Plumber: a method for a multi-scale decomposition of 3D shapes into tubular primitives and bodies
SM '04 Proceedings of the ninth ACM symposium on Solid modeling and applications
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We propose a method to model and control topological changes by a smooth defonnation of a polyhedral mesh using curves and loops.As changing the genus of a surface is not a continuous transformation, the topological change is made when an intermediate shape between the two topologies has been obtained.The creation and the deletion of holes are studied.The deletion of a hole uses non null-homotopic loops to designate the hole to be deleted.A method computing two independent loops associated to a hole is presented.