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Accurate 2D points cloud to polgon transform. HullReplacer gives too 'smooth' a polygon result

  • November 3, 2020
  • 2 replies
  • 28 views

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I want a more exact outline rather than a smoothed outline from a point cloud (2D) I have? See image attached

 

Captureat the moment I use HullReplacer which actually gives too smooth a result

CaptureCan you help

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2 replies

david_r
Celebrity
  • 8392 replies
  • November 3, 2020

Have you tried playing around with the alpha value in the HullReplacer? This value defines the "smoothness" of the result. If no alpha value is given, FME will try to guess one for you, but the result might not be what you want.

See also the documentation:

http://docs.safe.com/fme/2020.1/html/FME_Desktop_Documentation/FME_Transformers/Transformers/hullreplacer.htm


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  • Author
  • 20 replies
  • November 3, 2020

Thanks!