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//
// $Id$
//
//
// class G4GDMLWriteStructure
//
// Class description:
//
// GDML class for export of structures.

// History:
// - Created.                                  Zoltan Torzsok, November 2007
// -------------------------------------------------------------------------

#ifndef _G4GDMLWRITESTRUCTURE_INCLUDED_
#define _G4GDMLWRITESTRUCTURE_INCLUDED_

#include "G4Types.hh"
#include "G4Transform3D.hh"

#include "G4GDMLWriteParamvol.hh"

class G4LogicalVolume;
class G4VPhysicalVolume;
class G4PVDivision;
class G4LogicalBorderSurface;
class G4LogicalSkinSurface;
class G4OpticalSurface;
class G4SurfaceProperty;

class G4GDMLWriteStructure : public G4GDMLWriteParamvol
{

 public:

   G4GDMLWriteStructure();
   virtual ~G4GDMLWriteStructure();

   virtual void StructureWrite(xercesc::DOMElement*);

 protected:

   void DivisionvolWrite(xercesc::DOMElement*, const G4PVDivision* const);
   void PhysvolWrite(xercesc::DOMElement*,const G4VPhysicalVolume* const topVol,
                   const G4Transform3D& transform, const G4String& moduleName);
   void ReplicavolWrite(xercesc::DOMElement*, const G4VPhysicalVolume* const);
   G4Transform3D TraverseVolumeTree(const G4LogicalVolume* const topVol,
                                    const G4int depth);
   void SurfacesWrite();
   void BorderSurfaceCache(const G4LogicalBorderSurface* const);
   void SkinSurfaceCache(const G4LogicalSkinSurface* const);
   const G4LogicalBorderSurface* GetBorderSurface(const G4VPhysicalVolume* const);
   const G4LogicalSkinSurface* GetSkinSurface(const G4LogicalVolume* const);
   G4bool FindOpticalSurface(const G4SurfaceProperty*);

 protected:

   xercesc::DOMElement* structureElement;
   std::vector<xercesc::DOMElement*> borderElementVec;
   std::vector<xercesc::DOMElement*> skinElementVec;

 private:  // cache for optical surfaces...

   std::vector<const G4OpticalSurface*> opt_vec;
};

#endif