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This commit is contained in:
Gabriele Cosmo
2024-06-28 13:08:51 +02:00
parent f7b23877ed
commit e58e650b32
5232 changed files with 239416 additions and 244360 deletions
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examples/basic/B2/B2a/src/DetectorConstruction.cc
+113 -133
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@@ -28,29 +28,25 @@
/// \brief Implementation of the B2a::DetectorConstruction class
#include "DetectorConstruction.hh"
#include "DetectorMessenger.hh"
#include "TrackerSD.hh"
#include "G4AutoDelete.hh"
#include "G4Box.hh"
#include "G4Colour.hh"
#include "G4GeometryManager.hh"
#include "G4GeometryTolerance.hh"
#include "G4GlobalMagFieldMessenger.hh"
#include "G4LogicalVolume.hh"
#include "G4Material.hh"
#include "G4NistManager.hh"
#include "G4SDManager.hh"
#include "G4Box.hh"
#include "G4Tubs.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4GlobalMagFieldMessenger.hh"
#include "G4AutoDelete.hh"
#include "G4GeometryTolerance.hh"
#include "G4GeometryManager.hh"
#include "G4UserLimits.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4SDManager.hh"
#include "G4SystemOfUnits.hh"
#include "G4Tubs.hh"
#include "G4UserLimits.hh"
#include "G4VisAttributes.hh"
using namespace B2;
@@ -59,8 +55,7 @@ namespace B2a
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4ThreadLocal
G4GlobalMagFieldMessenger* DetectorConstruction::fMagFieldMessenger = nullptr;
G4ThreadLocal G4GlobalMagFieldMessenger* DetectorConstruction::fMagFieldMessenger = nullptr;
DetectorConstruction::DetectorConstruction()
{
@@ -74,7 +69,7 @@ DetectorConstruction::DetectorConstruction()
DetectorConstruction::~DetectorConstruction()
{
delete [] fLogicChamber;
delete[] fLogicChamber;
delete fStepLimit;
delete fMessenger;
}
@@ -102,7 +97,7 @@ void DetectorConstruction::DefineMaterials()
nistManager->FindOrBuildMaterial("G4_AIR");
// Lead defined using NIST Manager
fTargetMaterial = nistManager->FindOrBuildMaterial("G4_Pb");
fTargetMaterial = nistManager->FindOrBuildMaterial("G4_Pb");
// Xenon gas defined using NIST Manager
fChamberMaterial = nistManager->FindOrBuildMaterial("G4_Xe");
@@ -115,22 +110,22 @@ void DetectorConstruction::DefineMaterials()
G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
{
G4Material* air = G4Material::GetMaterial("G4_AIR");
G4Material* air = G4Material::GetMaterial("G4_AIR");
// Sizes of the principal geometrical components (solids)
G4double chamberSpacing = 80*cm; // from chamber center to center!
G4double chamberSpacing = 80 * cm; // from chamber center to center!
G4double chamberWidth = 20.0*cm; // width of the chambers
G4double targetLength = 5.0*cm; // full length of Target
G4double chamberWidth = 20.0 * cm; // width of the chambers
G4double targetLength = 5.0 * cm; // full length of Target
G4double trackerLength = (fNbOfChambers+1)*chamberSpacing;
G4double trackerLength = (fNbOfChambers + 1) * chamberSpacing;
G4double worldLength = 1.2 * (2*targetLength + trackerLength);
G4double worldLength = 1.2 * (2 * targetLength + trackerLength);
G4double targetRadius = 0.5*targetLength; // Radius of Target
targetLength = 0.5*targetLength; // Half length of the Target
G4double trackerSize = 0.5*trackerLength; // Half length of the Tracker
G4double targetRadius = 0.5 * targetLength; // Radius of Target
targetLength = 0.5 * targetLength; // Half length of the Target
G4double trackerSize = 0.5 * trackerLength; // Half length of the Tracker
// Definitions of Solids, Logical Volumes, Physical Volumes
@@ -139,114 +134,108 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
G4GeometryManager::GetInstance()->SetWorldMaximumExtent(worldLength);
G4cout << "Computed tolerance = "
<< G4GeometryTolerance::GetInstance()->GetSurfaceTolerance()/mm
<< " mm" << G4endl;
<< G4GeometryTolerance::GetInstance()->GetSurfaceTolerance() / mm << " mm" << G4endl;
auto worldS = new G4Box("world", // its name
worldLength / 2, worldLength / 2, worldLength / 2); // its size
auto worldLV = new G4LogicalVolume(worldS, // its solid
air, // its material
"World"); // its name
auto worldS = new G4Box("world", // its name
worldLength / 2, worldLength / 2, worldLength / 2); // its size
auto worldLV = new G4LogicalVolume(worldS, // its solid
air, // its material
"World"); // its name
// Must place the World Physical volume unrotated at (0,0,0).
