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Question

Assign Z value to 2d points from 3d line

  • December 1, 2025
  • 2 replies
  • 67 views

checcosisani
Contributor
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I need to assign a z-value to 2d points snapped along a 3d line.

My steps 

 

anchoredsnapper to snap the 2d points to 3d line

Chopper to extract the vertex of  3d line create vertex of 3d line

NeighborFinder to find the closed vetex (of 3d line) to my 2d points  

 

but now the question is how can be sure that the nearest vertex belong to the lines where my points are snapped ?  

In red a point without z value but if I increase the maximun distance of NeighborFinder the risk is to assign the wrong z value (I mean the z value of the other line)

 

So at the end my goal is to assign the z value to the points starting from the line where these points are snapped  (sorry for bad explanation...)

 

thx for support

 

Francesco

2 replies

alexbiz
Influencer
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  • Influencer
  • December 1, 2025

Hey Francesco, 

AnchoredSnapper support 3D snapping since FME 2025.2 !

From the FME 2025.2 Features Highlights post :

Is this what you need ?


checcosisani
Contributor
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  • Author
  • Contributor
  • December 1, 2025

Hi Alex

 

thx … but I don’t have 2025.2 

 

Francesco