this will do both in one go:
n['from0'].setValue( 'none' )

On Mar 18, 2011, at 3:50 AM, Ean Carr wrote:

> Hi everyone,
> 
> Are a Copy node's Copy channel knobs a special kind of knob?
> 
> I ask because the 'from0' knob appears to combine two  -- a boolean and an 
> enumeration -- but they're combined as one knob object called simply from0'. 
> They're obviously linked internally but appear to be a single knob object.
> 
> How would I set, for example, from0's boolean to False and the enumeration to 
> none? I have been doing this with the fromScript() method like:
> 
> copy_n['from0'].fromScript('-none')
> 
> ...but is there a better method that I'm missing?
> 
> Thanks,
> Ean
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