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//
// $Id: G4PTrap.ddl,v 1.7 2001/07/11 10:02:23 gunter Exp $
// GEANT4 tag $Name: geant4-04-01 $

// Class Description:
//   Persistent version of G4PTrap solid.

// History:
// 19.06.98 A.Kimura Converted G4Trap.hh

#ifndef G4PTrap_DDL
#define G4PTrap_DDL

#include "G4PersistentSchema.hh"
#include "G4PCSGSolid.hh"

class G4VSolid;
class G4Trap;

#include "G4ThreeVector.hh"

struct PTrapSidePlane
{
    G4double a,b,c,d;		// Normal unit vector (a,b,c)  and offset (d)
				// => Ax+By+Cz+D=0  
};

class G4PTrap
 : public G4PCSGSolid
{
public: // With description
    G4PTrap(const G4Trap* theTrap);
    virtual ~G4PTrap() ;
    // Constructor and Destructor

    G4VSolid* MakeTransientObject() const;
    // Creates a transient boolean solid object.

public:
    void SetAllParameters ( G4double pDz,
			    G4double pTheta,
			    G4double pPhi,
			    G4double pDy1,
			    G4double pDx1,
			    G4double pDx2,
			    G4double pAlp1,
			    G4double pDy2,
			    G4double pDx3,
			    G4double pDx4,
			    G4double pAlp2);
	                              
public: // With description
    virtual G4GeometryType  GetEntityType() const { return G4String("G4Trap"); }
    // Returns the G4GeometryType of this solid.

protected:

    G4bool MakePlanes();
    G4bool MakePlane( const G4ThreeVector& p1,
                      const G4ThreeVector& p2,
		      const G4ThreeVector& p3, 
		      const G4ThreeVector& p4,
		      PTrapSidePlane& plane ) ;

private:

    G4double fDz,fTthetaCphi,fTthetaSphi;
    G4double fDy1,fDx1,fDx2,fTalpha1;
    G4double fDy2,fDx3,fDx4,fTalpha2;
    PTrapSidePlane fPlanes[4];
};

#endif


//  **************************** End of G4Trap.hh *****************************************