TopologicalMapping.h

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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 3      *
*                (c) 2006-2008 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 :: Framework                              *
*                                                                             *
* Authors: M. Adam, J. Allard, B. Andre, P-J. Bensoussan, S. Cotin, C. Duriez,*
* H. Delingette, F. Falipou, F. Faure, S. Fonteneau, L. Heigeas, C. Mendoza,  *
* M. Nesme, P. Neumann, J-P. de la Plata Alcade, F. Poyer and F. Roy          *
*                                                                             *
* Contact information: contact@sofa-framework.org                             *
******************************************************************************/
#ifndef SOFA_CORE_COMPONENTMODEL_TOPOLOGY_TOPOLOGICALMAPPING_H
#define SOFA_CORE_COMPONENTMODEL_TOPOLOGY_TOPOLOGICALMAPPING_H

#include <stdlib.h>
#include <vector>
#include <string>
#include <iostream>
#include <sofa/core/objectmodel/BaseObject.h>
#include <sofa/core/componentmodel/topology/BaseMeshTopology.h>

namespace sofa
{

namespace core
{

namespace componentmodel
{

namespace topology
{

class TopologicalMapping : public virtual objectmodel::BaseObject
{
public:
    typedef BaseMeshTopology In;
    typedef BaseMeshTopology Out;

    TopologicalMapping(In* from, Out* to)
    : fromModel(from), toModel(to)
    {}

    virtual ~TopologicalMapping() { }
    
//  void setModels(In* from, Out* to)
    //{
    //  fromModel = from;
    //  toModel = to;
    //}

    In* getFrom() {return fromModel;}

    Out* getTo() {return toModel;}

    virtual void updateTopologicalMapping() = 0;

    const std::map<unsigned int, unsigned int>& getGlob2LocMap(){ return Glob2LocMap;}
    const sofa::helper::vector<unsigned int>& getLoc2GlobVec(){ return Loc2GlobVec;}

    virtual unsigned int getGlobIndex(unsigned int ind)
    {   
        if(ind<Loc2GlobVec.size()){
            return Loc2GlobVec[ind];
        }else{
            return 0;
        }
    }

    virtual unsigned int getFromIndex(unsigned int /*ind*/)
    {
        return 0;
    }

    const std::map<unsigned int, sofa::helper::vector<unsigned int> >& getIn2OutMap(){ return In2OutMap;}


protected:

    In* fromModel;
    Out* toModel;

    // Two index maps :

    // Array which gives for each index (local index) of an element in the OUTPUT topology 
    // the corresponding index (global index) of the same element in the INPUT topology :
    sofa::helper::vector<unsigned int> Loc2GlobVec; 

    // Map which gives for each index (global index) of an element in the INPUT topology 
    // the corresponding index (local index) of the same element in the OUTPUT topology :
    std::map<unsigned int, unsigned int> Glob2LocMap;

    std::map<unsigned int, sofa::helper::vector<unsigned int> > In2OutMap;
};

} // namespace topology

} // namespace componentmodel

} // namespace core

} // namespace sofa

#endif