DetectorTools.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_GEOMETRY_DETECTORTOOLS_H
#define DD4HEP_GEOMETRY_DETECTORTOOLS_H

// Framework include files
#include "DD4hep/Detector.h"

// Forward declarations
class TGeoHMatrix;

namespace DD4hep {

  namespace Geometry {

    // Forward declarations
    class LCDD;


    namespace DetectorTools {
      typedef std::vector<DetElement>   ElementPath;
      typedef std::vector<PlacedVolume> PlacementPath;

      DetElement topElement(DetElement child);

      std::string elementPath(DetElement element);
      std::string elementPath(const ElementPath& nodes, bool reverse=true);

      void elementPath(DetElement elt, ElementPath& detectors);
      DetElement findElement(LCDD& lcdd, const std::string& path);
      DetElement findDaughterElement(DetElement parent, const std::string& subpath);
      bool isParentElement(DetElement parent, DetElement child);

      std::string placementPath(DetElement element);
      std::string placementPath(const PlacementPath& nodes, bool reverse=true);
      std::string placementPath(const std::vector<const TGeoNode*>& nodes, bool reverse=true);

      void placementPath(DetElement elt, PlacementPath& nodes);
      void placementPath(DetElement parent, DetElement child, PlacementPath& nodes);

      PlacedVolume findNode(PlacedVolume top_place, const std::string& place);
      void placementTrafo(const PlacementPath& nodes, bool inverse, TGeoHMatrix*& mat);
      void placementTrafo(const PlacementPath& nodes, bool inverse, TGeoHMatrix& mat);


      std::string toString(const PlacedVolume::VolIDs& ids);
      std::string toString(const IDDescriptor& dsc, const PlacedVolume::VolIDs& ids, VolumeID code);

    }

  } /* End namespace Geometry               */
} /* End namespace DD4hep                   */
#endif    /* DD4HEP_GEOMETRY_DETECTORTOOLS_H    */