106 lines
4.7 KiB
C++
106 lines
4.7 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2015, RWTH-Aachen University *
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* Department of Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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#ifndef SMOOTH_MESH_HH
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#define SMOOTH_MESH_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/Utils/Property.hh>
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//== NAMESPACE ================================================================
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namespace OpenMesh { //BEGIN_NS_OPENMESH
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template <class _Mesh, class _PropertyHandle>
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void smooth_mesh_property(unsigned int _n_iters, _Mesh& _m, _PropertyHandle _pph)
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{
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typedef typename _PropertyHandle::Value Value;
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std::vector<Value> temp_values(_m.n_vertices());
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for (unsigned int i=0; i < _n_iters; ++i)
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{
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for ( typename _Mesh::ConstVertexIter cv_it = _m.vertices_begin();
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cv_it != _m.vertices_end(); ++cv_it)
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{
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unsigned int valence = 0;
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Value& temp_value = temp_values[cv_it->idx()];
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temp_value.vectorize(0);
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for ( typename _Mesh::ConstVertexVertexIter cvv_it = _m.cvv_iter(cv_it);
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cvv_it; ++cvv_it)
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{
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temp_value += _m.property(_pph,cvv_it);
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++valence;
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}
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if (valence > 0)
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{//guard against isolated vertices
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temp_value *= (typename Value::value_type)(1.0 / valence);
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}
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else
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{
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temp_value = _m.property(_pph, cv_it);
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}
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}
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for ( typename _Mesh::ConstVertexIter cv_it = _m.vertices_begin();
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cv_it != _m.vertices_end(); ++cv_it)
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{
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_m.property(_pph,cv_it) = temp_values[cv_it->idx()];
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}
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}
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}
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template <class _Mesh>
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void smooth_mesh(_Mesh& _m, uint _n_iters)
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{
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smooth_mesh_property(_n_iters, _m, _m.points_pph());
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}
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};//namespace OpenMesh
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#endif//SMOOTH_MESH_HH
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