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During my attempts to convert terrain made in FME (using the TINGenerator transformer) to IFC geometry, I have only managed to successfully store volumes. These are made by extruding flat surfaces to 3D extrusions. Then use the GeometryPropertySetter to set the Geometry Name to "Body". Then i store them with an Ifc writer named "IfcProxy". If I open this file with Solibri model viewer, it shows as a cube (screenshot 1).

However, i cannot seem to store a flat object using this method. (Screenshot 2)

 

Do you have any idea as of how to store flat geometry (instead of solid) using the IFC format writer?

Hi @trym,

Most geometries in IFC are solids, with the exception of IfcSite. You should be able to write a TIN surface to IfcSite, with the geometry name 'Body'.

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