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Simplify fme_surface

  • March 1, 2024
  • 2 replies
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marta.podsiad
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Hi, I am trying to simplify .stl file that is a fme_surface.

I am trying to get from this 

to this 

I have tried MeshSimpifier and Triangulator+MeshSimplifier but it failed

 

Best answer by takashi

Hi @marta.podsiad ,

Just an idea.

  1. GeometryPartExtractor (Geometry XQuery : This part Geometry Type = Mesh part) : Decompose the Mesh geometry into individual Mash parts (Faces).
  2. SurfaceDissolver : Dissove asjacent faces on the same plane into a single face.
  3. Aggregator : Aggregate resulting faces into a MultiSurface.
  4. GeometryCoercer : (Geometry Type : fme_composite_surface) : Transform the MultiSurface to a CompositeSurface.
  5. GeometryCoercer : (Geometry Type : fme_mesh) : Transform the CompositeSurface to a Mesh.

Hope this helps.

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2 replies

takashi
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  • Best Answer
  • March 2, 2024

Hi @marta.podsiad ,

Just an idea.

  1. GeometryPartExtractor (Geometry XQuery : This part Geometry Type = Mesh part) : Decompose the Mesh geometry into individual Mash parts (Faces).
  2. SurfaceDissolver : Dissove asjacent faces on the same plane into a single face.
  3. Aggregator : Aggregate resulting faces into a MultiSurface.
  4. GeometryCoercer : (Geometry Type : fme_composite_surface) : Transform the MultiSurface to a CompositeSurface.
  5. GeometryCoercer : (Geometry Type : fme_mesh) : Transform the CompositeSurface to a Mesh.

Hope this helps.


marta.podsiad
Supporter
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  • Author
  • Supporter
  • March 4, 2024

hi @takashi 

 

Thank you for your message. Unfortunately, mesh simplification went too far while I was following recommended approach.