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Public Member Functions
ExP01DetectorConstruction Class Reference

Detector Construction for the persistency example. More...

#include <ExP01DetectorConstruction.hh>

Inheritance diagram for ExP01DetectorConstruction:
G4VUserDetectorConstruction

Public Member Functions

 ExP01DetectorConstruction ()
 
 ~ExP01DetectorConstruction ()
 
virtual G4VPhysicalVolume * Construct ()
 
const G4VPhysicalVolume * GetTracker ()
 
G4double GetTrackerFullLength ()
 
G4double GetTargetFullLength ()
 
G4double GetWorldFullLength ()
 
void setTargetMaterial (G4String)
 
void setChamberMaterial (G4String)
 
void SetMagField (G4double)
 
- Public Member Functions inherited from G4VUserDetectorConstruction
 G4VUserDetectorConstruction ()
 
virtual ~G4VUserDetectorConstruction ()
 
virtual void ConstructSDandField ()
 
virtual void CloneSD ()
 
virtual void CloneF ()
 
void RegisterParallelWorld (G4VUserParallelWorld *)
 
G4int ConstructParallelGeometries ()
 
void ConstructParallelSD ()
 
G4int GetNumberOfParallelWorld () const
 
G4VUserParallelWorld * GetParallelWorld (G4int i) const
 

Additional Inherited Members

- Protected Member Functions inherited from G4VUserDetectorConstruction
void SetSensitiveDetector (const G4String &logVolName, G4VSensitiveDetector *aSD, G4bool multi=false)
 
void SetSensitiveDetector (G4LogicalVolume *logVol, G4VSensitiveDetector *aSD)
 

Detailed Description

Detector Construction for the persistency example.

Definition at line 52 of file ExP01DetectorConstruction.hh.

Constructor & Destructor Documentation

ExP01DetectorConstruction::ExP01DetectorConstruction ( )

Definition at line 58 of file ExP01DetectorConstruction.cc.

59 :G4VUserDetectorConstruction(),
60  fSolidWorld(0), fLogicWorld(0), fPhysiWorld(0),
61  fSolidTarget(0), fLogicTarget(0), fPhysiTarget(0),
62  fSolidTracker(0), fLogicTracker(0), fPhysiTracker(0),
63  fSolidChamber(0), fLogicChamber(0), fPhysiChamber(0),
64  fTargetMater(0), fChamberMater(0), fPMagField(0), fDetectorMessenger(0),
65  fWorldLength(0.), fTargetLength(0.), fTrackerLength(0.),
66  fNbOfChambers(0), fChamberWidth(0.), fChamberSpacing(0.)
67 {
68  fPMagField = new ExP01MagneticField();
69  fDetectorMessenger = new ExP01DetectorMessenger(this);
70 }
ExP01DetectorMessenger
Detector messenger for the persistency example.
Definition: ExP01DetectorMessenger.hh:50
ExP01MagneticField
Magnetic field for the persistency example.
Definition: ExP01MagneticField.hh:50
ExP01DetectorConstruction::~ExP01DetectorConstruction ( )

Definition at line 74 of file ExP01DetectorConstruction.cc.

75 {
76  delete fPMagField;
77  delete fDetectorMessenger;
78 }

Member Function Documentation

G4VPhysicalVolume * ExP01DetectorConstruction::Construct ( void  )
virtual

Implements G4VUserDetectorConstruction.

Definition at line 82 of file ExP01DetectorConstruction.cc.

References test::a, G4Material::AddElement(), G4SDManager::AddNewDetector(), Air, python.hepunit::atmosphere, python.hepunit::cm, python.hepunit::cm3, density, g(), G4cout, G4endl, G4Material::GetMaterialTable(), G4Material::GetName(), G4SDManager::GetSDMpointer(), python.hepunit::kelvin, kStateGas, kZAxis, python.hepunit::mg, python.hepunit::mm, python.hepunit::mole, N, nel, python.hepunit::perCent, G4LogicalVolume::SetSensitiveDetector(), G4LogicalVolume::SetUserLimits(), G4LogicalVolume::SetVisAttributes(), and z.

