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25 //
26 // Hadrontherapy advanced example for Geant4
27 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
28
29 #include <fstream>
30 #include <iostream>
31 #include <sstream>
32 #include <cmath>
33 #include <vector>
34
35 #include "HadrontherapyInteractionParameters.hh"
36 #include "HadrontherapyParameterMessenger.hh"
37 #include "HadrontherapyDetectorConstruction.hh"
38
39 #include "globals.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4UnitsTable.hh"
42 #include "G4UImanager.hh"
43 #include "G4RunManager.hh"
44 #include "G4LossTableManager.hh"
45 #include "G4Material.hh"
46 #include "G4MaterialCutsCouple.hh"
47 #include "G4ParticleDefinition.hh"
48 #include "G4ParticleTable.hh"
49 #include "G4NistManager.hh"
50 #include "G4Element.hh"
51 #include "G4StateManager.hh"
52
53 HadrontherapyInteractionParameters::HadrontherapyInteractionParameters(G4bool wantMessenger):
54 nistEle(new G4NistElementBuilder(0)),
55 nistMat(new G4NistMaterialBuilder(nistEle, 0)),
56 data(G4cout.rdbuf()),
57 pMessenger(0),
58 beamFlag(false)
59
60 {
61 if (wantMessenger) pMessenger = new HadrontherapyParameterMessenger(this);
62 }
63
64 HadrontherapyInteractionParameters::~HadrontherapyInteractionParameters()
65 {
66 if (pMessenger) delete pMessenger;
67 delete nistMat;
68 delete nistEle;
69 }
70
71 G4double HadrontherapyInteractionParameters::GetStopping (G4double ene,
72 const G4ParticleDefinition* pDef,
73 const G4Material* pMat,
74 G4double dens)
75 {
76 if (dens) return ComputeTotalDEDX(ene, pDef, pMat)/dens;
77 return ComputeTotalDEDX(ene, pDef, pMat);
78 }
79 bool HadrontherapyInteractionParameters::GetStoppingTable(const G4String& vararg)
80 {
81 // Check arguments
82 if ( !ParseArg(vararg)) return false;
83 // Clear previous energy & mass sp vectors
84 energy.clear();
85 massDedx.clear();
86 // log scale
87 if (kinEmin != kinEmax && npoints >1)
88 {
89 G4double logmin = std::log10(kinEmin);
90 G4double logmax = std::log10(kinEmax);
91 G4double en;
92 // uniform log space
93 for (G4double c = 0.; c < npoints; c++)
94 {
95 en = std::pow(10., logmin + ( c*(logmax-logmin) / (npoints - 1.)) );
96 energy.push_back(en/MeV);
97 dedxtot = ComputeTotalDEDX (en, particle, material);
98 massDedx.push_back ( (dedxtot / density)/(MeV*cm2/g) );
99 }
100 }
101 else // one point only
102 {
103 energy.push_back(kinEmin/MeV);
104 dedxtot = ComputeTotalDEDX (kinEmin, particle, material);
105 massDedx.push_back ( (dedxtot / density)/(MeV*cm2/g) );
106 }
107
108 G4cout.precision(6);
109 data << "MeV " << "MeV*cm2/g " << particle << " (into " <<
110 material << ", density = " << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
111 data << G4endl;
112 data << std::left << std::setfill(' ');
113 for (size_t i=0; i<energy.size(); i++){
114 data << std::setw(16) << energy[i] << massDedx[i] << G4endl;
115 }
116 outfile.close();
117 // This will plot
118
119 // Info to user
120 G4String ofName = (filename == "") ? G4String("User terminal"): filename;
121 G4cout << "User choice:\n";
122 G4cout << "Kinetic energy lower limit= "<< G4BestUnit(kinEmin,"Energy") <<
123 ", Kinetic energy upper limit= " << G4BestUnit(kinEmax,"Energy") <<
124 ", npoints= "<< npoints << ", particle= \"" << particle <<
125 "\", material= \"" << material << "\", filename= \""<<
126 ofName << "\"" << G4endl;
127 return true;
128 }
129 // Search for user material choice inside G4NistManager database
130 G4Material* HadrontherapyInteractionParameters::GetNistMaterial(G4String mat)
131 {
132 Pmaterial = G4NistManager::Instance()->FindOrBuildMaterial(mat);
133 if (Pmaterial) density = Pmaterial -> GetDensity();
134 return Pmaterial;
135 }
136 // Parse arguments line
137 bool HadrontherapyInteractionParameters::ParseArg(const G4String& vararg)
138 {
139 kinEmin = kinEmax = npoints = 0.;
140 particle = material = filename = "";
141 // set internal variables
142 std::istringstream strParam(vararg);
143 // TODO here check for number and parameters consistency
144 strParam >> std::skipws >> material >> kinEmin >> kinEmax >> npoints >> particle >> filename;
145 // npoints must be an integer!
