93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
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//=============================================================================
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//
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// OpenMesh
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// Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen
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// www.openmesh.org
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//
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//-----------------------------------------------------------------------------
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//
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// License
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation, version 2.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//-----------------------------------------------------------------------------
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//
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// $Revision: 1802 $
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// $Date: 2008-05-19 11:55:07 +0200 (Mo, 19. Mai 2008) $
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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.handle().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.handle().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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