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Disable When...

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I think everyone has seen this "Disable when" parameter in many VOP nodes - obviously what it does is similar to

#pragma disable A B 0

VEX stuff. However I had hard time trying to find out what format this parameter expects to work (to disable itself when another parameter has some value) , Houdini Help was not very helpful either. Does anybody have experience with this? Can you give an example of an expression that should be entered into this 'Disable when' parameter?


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Here is an example:

  { map  "" }

or for multiple conditions

 { use_map 1 }   { mode "zdepth" }

I hope this helps,


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