include/Geant4/G4ErrorMagFieldLimitProcess.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 //
0028 // Class description:
0029 //
0030 // Limits the step length if change of magnetic field is too big
0031 // (user defined limit).
0032
0033 // History:
0034 // - Created:   P. Arce, September 2004
0035 //---------------------------------------------------------------------
0036
0037 #ifndef G4ErrorMagFieldLimitProcess_h
0038 #define G4ErrorMagFieldLimitProcess_h 1
0039
0040 #include "G4ios.hh"
0041 #include "globals.hh"
0042 #include "G4VDiscreteProcess.hh"
0043 #include "G4PhysicsTable.hh"
0044 #include "G4PhysicsLogVector.hh"
0045 #include "G4ElementTable.hh"
0046 #include "G4Gamma.hh"
0047 #include "G4Electron.hh"
0048 #include "G4Step.hh"
0049 #include "G4VErrorLimitProcess.hh"
0050
0051 //-----------------------------------------------------------------
0052
0053 class G4ErrorMagFieldLimitProcess : public G4VErrorLimitProcess
0054 {
0055  public:  // with description
0056   G4ErrorMagFieldLimitProcess(
0057     const G4String& processName = "G4ErrorMagFieldLimit");
0058   ~G4ErrorMagFieldLimitProcess();
0059
0060   virtual G4double PostStepGetPhysicalInteractionLength(
0061     const G4Track& track, G4double previousStepSize,
0062     G4ForceCondition* condition);
0063   // Returns the step length.
0064 };
0065
0066 #endif