DetectorDescription/Core/interface/DDRoot.h - master - githubmirror/cmssw

DetectorDescription/Core/interface/DDRoot.h

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29 май 2019, 08:28

29 май 2019, 08:2896591f2

#ifndef DDRoot_h
#define DDRoot_h

#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/Singleton.h"

//!  Defines the root of the CompactView
/**
  DDRoot will define the root of the geometrical hierarchy. The root also
  defines the base of the global coordinates.
  /todo provide possibility to have different roots for different parallel geometries
  /todo prohibit multiple calls for one geometry (the root can only be defined once!)
*/
class DDRoot {
public:
  DDRoot();
  ~DDRoot();
  //! set the root by using its qualified name DDName
  void set(const DDName& rootName);

  //! set DDLogicalPart root to the root
  void set(const DDLogicalPart& root);

  //! returns the root of the geometrical hierarchy
  DDLogicalPart root() const;

private:
  DDLogicalPart root_;
};

typedef DDI::Singleton<DDRoot> DDRootDef;
#endif