First checkin for OpenMesh 2.0
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
188
Tools/Smoother/SmootherT.hh
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188
Tools/Smoother/SmootherT.hh
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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 2.1.
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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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/** \file SmootherT.hh
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*/
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//=============================================================================
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//
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// CLASS SmootherT
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//
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//=============================================================================
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#ifndef OPENMESH_SMOOTHER_SMOOTHERT_HH
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#define OPENMESH_SMOOTHER_SMOOTHERT_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/System/config.hh>
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#include <OpenMesh/Core/Utils/Property.hh>
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#include <OpenMesh/Core/Utils/Noncopyable.hh>
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//== FORWARDDECLARATIONS ======================================================
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace Smoother {
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//== CLASS DEFINITION =========================================================
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/** Base class for smoothing algorithms.
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*/
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template <class Mesh>
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class SmootherT : private Utils::Noncopyable
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{
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public:
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typedef typename Mesh::Scalar Scalar;
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typedef typename Mesh::Point Point;
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typedef typename Mesh::Normal NormalType;
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typedef typename Mesh::VertexHandle VertexHandle;
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typedef typename Mesh::EdgeHandle EdgeHandle;
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// initialize smoother
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enum Component {
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Tangential, ///< Smooth tangential direction
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Normal, ///< Smooth normal direction
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Tangential_and_Normal ///< Smooth tangential and normal direction
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};
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enum Continuity {
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C0,
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C1,
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C2
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};
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public:
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// constructor & destructor
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SmootherT( Mesh& _mesh );
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virtual ~SmootherT();
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public:
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/// Initialize smoother
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/// \param _comp Determine component to smooth
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/// \param _cont
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void initialize(Component _comp, Continuity _cont);
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//@{
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/// Set local error
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void set_relative_local_error(Scalar _err);
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void set_absolute_local_error(Scalar _err);
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void disable_local_error_check();
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//@}
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/// Do _n smoothing iterations
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virtual void smooth(unsigned int _n);
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/// Find active vertices. Resets tagged status !
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void set_active_vertices();
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private:
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// single steps of smoothing
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void compute_new_positions();
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void project_to_tangent_plane();
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void local_error_check();
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void move_points();
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protected:
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// override these
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virtual void compute_new_positions_C0() = 0;
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virtual void compute_new_positions_C1() = 0;
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protected:
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// misc helpers
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const Point& orig_position(VertexHandle _vh) const
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{ return mesh_.property(original_positions_, _vh); }
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const NormalType& orig_normal(VertexHandle _vh) const
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{ return mesh_.property(original_normals_, _vh); }
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const Point& new_position(VertexHandle _vh) const
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{ return mesh_.property(new_positions_, _vh); }
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void set_new_position(VertexHandle _vh, const Point& _p)
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{ mesh_.property(new_positions_, _vh) = _p; }
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bool is_active(VertexHandle _vh) const
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{ return mesh_.property(is_active_, _vh); }
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Component component() const { return component_; }
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Continuity continuity() const { return continuity_; }
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protected:
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Mesh& mesh_;
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private:
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Scalar tolerance_;
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Scalar normal_deviation_;
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Component component_;
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Continuity continuity_;
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OpenMesh::VPropHandleT<Point> original_positions_;
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OpenMesh::VPropHandleT<NormalType> original_normals_;
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OpenMesh::VPropHandleT<Point> new_positions_;
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OpenMesh::VPropHandleT<bool> is_active_;
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};
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//=============================================================================
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} // namespace Smoother
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} // namespace OpenMesh
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//=============================================================================
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#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SMOOTHERT_C)
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#define OPENMESH_SMOOTHERT_TEMPLATES
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#include "SmootherT.cc"
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#endif
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//=============================================================================
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#endif // OPENMESH_SMOOTHER_SMOOTHERT_HH defined
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//=============================================================================
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