83 {
84 //--------- Material definition ---------
85 
86  G4double a, z;
87  G4double density, temperature, pressure;
88  G4int nel;
89 
90  //Air
91  G4Element* N = new G4Element("Nitrogen", "N", z=7., a= 14.01*g/mole);
92  G4Element* O = new G4Element("Oxygen" , "O", z=8., a= 16.00*g/mole);
93 
94  G4Material* Air = new G4Material("Air", density= 1.29*mg/cm3, nel=2);
95  Air->AddElement(N, 70*perCent);
96  Air->AddElement(O, 30*perCent);
97 
98  //Lead
99  G4Material* Pb =
100  new G4Material("Lead", z=82., a= 207.19*g/mole, density= 11.35*g/cm3);
101 
102  //Xenon gas
103  G4Material* Xenon =
104  new G4Material("XenonGas", z=54., a=131.29*g/mole, density= 5.458*mg/cm3,
105  kStateGas, temperature= 293.15*kelvin, pressure= 1*atmosphere);
106 
107  // Print all the materials defined.
108  //
109  G4cout << G4endl << "The materials defined are : " << G4endl << G4endl;
110  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
111 
112 //--------- Sizes of the principal geometrical components (solids) ---------
113 
114  fNbOfChambers = 5;
115  fChamberWidth = 20*cm;
116  fChamberSpacing = 80*cm;
117 
118  fTrackerLength = (fNbOfChambers+1)*fChamberSpacing; // Full length of Tracker
119  fTargetLength = 5.0 * cm; // Full length of Target
120 
121  fTargetMater = Pb;
122  fChamberMater = Xenon;
123 
124  fWorldLength= 1.2 *(fTargetLength+fTrackerLength);
125 
126  G4double targetSize = 0.5*fTargetLength; // Half length of the Target
127  G4double trackerSize = 0.5*fTrackerLength; // Half length of the Tracker
128 
129 //--------- Definitions of Solids, Logical Volumes, Physical Volumes ---------
130 
131  //------------------------------
132  // World
133  //------------------------------
134 
135  G4double HalfWorldLength = 0.5*fWorldLength;
136 
137  fSolidWorld= new G4Box("world",HalfWorldLength,HalfWorldLength,HalfWorldLength);
138  fLogicWorld= new G4LogicalVolume( fSolidWorld, Air, "World", 0, 0, 0);
139 
140  // Must place the World Physical volume unrotated at (0,0,0).
141  //
142  fPhysiWorld = new G4PVPlacement(0, // no rotation
143  G4ThreeVector(), // at (0,0,0)
144  fLogicWorld, // its logical volume
145  "World", // its name
146  0, // its mother volume
147  false, // no boolean operations
148  0); // copy number
149 
150  //------------------------------
151  // Target
152  //------------------------------
153 
154  G4ThreeVector positionTarget = G4ThreeVector(0,0,-(targetSize+trackerSize));
155 
156  fSolidTarget = new G4Box("target",targetSize,targetSize,targetSize);
157  fLogicTarget = new G4LogicalVolume(fSolidTarget,fTargetMater,"Target",0,0,0);
158  fPhysiTarget = new G4PVPlacement(0, // no rotation
159  positionTarget, // at (x,y,z)
160  fLogicTarget, // its logical volume
161  "Target", // its name
162  fLogicWorld, // its mother volume
163  false, // no boolean operations
164  0); // copy number
165 
166  G4cout << "Target is " << fTargetLength/cm << " cm of "
167  << fTargetMater->GetName() << G4endl;
168 
169  //------------------------------
170  // Tracker
171  //------------------------------
172 
173  G4ThreeVector positionTracker = G4ThreeVector(0,0,0);
174 
175  fSolidTracker = new G4Box("tracker",trackerSize,trackerSize,trackerSize);
176  fLogicTracker = new G4LogicalVolume(fSolidTracker , Air, "Tracker",0,0,0);
177  fPhysiTracker = new G4PVPlacement(0, // no rotation
178  positionTracker, // at (x,y,z)
179  fLogicTracker, // its logical volume
180  "Tracker", // its name
181  fLogicWorld, // its mother volume
182  false, // no boolean operations
183  0); // copy number
184 
185  //------------------------------
186  // Tracker segments
187  //------------------------------
188  //
189  // An example of Parameterised volumes
190  // dummy values for G4Box -- modified by parameterised volume
191 
192  fSolidChamber = new G4Box("chamber", 100*cm, 100*cm, 10*cm);
193  fLogicChamber = new G4LogicalVolume(fSolidChamber, fChamberMater,"Chamber",0,0,0);
194 
195  G4double firstPosition = -trackerSize + 0.5*fChamberWidth;
196  G4double firstLength = fTrackerLength/10;
197  G4double lastLength = fTrackerLength;
198 
199  G4VPVParameterisation* chamberParam = new ExP01ChamberParameterisation(
200  fNbOfChambers, // NoChambers
201  firstPosition, // Z of center of first
