Hey there - 

Just wondering if there is a smart way to easily limit the number of times the 
knobChangeds callbacks are pinged - for instance, I really don't want the 
callback to even think about being run if the knobChanged is a select or xpos 
or ypos. It seems like if there are more than a few knobChangeds callbacks, 
these can add up in wasted cycles and bog the UI a bit, even if each function 
specifies which knob to use.

Specifically, I have one callback that needs to generate the list of knobs used 
each time after it's called, since there are a bunch of dynamically created 
knobs that change with each node. If I could turn off the call to the callback 
for all the default knobs, it seems like it could help speed up things a little 
bit. Maybe as a starter, is there a simple way to get the default gizmo knobs 
and exclude them?

thanks
JRAB



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