/usr/include/sofa/component/topology/EdgeSetTopologyContainer.h is in libsofa1-dev 1.0~beta4-6.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_COMPONENT_TOPOLOGY_EDGESETTOPOLOGYCONTAINER_H
#define SOFA_COMPONENT_TOPOLOGY_EDGESETTOPOLOGYCONTAINER_H
#include <sofa/component/topology/PointSetTopologyContainer.h>
namespace sofa
{
namespace component
{
namespace topology
{
using core::componentmodel::topology::BaseMeshTopology;
typedef BaseMeshTopology::PointID PointID;
typedef BaseMeshTopology::EdgeID EdgeID;
typedef BaseMeshTopology::Edge Edge;
typedef BaseMeshTopology::SeqEdges SeqEdges;
typedef BaseMeshTopology::VertexEdges VertexEdges;
/** a class that stores a set of edges and provides access to the adjacency between points and edges */
class SOFA_COMPONENT_CONTAINER_API EdgeSetTopologyContainer : public PointSetTopologyContainer
{
friend class EdgeSetTopologyModifier;
public:
EdgeSetTopologyContainer();
EdgeSetTopologyContainer(const sofa::helper::vector< Edge > &edges);
virtual ~EdgeSetTopologyContainer() {}
/// Procedural creation methods
/// @{
virtual void clear();
virtual void addEdge( int a, int b );
/// @}
virtual void init();
/// BaseMeshTopology API
/// @{
virtual const SeqEdges& getEdges()
{
return getEdgeArray();
}
/** \brief Returns the edge shell of the ith DOF.
*
*/
virtual const VertexEdges& getEdgeVertexShell(PointID i);
/** \brief Returns the index of the edge joining vertex v1 and vertex v2; returns -1 if no edge exists
*
*/
virtual int getEdgeIndex(PointID v1, PointID v2);
/// @}
/** \brief Checks if the topology is coherent
*
* Check if the shell arrays are coherent
*/
virtual bool checkTopology() const;
/** \brief Returns the number of edges in this topology.
* The difference to getNbEdges() is that this method does not generate the edge array if it does not exist.
*/
unsigned int getNumberOfEdges() const;
/** \brief Returns the Edge array.
*
*/
virtual const sofa::helper::vector<Edge> &getEdgeArray();
/** \brief Returns the Edge Shell array.
*
*/
virtual const sofa::helper::vector< sofa::helper::vector<unsigned int> > &getEdgeVertexShellArray();
/** \brief Returns the number of connected components from the graph containing all edges and give, for each vertex, which component it belongs to (use BOOST GRAPH LIBRAIRY)
@param components the array containing the optimal vertex permutation according to the Reverse CuthillMckee algorithm
*/
virtual int getNumberConnectedComponents(sofa::helper::vector<unsigned int>& components);
/** \brief Returns a non-const edge shell of the ith DOF for subsequent modification
*
*/
virtual sofa::helper::vector< unsigned int > &getEdgeVertexShellForModification(const unsigned int i);
/** \brief Creates the EdgeSet array.
*
* This function must be implemented by derived classes to create a list of edges from a set of triangles or tetrahedra
*/
virtual void createEdgeSetArray();
/** \brief Creates the EdgeSetIndex.
*
* This function is only called if the EdgeShell member is required.
* EdgeShell[i] contains the indices of all edges having the ith DOF as
* one of their ends.
*/
virtual void createEdgeVertexShellArray();
bool hasEdges() const;
bool hasEdgeVertexShell() const;
void clearEdges();
void clearEdgeVertexShell();
protected:
/*** The array that stores the set of edges in the edge set */
sofa::helper::vector<Edge> m_edge;
DataPtr< sofa::helper::vector<Edge> > d_edge;
/** the array that stores the set of edge-vertex shells, ie for each vertex gives the set of adjacent edges */
sofa::helper::vector< sofa::helper::vector< unsigned int > > m_edgeVertexShell;
virtual void loadFromMeshLoader(sofa::component::MeshLoader* loader);
};
} // namespace topology
} // namespace component
} // namespace sofa
#endif
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