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11.0, 10.5 or later
Houdini and Modo let you edit multiple knobs by simply selecting a few and changing the knob of one of them. This isn't as full-featured as that, but it does let you simply and easily edit multiple nodes at once.
It also pops up a little tooltip-type thingy to let you know you're multi-editing, and which nodes you're editing.
- double-click a node
- select other nodes of the same type
- edit a knob value on the properties panel
- marvel at how all the selected nodes now match
Due to some weirdness with how Nuke handles the knobChanged callback and Link_Knobs, there's a limitation regarding nodes pointed to by Link_Knobs on the containing Group. You can't multiedit a knob pointed to by a Link_Knob on an enclosing group; there's no way to know if you're editing the node in the group or the group, believe it or not.
You also can't multiedit a Group with a Link_Knob pointing to a Link_Knob on a contained Group. Again, there's limitations with the Nuke Python API which prevent this from being handled properly.
Nuke's knobChanged callback isn't aware of which channel is being edited, so if you touch only one channel (say, the red channel on a Color_Knob, or the x channel on position), you will actually update all the other channels of that knob to the value they're at on the master node.
Copy C_MultiKnob.py to your .nuke folder and add this line to your menu.py file: