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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 // Jane Tinslay, John Allison, Joseph Perl November 2005
0028 //
0029 // Class Description:
0030 // Trajectory model which colours a trajectory according to  
0031 // charge. 
0032 // Class Description - End:
0033 
0034 #ifndef G4TRAJECTORYDRAWBYCHARGE_HH
0035 #define G4TRAJECTORYDRAWBYCHARGE_HH
0036 
0037 #include "G4Colour.hh"
0038 #include "G4ModelColourMap.hh"
0039 #include "G4VTrajectoryModel.hh"
0040 #include <map>
0041 
0042 class G4TrajectoryDrawByCharge : public G4VTrajectoryModel {
0043 
0044 public: // With description
0045  
0046   enum Charge {Negative=-1, Neutral=0, Positive=1}; 
0047 
0048   G4TrajectoryDrawByCharge(const G4String& name = "Unspecified", G4VisTrajContext* context=0);
0049 
0050   G4TrajectoryDrawByCharge(const G4String& name,
0051                const G4Colour& positive,
0052                const G4Colour& negative,
0053                const G4Colour& neutral);
0054   
0055   virtual ~G4TrajectoryDrawByCharge();
0056 
0057   // Draw method
0058   virtual void Draw(const G4VTrajectory& trajectory, 
0059             const G4bool& visible = true) const;
0060 
0061   // Print configuration
0062   virtual void Print(std::ostream& ostr) const;
0063 
0064   void Set(const Charge& charge, const G4Colour& colour);
0065   void Set(const Charge& charge, const G4String& colour);
0066 
0067   void Set(const G4String& charge, const G4Colour& colour);
0068   void Set(const G4String& charge, const G4String& colour);
0069   // Configuration functions 
0070 
0071 private:
0072   
0073   G4bool ConvertToCharge(const G4String&, Charge&);
0074 
0075   // Data member
0076   G4ModelColourMap<Charge> fMap;
0077   
0078 };
0079 
0080 #endif