202  fChamberSpacing, // Z spacing of centers
203  fChamberWidth, // Width Chamber
204  firstLength, // lengthInitial
205  lastLength); // lengthFinal
206 
207  // dummy value : kZAxis -- modified by parameterised volume
208  //
209  fPhysiChamber = new G4PVParameterised(
210  "Chamber", // their name
211  fLogicChamber, // their logical volume
212  fLogicTracker, // Mother logical volume
213  kZAxis, // Are placed along this axis
214  fNbOfChambers, // Number of chambers
215  chamberParam); // The parametrisation
216 
217  G4cout << "There are " << fNbOfChambers << " chambers in the tracker region. "
218  << "The chambers are " << fChamberWidth/mm << " mm of "
219  << fChamberMater->GetName() << "\n The distance between chamber is "
220  << fChamberSpacing/cm << " cm" << G4endl;
221 
222  //------------------------------------------------
223  // Sensitive detectors
224  //------------------------------------------------
225 
226  G4SDManager* SDman = G4SDManager::GetSDMpointer();
227 
228  G4String trackerChamberSDname = "ExP01/TrackerChamberSD";
229  ExP01TrackerSD* aTrackerSD = new ExP01TrackerSD( trackerChamberSDname );
230  SDman->AddNewDetector( aTrackerSD );
231  fLogicChamber->SetSensitiveDetector( aTrackerSD );
232 
233 //--------- Visualization attributes -------------------------------
234 
235  G4VisAttributes* BoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
236  fLogicWorld ->SetVisAttributes(BoxVisAtt);
237  fLogicTarget ->SetVisAttributes(BoxVisAtt);
238  fLogicTracker->SetVisAttributes(BoxVisAtt);
239 
240  G4VisAttributes* ChamberVisAtt = new G4VisAttributes(G4Colour(1.0,1.0,0.0));
241  fLogicChamber->SetVisAttributes(ChamberVisAtt);
242 
243 //--------- example of User Limits -------------------------------
244 
245  // below is an example of how to set tracking constraints in a given
246  // logical volume(see also in N02PhysicsList how to setup the processes
247  // G4StepLimiter or G4UserSpecialCuts).
248 
249  // Sets a max Step length in the tracker region, with G4StepLimiter
250  //
251  G4double maxStep = 0.5*fChamberWidth;
252  fLogicTracker->SetUserLimits(new G4UserLimits(maxStep));
253 
254  // Set additional contraints on the track, with G4UserSpecialCuts
255  //
256  // G4double maxLength = 2*fTrackerLength, maxTime = 0.1*ns, minEkin = 10*MeV;
257  // logicTracker->SetUserLimits(new G4UserLimits(maxStep,maxLength,maxTime,
258  // minEkin));
259 
260  return fPhysiWorld;
261 }
Air
G4Material * Air
Definition: TRTMaterials.hh:57
G4ThreeVector
CLHEP::Hep3Vector G4ThreeVector
Definition: G4ThreeVector.hh:42
z
G4double z
Definition: TRTMaterials.hh:39
G4Box
Definition: G4Box.hh:63
G4Material::GetName
const G4String & GetName() const
Definition: G4Material.hh:176
G4LogicalVolume::SetUserLimits
void SetUserLimits(G4UserLimits *pULimits)
G4Material::GetMaterialTable
static G4MaterialTable * GetMaterialTable()
Definition: G4Material.cc:564
python.hepunit.atmosphere
int atmosphere
Definition: hepunit.py:151
ExP01ChamberParameterisation
Chamber parameterisation for the persistency example.
Definition: ExP01ChamberParameterisation.hh:67
kStateGas
Definition: G4Material.hh:114
G4int
int G4int
Definition: G4Types.hh:78
density
G4double density
Definition: TRTMaterials.hh:39
g
function g(Y1, Y2, PT2)
Definition: hijing1.383.f:5205
G4cout
G4GLOB_DLL std::ostream G4cout
G4SDManager::AddNewDetector
void AddNewDetector(G4VSensitiveDetector *aSD)
Definition: G4SDManager.cc:67
G4SDManager::GetSDMpointer
static G4SDManager * GetSDMpointer()
Definition: G4SDManager.cc:40
python.hepunit.perCent
float perCent
Definition: hepunit.py:239
G4endl
#define G4endl
Definition: G4ios.hh:61
N
**D E S C R I P T I O N
Definition: HepMCEx01/src/HEPEvtcom.cc:77
ExP01TrackerSD
Sensitive detector implementation for the ROOT hits persistency example.
Definition: ExP01TrackerSD.hh:48
G4Material::AddElement
void AddElement(G4Element *element, G4int nAtoms)
Definition: G4Material.cc:345
G4double
double G4double
Definition: G4Types.hh:76
G4LogicalVolume::SetVisAttributes
void SetVisAttributes(const G4VisAttributes *pVA)
G4LogicalVolume::SetSensitiveDetector
void SetSensitiveDetector(G4VSensitiveDetector *pSDetector)
nel
G4int nel
Definition: TRTMaterials.hh:41
G4double ExP01DetectorConstruction::GetTargetFullLength ( )
inline

