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Old 01-16-2013, 05:39 PM   #1
elado
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Elad Omer
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Question Need help with vray animation render question..

Hi everyone,
I am following this well known tutorial below about vray animation render..
and my Q. is:
How to avoid this blurred 1 frame that is created again and again
whenever the camera cuts to another angle ?

(I know why its being created..since the Gi map in the first pre-pass is being
calculated as an average of current frame +the ones on its sides..
thats why its visible only when the camera change position.. but no idea
how to avoid it..)

thanks in advance..
Elad

rendering vray animation with moving objects
 
Old 01-16-2013, 06:20 PM   #2
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Olivier Thériault
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From what I understand, you are using one camera to do every angle (cuts). It is always best to use more than one camera to do cuts. Think of it as in a real life situation. You'd need more than one camera.

Also, if you use motion blur, it will surely create a big problem the way you're doing it.

Did I get the question right or was I completely off? You might want to show an image of your problematic frame.
 
Old 01-16-2013, 07:32 PM   #3
elado
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Elad Omer
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pic

Thanks olivier for your respond..
You understood me right..I have 1 camera for a 3 minutes short animation with
many shots..and cuts between them.

I want to send it to a render farm..and creating many cameras
( 1 for each point of view..some of them repeat but many arent..)
will be very complicated to send to the farm..
(cause of the way I understood its working. from the docs they publish)
Thats why Im kind of stuck here..thinking of maybe sending it the regular way
to render..it didnt make sense for me to do that without checking
how its done by others..
easier to see in the images..(quite nice as a frame..but in a movie..)
 
Old 01-16-2013, 08:19 PM   #4
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olivierth got it right. If you don't want to use multiple cameras, you can change the interpolation (tangents) between keys to step or discard the problematic frames in the final movie.
 
Old 01-17-2013, 03:42 AM   #5
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Olivier Thériault
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If you want to keep it with only one camera, perhaps leaving a few frames between each cut might fix the problem.
 
Old 01-17-2013, 11:07 AM   #6
elado
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Elad Omer
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davius, if I change the interpolation to 0 ..and still use this rendering method
will the animation still benefit from low flickering ? (and maybe shorter render)
or it will be same as using the 1 pass regular rendering way?
(any other number but 0 will still give same results I think.. )

olivierth, thanks for the suggestion..but I cant think of a way to do it without
getting a very complex unwanted results..(for example..since I have specific frame
oriented contollers).
regarding the motion blur it makes sense.. but I have just tested it and it looks ok..

I think maybe I have one way doing it easily..sending the render anyway
and then manually render all the problematic frames(about 60) and replace them in post with after effects..

thanks again for you comments!
Elad
 
Old 01-17-2013, 11:07 AM   #7
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