GlobalAlignment.h

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//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DD4HEP_ALIGNMENT_GLOBALALIGNMENT_H
#define DD4HEP_ALIGNMENT_GLOBALALIGNMENT_H

// Framework include files
#include "DD4hep/Objects.h"
#include "DD4hep/Volumes.h"
#include "DD4hep/Alignments.h"
#include "TGeoPhysicalNode.h"

namespace DD4hep {

  namespace Alignments {


    class GlobalAlignment : public Handle<TGeoPhysicalNode> {

      typedef Geometry::RotationZYX RotationZYX;
      typedef Geometry::Transform3D Transform3D;
      typedef Geometry::Position    Position;
      
    public:
      GlobalAlignment();
      GlobalAlignment(TGeoPhysicalNode* p)
        : Handle<TGeoPhysicalNode>(p)  {
      }
      GlobalAlignment(const GlobalAlignment& c);
      template <typename Q> GlobalAlignment(const Handle<Q>& e)
        : Handle<TGeoPhysicalNode>(e) {
      }
      GlobalAlignment(const std::string& path);
      GlobalAlignment& operator=(const GlobalAlignment& c);
      int numNodes() const;
      PlacedVolume placement()   const;
      PlacedVolume motherPlacement(int level_up = 1)   const;

      PlacedVolume nodePlacement(int level=-1)   const;
      Transform3D toGlobal(int level=-1) const;
      Position toGlobal(const Position& localPoint, int level=-1) const;
      Position globalToLocal(const Position& globalPoint, int level=-1) const;

      Transform3D toMother(int level=-1) const;

      Transform3D nominal() const;
      Transform3D delta() const;
      Transform3D invDelta() const;

    };

  } /* End namespace Alignments               */
} /* End namespace DD4hep                     */
#endif    /* DD4HEP_ALIGNMENT_GLOBALALIGNMENT_H      */