//
auto worldPV = new G4PVPlacement(nullptr, // no rotation
G4ThreeVector(), // at (0,0,0)
worldLV, // its logical volume
"World", // its name
nullptr, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
G4ThreeVector(), // at (0,0,0)
worldLV, // its logical volume
"World", // its name
nullptr, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
// Target
G4ThreeVector positionTarget = G4ThreeVector(0,0,-(targetLength+trackerSize));
G4ThreeVector positionTarget = G4ThreeVector(0, 0, -(targetLength + trackerSize));
auto targetS = new G4Tubs("target", 0., targetRadius, targetLength, 0. * deg, 360. * deg);
fLogicTarget = new G4LogicalVolume(targetS, fTargetMaterial, "Target", nullptr, nullptr, nullptr);
new G4PVPlacement(nullptr, // no rotation
positionTarget, // at (x,y,z)
fLogicTarget, // its logical volume
"Target", // its name
worldLV, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
positionTarget, // at (x,y,z)
fLogicTarget, // its logical volume
"Target", // its name
worldLV, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
G4cout << "Target is " << 2*targetLength/cm << " cm of "
<< fTargetMaterial->GetName() << G4endl;
G4cout << "Target is " << 2 * targetLength / cm << " cm of " << fTargetMaterial->GetName()
<< G4endl;
// Tracker
G4ThreeVector positionTracker = G4ThreeVector(0,0,0);
G4ThreeVector positionTracker = G4ThreeVector(0, 0, 0);
auto trackerS = new G4Tubs("tracker", 0, trackerSize, trackerSize, 0. * deg, 360. * deg);
auto trackerLV = new G4LogicalVolume(trackerS, air, "Tracker", nullptr, nullptr, nullptr);
new G4PVPlacement(nullptr, // no rotation
positionTracker, // at (x,y,z)
trackerLV, // its logical volume
"Tracker", // its name
worldLV, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
positionTracker, // at (x,y,z)
trackerLV, // its logical volume
"Tracker", // its name
worldLV, // its mother volume
false, // no boolean operations
0, // copy number
fCheckOverlaps); // checking overlaps
// Visualization attributes
G4VisAttributes boxVisAtt(G4Colour::White());
G4VisAttributes chamberVisAtt(G4Colour::Yellow());
worldLV ->SetVisAttributes(boxVisAtt);
fLogicTarget ->SetVisAttributes(boxVisAtt);
trackerLV ->SetVisAttributes(boxVisAtt);
worldLV->SetVisAttributes(boxVisAtt);
fLogicTarget->SetVisAttributes(boxVisAtt);
trackerLV->SetVisAttributes(boxVisAtt);
// Tracker segments
G4cout << "There are " << fNbOfChambers << " chambers in the tracker region. "
<< G4endl
<< "The chambers are " << chamberWidth/cm << " cm of "
<< fChamberMaterial->GetName() << G4endl
<< "The distance between chamber is " << chamberSpacing/cm << " cm"
<< G4endl;
G4cout << "There are " << fNbOfChambers << " chambers in the tracker region. " << G4endl
<< "The chambers are " << chamberWidth / cm << " cm of " << fChamberMaterial->GetName()
<< G4endl << "The distance between chamber is " << chamberSpacing / cm << " cm" << G4endl;
G4double firstPosition = -trackerSize + chamberSpacing;
G4double firstLength = trackerLength/10;
G4double lastLength = trackerLength;
G4double firstLength = trackerLength / 10;
G4double lastLength = trackerLength;
G4double halfWidth = 0.5*chamberWidth;
G4double halfWidth = 0.5 * chamberWidth;
G4double rmaxFirst = 0.5 * firstLength;
G4double rmaxIncr = 0.0;
if( fNbOfChambers > 0 ){
rmaxIncr = 0.5 * (lastLength-firstLength)/(fNbOfChambers-1);
if (chamberSpacing < chamberWidth) {
G4Exception("DetectorConstruction::DefineVolumes()",
"InvalidSetup", FatalException,
"Width>Spacing");
if (fNbOfChambers > 0) {
rmaxIncr = 0.5 * (lastLength - firstLength) / (fNbOfChambers - 1);
if (chamberSpacing < chamberWidth) {
