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#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
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