Definition at line 66 of file ExP01DetectorConstruction.hh.

66 {return fTargetLength;};
const G4VPhysicalVolume* ExP01DetectorConstruction::GetTracker ( )
inline

Definition at line 64 of file ExP01DetectorConstruction.hh.

64 {return fPhysiTracker;};
G4double ExP01DetectorConstruction::GetTrackerFullLength ( )
inline

Definition at line 65 of file ExP01DetectorConstruction.hh.

65 {return fTrackerLength;};
G4double ExP01DetectorConstruction::GetWorldFullLength ( )
inline

Definition at line 67 of file ExP01DetectorConstruction.hh.

Referenced by ExP01PrimaryGeneratorAction::GeneratePrimaries().

67 {return fWorldLength;};
void ExP01DetectorConstruction::setChamberMaterial ( G4String  materialName)

Definition at line 279 of file ExP01DetectorConstruction.cc.

References python.hepunit::cm, G4cout, G4endl, G4Material::GetMaterial(), and G4LogicalVolume::SetMaterial().

Referenced by ExP01DetectorMessenger::SetNewValue().

280 {
281  // search the material by its name
282  G4Material* pttoMaterial = G4Material::GetMaterial(materialName);
283  if (pttoMaterial)
284  {fChamberMater = pttoMaterial;
285  fLogicChamber->SetMaterial(pttoMaterial);
286  G4cout << "\n----> The chambers are " << fChamberWidth/cm << " cm of "
287  << materialName << G4endl;
288  }
289 }
G4Material::GetMaterial
static G4Material * GetMaterial(const G4String &name, G4bool warning=true)
Definition: G4Material.cc:578
G4cout
G4GLOB_DLL std::ostream G4cout
G4endl
#define G4endl
Definition: G4ios.hh:61
G4LogicalVolume::SetMaterial
void SetMaterial(G4Material *pMaterial)
void ExP01DetectorConstruction::SetMagField ( G4double  fieldValue)

Definition at line 293 of file ExP01DetectorConstruction.cc.

References ExP01MagneticField::SetFieldValue().

Referenced by ExP01DetectorMessenger::SetNewValue().

294 {
295  fPMagField->SetFieldValue(fieldValue);
296 }
ExP01MagneticField::SetFieldValue
void SetFieldValue(G4double fieldValue)
Definition: ExP01MagneticField.cc:62
void ExP01DetectorConstruction::setTargetMaterial ( G4String  materialName)

Definition at line 265 of file ExP01DetectorConstruction.cc.

References python.hepunit::cm, G4cout, G4endl, G4Material::GetMaterial(), and G4LogicalVolume::SetMaterial().

Referenced by ExP01DetectorMessenger::SetNewValue().

266 {
267  // search the material by its name
268  G4Material* pttoMaterial = G4Material::GetMaterial(materialName);
269  if (pttoMaterial)
270  {fTargetMater = pttoMaterial;
271  fLogicTarget->SetMaterial(pttoMaterial);
272  G4cout << "\n----> The target is " << fTargetLength/cm << " cm of "
273  << materialName << G4endl;
274  }
275 }
G4Material::GetMaterial
static G4Material * GetMaterial(const G4String &name, G4bool warning=true)
Definition: G4Material.cc:578
G4cout
G4GLOB_DLL std::ostream G4cout
G4endl
#define G4endl
Definition: G4ios.hh:61
G4LogicalVolume::SetMaterial
void SetMaterial(G4Material *pMaterial)
The documentation for this class was generated from the following files:
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