One of the requests that keeps coming up in conversations here, is whether or 
not it is possible to implement a specific kind of UI interaction with bezier 
curves used in Roto operations.

Thus far, I have not needed to address this issue because of work on other, 
more critical projects.  However, I am now faced with the question of whether 
it will be necessary to create from scratch, something very similar to the old 
Bezier Node Operator, or if it is possible to subclass and/or modify existing 
code.

Creating something from scratch certainly can, of course, be done, but I'm 
hoping that it might be possible to convince The Foundry to include some 
curve-editor code in the official 'Examples', or to perhaps make the old Bezier 
node code available, or provide a way to add tools to the current RotoPaint 
Noce, or in some way to help us out.  The changed we want to make are specific 
to the way we do things, and probably not generally applicable.

Thoughts, anyone?



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