BRepMesh_IncrementalMesh doesn't triangulate conical face coming from a step file

Viktor Kovács's picture
Viktor Kovács
Sun, 12/01/2024 - 10:54
Forums: 
Data Exchange and Application Framework

Hi All,

I'm using OCCT 7.8.1 to import and tesselate STEP files. Overall everything works great, but there are a couple of files where parts of the file can't be triangulated. See the attached test.zip file for an example step file.

I'm using BRepMesh_IncrementalMesh mesh (shape, 0.01, Standard_False); to create the triangle mesh, but when I iterate through the faces the triangulation is null for one face: triangulation = BRep_Tool::Triangulation (face, location);.

See the attached images for my result and the expected result. In my result, the curved face is missing.

Could you point me to any direction on how to resolve the issue?

Attachments: 
Package icon test.zip
Image icon my_result.png
Image icon expected_result.png