146 npoints = std::floor(npoints);
147
148 // Check that kinEmax >= kinEmin > 0 && npoints >= 1
149 // TODO NIST points and linear scale
150 if (kinEmax == 0. && kinEmin > 0. ) kinEmax = kinEmin;
151 if (kinEmax == 0. && kinEmin == 0. ) kinEmax = kinEmin = 1.*MeV;
152 if (kinEmax < kinEmin)
153 {
154 G4cout << "WARNING: kinEmin must not exceed kinEmax!" << G4endl;
155 G4cout << "Usage: /parameter/command material EkinMin EKinMax nPoints [particle] [output filename]" << G4endl;
156 return false;
157 }
158 if (npoints < 1) npoints = 1;
159
160 // check if element/material is into database
161 if (!GetNistMaterial(material) )
162 {
163 G4cout << "WARNING: material \"" << material << "\" doesn't exist in NIST elements/materials"
164 " table [$G4INSTALL/source/materials/src/G4NistMaterialBuilder.cc]" << G4endl;
165 G4cout << "Use command \"/parameter/nist\" to see full materials list" << G4endl;
166 return false;
167 }
168 // Check for particle
169 if (particle == "") particle = "proton"; // default to "proton"
170 else if ( !FindParticle(particle) )
171 {
172 G4cout << "WARNING: Particle \"" << particle << "\" isn't supported." << G4endl;
173 G4cout << "Try the command \"/particle/list\" to get full supported particles list." << G4endl;
174 G4cout << "If you are interested in an ion that isn't in this list you must give it to the particle gun."
175 "\nTry the commands:\n/gun/particle ion"
176 "\n/gun/ion <atomic number> <mass number> <[charge]>" << G4endl << G4endl;
177 return false;
178 }
179 // start physics by forcing a G4RunManager::BeamOn():
180 BeamOn();
181 // Set output file
182 if( filename != "" )
183 {
184 outfile.open(filename,std::ios_base::trunc); // overwrite existing file
185 data.rdbuf(outfile.rdbuf());
186 }
187 else data.rdbuf(G4cout.rdbuf()); // output is G4cout!
188 return true;
189 }
190 // Force physics tables build
191 void HadrontherapyInteractionParameters::BeamOn()
192 {
193 // first check if RunManager is above G4State_Idle
194 G4StateManager* mState = G4StateManager::GetStateManager();
195 G4ApplicationState aState = mState -> GetCurrentState();
196 if ( aState <= G4State_Idle && beamFlag == false)
197 {
198 G4cout << "Issuing a G4RunManager::beamOn()... ";
199 G4cout << "Current Run State is " << mState -> GetStateString( aState ) << G4endl;
200 G4RunManager::GetRunManager() -> BeamOn(0);
201 beamFlag = true;
202 }
203
204 }
205 // print a list of Nist elements and materials
206 void HadrontherapyInteractionParameters::ListOfNistMaterials(const G4String& vararg)
207 {
208 /*
209 $G4INSTALL/source/materials/src/G4NistElementBuilder.cc
210 You can also construct a new material by the ConstructNewMaterial method:
211 see $G4INSTALL/source/materials/src/G4NistMaterialBuilder.cc
212 */
213 // Get simplest full list
214 if (vararg =="list")
215 {
216 const std::vector<G4String>& vec = nistMat -> GetMaterialNames();
217 for (size_t i=0; i<vec.size(); i++)
218 {
219 G4cout << std::setw(12) << std::left << i+1 << vec[i] << G4endl;
220 }
221 G4cout << G4endl;
222 }
223 else if (vararg =="all" || vararg =="simple" || vararg =="compound" || vararg =="hep" )
224 {
225 nistMat -> ListMaterials(vararg);
226 }
227 }
228
229
230