This is all being built against 6.1v2.
Right now I’ve got a simple NoIop that exposes the incoming tree hash in a
string knob. I’m doing all my work in _validate, so it only updates when a
viewer is connected downstream.
My first question is, is there a way I can have this recalculated/updated
whenever an upstream node is changed, whether a viewer is connected or not? Or
is there a way I can force it to update manually? I’m interested in checking
its status before kicking off a render, so the actual knob value check will be
done through Python or via a TCL expression and would need the upstream tree to
be up to date.
Somewhat related to that, is it possible to add a custom Python node method via
the NDK that will, say, force a call to _validate()?
Finally, it seems that setting the READ_ONLY flag on a String_knob (in
NoIop::knobs()) doesn’t actually make it read-only. Is there some other trick I
need to use to make it so you can’t delete its contents in the GUI?
Thanks for any advice or insights,
-Nathan
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