source: trunk/examples/advanced/Tiara/source/tiara/src/TiaraSampledEnergy.cc @ 1002

Last change on this file since 1002 was 807, checked in by garnier, 16 years ago

update

File size: 3.2 KB
Line 
1//
2// ********************************************************************
3// * License and Disclaimer                                           *
4// *                                                                  *
5// * The  Geant4 software  is  copyright of the Copyright Holders  of *
6// * the Geant4 Collaboration.  It is provided  under  the terms  and *
7// * conditions of the Geant4 Software License,  included in the file *
8// * LICENSE and available at  http://cern.ch/geant4/license .  These *
9// * include a list of copyright holders.                             *
10// *                                                                  *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work  make  any representation or  warranty, express or implied, *
14// * regarding  this  software system or assume any liability for its *
15// * use.  Please see the license in the file  LICENSE  and URL above *
16// * for the full disclaimer and the limitation of liability.         *
17// *                                                                  *
18// * This  code  implementation is the result of  the  scientific and *
19// * technical work of the GEANT4 collaboration.                      *
20// * By using,  copying,  modifying or  distributing the software (or *
21// * any work based  on the software)  you  agree  to acknowledge its *
22// * use  in  resulting  scientific  publications,  and indicate your *
23// * acceptance of all terms of the Geant4 Software license.          *
24// ********************************************************************
25//
26// $Id: TiaraSampledEnergy.cc,v 1.5 2006/06/29 15:45:29 gunter Exp $
27// GEANT4 tag $Name:  $
28//
29
30#include "TiaraSampledEnergy.hh"
31
32#ifdef G4ANALYSIS_USE
33
34#include "Randomize.hh"
35#include "TiaraFileAcess.hh"
36
37
38#include "AIDA/AIDA.h"
39
40
41
42TiaraSampledEnergy::TiaraSampledEnergy(const G4String &eng,
43                                       G4double minEnergyCut,
44                                       const G4String &sourceTree,
45                                       const G4String &nameExt)
46  :
47  TiaraVSourceEnergyGenerator(),
48  fTree((checkFileIsReadable(sourceTree, "TiaraSampledEnergy::TiaraSampledEnergy"),
49         AIDA_createAnalysisFactory()
50         ->createTreeFactory()
51         ->create(sourceTree, "xml",true,false))),
52  fSampleHisto(dynamic_cast<AIDA::IHistogram1D *>(fTree->find(G4String("h" + eng + "int" + nameExt)))),
53  fScale(fSampleHisto->axis().bins()),
54  fMinEnergyCut(minEnergyCut)
55{}
56
57TiaraSampledEnergy::TiaraSampledEnergy(const TiaraSampledEnergy& rhs) :
58  TiaraVSourceEnergyGenerator()
59{
60  *this = rhs;
61}
62
63TiaraSampledEnergy& TiaraSampledEnergy::
64operator=(const TiaraSampledEnergy& rhs) {
65  if (this!=&rhs) {
66    TiaraSampledEnergy &nonConstRhs = static_cast<TiaraSampledEnergy &>(rhs);
67    fTree = nonConstRhs.fTree;
68    fSampleHisto = nonConstRhs.fSampleHisto;
69    fScale = nonConstRhs.fScale;
70  }
71  return *this;
72}
73
74TiaraSampledEnergy::~TiaraSampledEnergy(){
75}
76
77
78TiaraVSourceEnergyGenerator *TiaraSampledEnergy::Clone() const {
79  return new TiaraSampledEnergy(*this);
80}
81
82G4double TiaraSampledEnergy::GetEnergy() {
83
84  G4double e(0.0);
85  while (!(e>fMinEnergyCut)) { 
86    G4double r(G4UniformRand() * fScale);
87    G4int bin(static_cast<int>(r));
88    e = fSampleHisto->binHeight(bin) * MeV;
89  }
90  return e;
91}
92
93#endif
Note: See TracBrowser for help on using the repository browser.