I'm not sure anyone wants to use an obsolete knob, but it's easy to
bump into it:
c = nuke.createNode('Camera2')
c['world_matrix']
|
#
Result:
<IArray_Knob object
at 0xbe640a8>
|
Ok, cool, that's the type of knob I wanted. I'll add that knobtype to
the fancy gizmo I'm making:
IAK = nuke.IArray_Knob('bla', 'bla')
myFancyGizmo.addKnob(IAK)
Ok, added fine. Now let's use it... <copy/paste, open script, etc>
Doh! What happened?
jrab
Howard
Jones wrote:
out of interest what is an obsolete knob used for anyway?
Howard
You are definitely not crazy - at least concerning your
question.
The fun part is creating a knob that you didn't know is Obsolete
(Array?) and the KnobType somehow changes from what the docs say should
be 9 to the Obsolete value of 0.
I just noticed in 6.3v5 that at least when pasted, the knob didn't drop
out, but it became +INVISIBLE when pasted. So maybe since whatever knob
you created ended up being a 0, it wouldn't accept a matrix or string
or whatever values a type 0 accepts? Turning off the +INVISIBLE, the
array knob i created shows up as an [Unlinked LinkKnob]...
jrab
Nathan Rusch wrote:
Am I crazy, or is it impossible to create an Obsolete Knob
properly without using C++?
The GUI method just eats whatever script you set to run when
the
knob is set, and the Python wrapper exposes no functionality for
setting up an execution script. Thus, when the knob is loaded/pasted,
it generates an error, a la:
"Obsolete_knob foo call is wrong, probably missing NULL for
script argument."
-Nathan
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