/home/cern/BDSIM_new/include/BDSOctupole.hh

/* BDSIM code.    Version 1.0
   Author: Grahame A. Blair, Royal Holloway, Univ. of London.
   Last modified 24.7.2002
   Copyright (c) 2002 by G.A.Blair.  ALL RIGHTS RESERVED. 
*/

#ifndef BDSOctupole_h
#define BDSOctupole_h 1

#include "globals.hh"
#include "BDSMaterials.hh"
#include "G4LogicalVolume.hh"
#include "BDSOctStepper.hh"

#include "G4FieldManager.hh"
#include "G4ChordFinder.hh"
#include "G4Mag_UsualEqRhs.hh"
#include "G4UserLimits.hh"
#include "G4VisAttributes.hh"
#include "G4PVPlacement.hh"               

#include "BDSMultipole.hh"
#include "BDSOctMagField.hh"

class BDSOctupole :public BDSMultipole
{
public:
  BDSOctupole(G4String aName, G4double aLength,
              G4double bpRad, G4double FeRad,
              G4double BTrpPrime, G4double tilt, G4double outR, 
              G4String aMaterial = "");
  ~BDSOctupole();

  void SynchRescale(G4double factor);

protected:

private:
  G4double itsBTrpPrime;

  void BuildBPFieldAndStepper();

  G4VisAttributes* SetVisAttributes();

  // field related objects:
  BDSOctStepper* itsStepper;
  BDSOctMagField* itsMagField;
  G4Mag_UsualEqRhs* itsEqRhs;

};

#endif

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