Transform : Smoothing meshes

Transform function T.smooth can smooth meshes. This function is also usable in Mesh::tkSmooth of tkCassiopee. Three algorithms are available: Volume, Scale and Taubin. Volume tends to smooth mesh cells to have all the same volume, scale tends to keep the original cell volume while changing the mesh lines and Taubin is an algorithm that performs negative and positive smoothing, trying to minimally modify mesh points. Constraints can be imposed when smoothing by providing explicit curves or surface or by selecting EF (mesh exterior faces wont move) or SE (sharp edges wont move). Selecting PJ force smoothing to project on the orginal surface at each smoothing step.

              Original and smoothed structured surface mesh on a helicopter fuselage by C. Benoit.

              Original and smoothed TRI surface mesh on an airplane.

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