a href=3D"mailto:dotsandlines@gmail.com" target=3D"_bl=
ank">dotsandlines@gmail.com</a>&gt; hat am 19. August 2013 um 15:09 geschri=
eben:
   <br>
   <br> =20
   <div dir=3D"ltr">
    I&#39;m trying to write an expression that checks if a layer (specified=
 by a layer expression control) has its 3D layer switch on. =20
    <div>
     =A0
    </div> =20
    <div> =20
     <div>
      L=3Deffect(&quot;Layer Control&quot;)(&quot;Layer&quot;);
     </div> =20
     <div>
      if ( L.threeDLayer) =A0 { //do something };
     </div> =20
     <div>
      =A0
     </div> =20
     <div>
      But I get the error &quot;Class &#39;Layer&#39; has no property or me=
thod named &#39;threeDLayer&#39;&quot;.
     </div> =20
     <div>
      =A0
     </div> =20
     <div>
      I&#39;ve checked all over for an example, and can&#39;t find anything=
 that doesn&#39;t look like this.=A0I&#39;m sure I&#39;m missing something =
simple and object-oriented...
     </div> =20
     <div>
      =A0
     </div> =20
     <div>
      Drew
     </div> =20
     <div>
      --
     </div> =20
     <div>
      Drew Gilmore
     </div> =20
     <div>
      Just a guy made of dots and lines.
     </div> =20
     <div>
      =A0
     </div> =20
     <div>
      <a href=3D"http://www.newtonscannon.com" target=3D"_blank">www.newton=
scannon.com</a>
     </div> =20
     <div>
      =A0
     </div> =20
     <div> =20
      <p style=3D"margin:0px;font-size:11px;font-family:&#39;Lucida Grande&=
#39;">=A0</p> =20
      <p style=3D"margin:0px">=A0</p> =20
      <p>=A0</p> =20
     </div> =20
    </div> =20
   </div> =20
  </div></blockquote><div>
   <br>=A0
  </div>
 =20
</div></div></span>
                =20
                =20
                =20
                =20
                </blockquote>
                =20
                <div>
                    <br>
                </div>
            </div></div></blockquote></div><br></div>

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