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// $Id: G4tgbMaterialMixtureByVolume.hh,v 1.4 2008/12/18 12:58:16 gunter Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
//
// class G4tgbMaterialMixtureByVolume
//
// Class description:
//
// Class to represent a material whose components are given by volume.

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#ifndef G4tgbMaterialMixtureByVolume_h
#define G4tgbMaterialMixtureByVolume_h

#include "globals.hh"

#include <vector>
#include <string>

#include "G4tgbMaterialMixture.hh"

class G4tgbMaterialMixtureByVolume : public G4tgbMaterialMixture
{
  public:  // with description

    G4tgbMaterialMixtureByVolume();
    G4tgbMaterialMixtureByVolume( G4tgrMaterial* tgr );
   ~G4tgbMaterialMixtureByVolume();

    G4Material* BuildG4Material();
      // Return the associated G4Material and if does not exist build it

    void TransformToFractionsByWeight();

  private:

    std::vector<G4double> theFractionsByWeight;
};

#endif
