Computing Conformal Structure of Surfaces

Details Computing Conformal Structure of Surfaces Computing Conformal Structure of Surfaces

2002-12-13

arxiv.org/abs/cs/0212043v1

Computer Science

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14 pages, 3 figures, simplified version, full version upon request

Scientific paper

This paper solves the problem of computing conformal structures of general 2-manifolds represented as triangle meshes. We compute conformal structures in the following way: first compute homology bases from simplicial complex structures, then construct dual cohomology bases and diffuse them to harmonic 1-forms. Next, we construct bases of holomorphic differentials. We then obtain period matrices by integrating holomorphic differentials along homology bases. We also study the global conformal mapping between genus zero surfaces and spheres, and between general meshes and planes. Our method of computing conformal structures can be applied to tackle fundamental problems in computer aid design and computer graphics, such as geometry classification and identification, and surface global parametrization.

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