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geant4/examples/extended/field/BlineTracer/include/G4BlineEventAction.hh
2025-12-05 08:54:02 +01:00

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//
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//
/// \file G4BlineEventAction.hh
/// \brief Definition of the G4BlineEventAction class
// --------------------------------------------------------------------
//
// G4BlineEventAction
//
// Class description:
//
// Defines the EventAction used during tracing of magnetic field
// lines. During the EndOfEventAction() it stores magneticfield lines
// as polyline and polymarker objects.
// These polyline and polymarker objects can be drawn by using the
// DrawFieldLines() method.
// --------------------------------------------------------------------
// Author: Laurent Desorgher (desorgher@phim.unibe.ch)
// Created - 2003-10-06
// --------------------------------------------------------------------
#ifndef G4BlineEventAction_h
#define G4BlineEventAction_h 1
#include "G4Colour.hh"
#include "G4UserEventAction.hh"
#include "G4VisAttributes.hh"
class G4Event;
class G4Polyline;
class G4Polymarker;
class G4BlineTracer;
class G4BlineEventAction : public G4UserEventAction
{
public: // with description
G4BlineEventAction(G4BlineTracer* aBlineTool);
~G4BlineEventAction() override;
void BeginOfEventAction(const G4Event*) override;
void EndOfEventAction(const G4Event*) override;
void DrawFieldLines(G4double zoom, G4double theta, G4double phi);
void ResetVectorObjectToBeDrawn();
public: // with description
inline void SetDrawColour(G4Colour aColour) { fDrawColour = aColour; }
inline void SetDrawBline(G4bool aBool) { fDrawBline = aBool; }
inline void SetDrawPoints(G4bool aBool) { fDrawPoints = aBool; }
inline void SetPointSize(G4double aVal) { fPointSize = aVal; }
inline G4bool GetDrawBline() { return fDrawBline; }
public: // without description
// inline void SetDrawLineWidth(G4double aVal)
// { fTrajectoryVisAttributes.SetLineWidth(aVal); }
// inline void SetDrawLineStyle(G4VisAttributes::LineStyle aStyle)
// { fTrajectoryVisAttributes.SetLineStyle(aStyle); }
// Future implementation...
private:
G4BlineTracer* fBlineTool = nullptr;
G4Colour fDrawColour;
G4bool fDrawBline = false;
G4bool fDrawPoints = false;
G4double fPointSize = 1;
std::vector<G4VisAttributes*> fTrajectoryVisAttributes;
std::vector<G4Polyline> fTrajectoryPolyline;
std::vector<G4Polymarker> fTrajectoryPoints;
};
#endif