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// $Id: G4eMultipleScattering.cc,v 1.12 2010/06/04 09:11:02 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//
// -----------------------------------------------------------------------------
//
// GEANT4 Class file
//
// File name:     G4eMultipleScattering 
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 10 March 2008
// 
// Modifications:
//
// -----------------------------------------------------------------------------
//
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#include "G4eMultipleScattering.hh"
#include "G4UrbanMscModel93.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());
  //  return (&p == G4Electron::Electron() || &p == G4Positron::Positron());
}

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void G4eMultipleScattering::InitialiseProcess(const G4ParticleDefinition*)
{
  if(isInitialized) { return; }

  // initialisation of parameters - defaults for particles other
  // than ions can be overwritten by users
  G4VMscModel* mscUrban = new G4UrbanMscModel93();
  AddEmModel(1,mscUrban);
  isInitialized = true;
}

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void G4eMultipleScattering::PrintInfo()
{
  G4cout << "      RangeFactor= " << RangeFactor()
	 << ", stepLimitType: " << StepLimitType()
         << ", latDisplacement: " << LateralDisplasmentFlag();
  if(StepLimitType() == fUseDistanceToBoundary) {
    G4cout  << ", skin= " << Skin() << ", geomFactor= " << GeomFactor();
  }  
  G4cout << G4endl;
}

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