Return volume intensity value from tip of tracked stylus

Hello all,

I am using a Polaris Vicra and SlicerIGT to track a NDI stylus/pointer, and I would like to return the intensity value from a volume at the tip of the stylus (the StylusTipToStylus transform). I am sure that there is a built in function for this, but have been unable to locate it. I would greatly appreciate it if someone could point me in the right direction.

Thanks and best regards,

These two examples should contain all that you need:

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@lassoan That worked, thanks!

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