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In this case, the reference point seems to be at the origin of the coordinates of the world, but I want to get the length of the path that is sampled here:

enter image description here

enter image description here

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enter image description here

You can capture the length of the spline with Sample Curve by passing the spline length provided by Spline Parameter as Value.

This looks like this:

enter image description here

PS: If you use a NURBS curve, you would have to convert it at the very beginning with the node Resample Curve, otherwise you would always get the interpolated values inherent to the NURBS curve.

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  • $\begingroup$ the countdown starts from 1.3 or I'm connecting the wrong way, you can show the full chain $\endgroup$
    – 1 so
    Aug 30 at 15:40
  • $\begingroup$ @1so Sorry, I don't understand this right now. ...that's the whole node tree. What exactly do you mean by "countdown"? $\endgroup$
    – quellenform ♦
    Aug 30 at 15:44
  • $\begingroup$ uploaded a screenshot, the point of reference 1.3 $\endgroup$
    – 1 so
    Aug 30 at 15:45
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    $\begingroup$ @1so Ah, now I understand what exactly you mean. This has to do with the fact that you are using a NURBS curve here. This doesn't work with this one, because the points are interpolated here. You would have to use a poly curve or a Bezier curve instead, or you use the node Resample Curve (set to Evaluated) at the very beginning. $\endgroup$
    – quellenform ♦
    Aug 30 at 15:49

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