maya magic clippingbox?

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  07 July 2013
maya magic clippingbox?

hello fellow problem-solvers!

i have a question for you guys

basically what i would want to do is to have like a box-primitive that only shows whats inside.. yeah..

for example, if one were to put this box so it covers half of a sphere, the rendering would show a semisphere. kind of like an boolean effect, except this happens only in the render and not actually affecting the models topology and such.

is there a way to achieve this effect today? and i am not talking about alpha-channels here. imagine slicing everything along the faces of the box with a magical cg-knife.

  07 July 2013
reverse normal and make single sided.
  07 July 2013
Do you mean a camera frustum? Where only what is inside the frustum is visible?

I wish AD would update their cameras to have some of the same functionality as their more modern stereo cams in terms of visualization.
Though the specific effect you are after, I don't think is possible.
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  07 July 2013
Any chance rendering with 3Delight or RMS ?

They have this feature by the name Constructive Solid Geometry.


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  07 July 2013
The Puppet shader pack had a rendertime Boolean shader, although I've never used it. Rendertime booleans are pretty standard in other programs, maybe you can give this pack a whirl and see if it works for you.
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  07 July 2013
we use vray here, and after getting some answers from the vraywizards here i found two solutions, either by using renderbased boolean (exeactly what i was searching for at first) like in this example but this technique is pretty heavy on the rendertime, so for the fortunate who only want to render out a portion of a scene in the shape of a sphere can use the vrayspherefade, i might actually use this one in the future since it cuts down rendertime instead
  07 July 2013
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