Hi

I mainly do the precomp in this project for easier organization of the project.

It is 5 small brochures each containing about 8 pages i have to flip through. Normally when i do this i do it with all the pages in the main comp and link them to a null, but i just thought i would give this workflow a try this time, and i just had a hope the expression would work through the precomp if it was set to continous rasterize. But, it didn't. not unmodified that is.

I will probably end up copy/paste the animation of the precomps to a null, and set up all the page layers in the main comp as i normally do :-)

Maybe it is time to do a small feature request for a checkbox on "flat" 3d layers to only render the front side, then you didn't have to use the expressin and it would work with the cont. rasterized 3d precomp too.

Robert Kjettrup / Grafiker / STV Mayday
Mobil: 25 18 95 16
Mail: robert@stvmayday.dk

2012/9/26 scott.aelist <scott.aelist@gmail.com>

It might help if you posted a pic of what you're doing. If you're using continuosly rasterize, it doesn't really matter what the size of your precomps are, does it? Are you nesting your precomps for compositing, or for grouping/parenting/organizational purposes?

On Wed, Sep 26, 2012 at 6:35 AM, Robert Kjettrup <robert@stvmayday.dk> wrote:

Thanks for the tip, but wont work in this case, since the precomps are not the same dimensions as the master comp, and the precomps also have animated translation in the master comp. 

So i think an updated expression is the only way to go, or doing it manually with keyframes.... my last resort :-)

Robert Kjettrup / Grafiker / STV Mayday
Mobil: 25 18 95 16
Mail: robert@stvmayday.dk

2012/9/26 Py Fave <pyfave@gmail.com>

perhaps linking precomp camera's attributes to the main comp's one.

tell me if it works!


2012/9/26 Robert Kjettrup <robert@stvmayday.dk>:

> Hi
>
> I am using this expression to make the layers that face away from the camera
> be invisible.
>
> if (toCompVec([0, 0, 1])[2] > 0 ) value else 0
> (found via Dan's site here:
> http://www.motionscript.com/design-guide/invisible-facing-away.html)
>
> But when i use the comp as a precomp with continious rasterize option turned
> on, the 3d layers that i has the expression ofcourse don't respect  the
> camera in the master comp. Is it possible to write an expression that uses
> the display camera in the master comp that affects the opacity og the 3d
> layers in the continious rasterized precomp?
>
>
> Robert Kjettrup / Grafiker / STV Mayday
> Mobil: 25 18 95 16
> Mail: robert@stvmayday.dk

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