G4eMultipleScattering.cc

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// $Id: G4eMultipleScattering.cc 107365 2017-11-09 10:54:29Z gcosmo $
//
// -----------------------------------------------------------------------------
//
// GEANT4 Class file
//
// File name:     G4eMultipleScattering 
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 10 March 2008
// 
// Modifications:
//
// -----------------------------------------------------------------------------
//
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#include "G4eMultipleScattering.hh"
#include "G4UrbanMscModel.hh"
#include "G4MscStepLimitType.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"

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using namespace std;

G4eMultipleScattering::G4eMultipleScattering(const G4String& processName)
  : G4VMultipleScattering(processName)
{
  isInitialized = false;  
}

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G4eMultipleScattering::~G4eMultipleScattering()
{}

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G4bool G4eMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
{
  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
}

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void G4eMultipleScattering::InitialiseProcess(const G4ParticleDefinition*)
{
  if(isInitialized) { return; }
  if(!EmModel(0)) { SetEmModel(new G4UrbanMscModel()); }
  AddEmModel(1, EmModel(0));
  if(EmModel(1))  { AddEmModel(1, EmModel(1)); }
  isInitialized = true;
}

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void G4eMultipleScattering::StreamProcessInfo(std::ostream& out,
                                              G4String endOfLine) const
{
  out << "      RangeFactor= " << RangeFactor()
      << ", stepLimitType: " << StepLimitType()
      << ", latDisplacement: " << LateralDisplasmentFlag();
  if(StepLimitType() == fUseDistanceToBoundary) {
    out  << ", skin= " << Skin() << ", geomFactor= " << GeomFactor();
  }  
  out << endOfLine;
}

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void G4eMultipleScattering::ProcessDescription(std::ostream& out) const
{
  out << 
  "<strong>Multiple scattering</strong>. Simulates combined effects of <br>"
  "elastic scattering at the end of the step, to save computing time. May<br>"
  "be combined with Coulomb scattering in a 'mixed' scattering algorithm.";
  G4VMultipleScattering::ProcessDescription(out);
}

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