Hi guys,

I'm changing the values of a knob when the user drags the mouse on the viewer. 
Using Knob->set_value() to do so.

Can see the values changing all the time while dragging the mouse, but the 
plugin doesn't get re-rendered until mouse release.

How can I force the plugin to re-render?

I was expecting the node working similar to a grade node when you use the color 
picker, that constantly updates the image so you can easily see what the result 
is...

Thanks in advance,
Cuco Bures

P.S. Btw, is there any better way to set the values of the knob other than that?
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