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Get z at xy for NURBS curve?

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What is the method for analyzing a NURBS curve? I want to get the z value of the NURBS curve at specific coordinates as shown in the file. Is the node GET Z AT XY useful for that? Or is that only for surfaces? 



Battle dots marionette (forum).vwx

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Unfortunately, the Get Z at XY probably won't work because a NURBS curve likely doesn't have an actual thickness. I created a work around that might work - I created a loft based on the curve, used the Get Z at XY node and then deleted the loft.


Battle dots marionette create loft.vwx

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