Identification of C1 and C2 discontinuities for surface meshes in CAD

@article{Jiao2008IdentificationOC,
  title={Identification of C1 and C2 discontinuities for surface meshes in CAD},
  author={Xiangmin Jiao and Narasimha R. Bayyana},
  journal={Computer-Aided Design},
  year={2008},
  volume={40},
  pages={160-175}
}
In computer-aided design and meshing, it is often important to identify the discontinuities (singularities) in coarse surface meshes. Due to the potential low resolution and noise, it is challenging to detect such features. We propose systematic characterizations of the edges, corners, and curves at the singularities of a mesh and develop algorithms to identify these geometric features. Our algorithms can detect C1 discontinuities as well as typical C2 discontinuities. We present the analysis… CONTINUE READING
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