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Update one objects material without re-rendering the entire scene
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  • Total Posts: 3
  • Joined: 22 August 2006 03:43 PM

I created an animation for a client and later the client is asking if I can change the material on one object in a (very large) multi-object animation. To do this would force me to re-render the entire animation because that object shows up almost in every frame.

I thought if I can re-render the clips of just that one object and lay it over in compositing software that might do the trick but other objects come in front of the object and so on so this doesn’t seem like a good idea.

Is there another way, like render elements or something I can do to accommodate the clients request without having to re-render the project?

Any help would be greatly appreciated.

Sincerely,

John


Replies: 0
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  • Samab
  • Posted: 28 August 2010 12:18 AM

If you are rendering with mental ray, there is a shader for exactly that purpose called “Render Subset of Scene”. Look it up in the documentation.


Replies: 1
/userdata/avatar/avatar_19031.jpg

Yes, a very interesting shader, anyway keep in mind that it working probably only for small changes in the material. Into other words if the particular object is visible in reflections they will not be updated. The same like by the “Subset Pixel Rendering” tool.
However I have never used it and I am very curious to know how it is working.
Post the result if any. :)

Author: ivan iliev
Replied: 28 August 2010 09:28 AM  




   
 
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