[Bf-funboard] Layered Graph Editor System

Peter Haehnlein hidarikiki at gmx.net
Thu Mar 19 13:08:55 CET 2009


   The idea of adding/subtracting curves is very simple, understandable 
and in my opinion very good. Just one addition.

   If you have two curves, you can use frames to synchronise them, or 
you can say: curve B should span 100 per cent of the length of curve A, 
no matter how they differ in frame length. The second example is equal 
to the 'fac' in the sequence editor. If one could choose between the two 
methods of interpretation on a per curve basis, it would make the idea 
even more flexible.

Peter Haunt_House Haehnlein

>>This idea comes actually from SideFX Houdini, and it is about layering the
>>curves(animations) of channels.
>>You got animation A and animation B.
>>Lets say animation A is keyframed and covers all timeline. Animation B is
>>keyframed one little sample(ex.One period of sin function) which is extended
>>to infinite repeating. And you combine this curves into one with help of
>>methods like "Add", "Substract", "Multiply" and so on. You can everytime
>>change the base curve(A) and adjust the sample curve(B) to get exactly what
>>you want.
>>I think it is really smart solution, and save me a lot of time during the
>>project I am working on.
>>What do you think?
>>Pavel Siska
>>Bf-funboard mailing list
>>Bf-funboard at blender.org
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