G4Exception("DetectorConstruction::DefineVolumes()", "InvalidSetup", FatalException,
"Width>Spacing");
}
}
for (G4int copyNo=0; copyNo<fNbOfChambers; copyNo++) {
for (G4int copyNo = 0; copyNo < fNbOfChambers; copyNo++) {
G4double Zposition = firstPosition + copyNo * chamberSpacing;
G4double rmax = rmaxFirst + copyNo * rmaxIncr;
G4double Zposition = firstPosition + copyNo * chamberSpacing;
G4double rmax = rmaxFirst + copyNo * rmaxIncr;
auto chamberS = new G4Tubs("Chamber_solid", 0, rmax, halfWidth, 0. * deg, 360. * deg);
auto chamberS = new G4Tubs("Chamber_solid", 0, rmax, halfWidth, 0. * deg, 360. * deg);
fLogicChamber[copyNo] =
new G4LogicalVolume(chamberS, fChamberMaterial, "Chamber_LV", nullptr, nullptr, nullptr);
fLogicChamber[copyNo] =
new G4LogicalVolume(chamberS, fChamberMaterial, "Chamber_LV", nullptr, nullptr, nullptr);
fLogicChamber[copyNo]->SetVisAttributes(chamberVisAtt);
fLogicChamber[copyNo]->SetVisAttributes(chamberVisAtt);
new G4PVPlacement(nullptr, // no rotation
G4ThreeVector(0, 0, Zposition), // at (x,y,z)
fLogicChamber[copyNo], // its logical volume
"Chamber_PV", // its name
trackerLV, // its mother volume
false, // no boolean operations
copyNo, // copy number
fCheckOverlaps); // checking overlaps
new G4PVPlacement(nullptr, // no rotation
G4ThreeVector(0, 0, Zposition), // at (x,y,z)
fLogicChamber[copyNo], // its logical volume
"Chamber_PV", // its name
trackerLV, // its mother volume
false, // no boolean operations
copyNo, // copy number
fCheckOverlaps); // checking overlaps
}
// Example of User Limits
@@ -256,7 +245,7 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
//
// Sets a max step length in the tracker region, with G4StepLimiter
G4double maxStep = 0.5*chamberWidth;
G4double maxStep = 0.5 * chamberWidth;
fStepLimit = new G4UserLimits(maxStep);
trackerLV->SetUserLimits(fStepLimit);
@@ -280,11 +269,11 @@ void DetectorConstruction::ConstructSDandField()
// Sensitive detectors
G4String trackerChamberSDname = "/TrackerChamberSD";
auto aTrackerSD = new TrackerSD(trackerChamberSDname, "TrackerHitsCollection");
G4SDManager::GetSDMpointer()->AddNewDetector(aTrackerSD);
// Setting aTrackerSD to all logical volumes with the same name
auto trackerSD = new TrackerSD(trackerChamberSDname, "TrackerHitsCollection");
G4SDManager::GetSDMpointer()->AddNewDetector(trackerSD);
// Setting trackerSD to all logical volumes with the same name
// of "Chamber_LV".
SetSensitiveDetector("Chamber_LV", aTrackerSD, true);
SetSensitiveDetector("Chamber_LV", trackerSD, true);
// Create global magnetic field messenger.
// Uniform magnetic field is then created automatically if
@@ -303,22 +292,18 @@ void DetectorConstruction::SetTargetMaterial(G4String materialName)
{
G4NistManager* nistManager = G4NistManager::Instance();
G4Material* pttoMaterial =
nistManager->FindOrBuildMaterial(materialName);
G4Material* pttoMaterial = nistManager->FindOrBuildMaterial(materialName);
if (fTargetMaterial != pttoMaterial) {
if ( pttoMaterial ) {
fTargetMaterial = pttoMaterial;
if (fLogicTarget) fLogicTarget->SetMaterial(fTargetMaterial);
G4cout
<< G4endl
<< "----> The target is made of " << materialName << G4endl;
} else {
G4cout
<< G4endl
<< "--> WARNING from SetTargetMaterial : "
<< materialName << " not found" << G4endl;
}
if (pttoMaterial) {
fTargetMaterial = pttoMaterial;
if (fLogicTarget) fLogicTarget->SetMaterial(fTargetMaterial);
G4cout << G4endl << "----> The target is made of " << materialName << G4endl;
}
else {
G4cout << G4endl << "--> WARNING from SetTargetMaterial : " << materialName << " not found"
<< G4endl;
}
}
}
@@ -328,25 +313,20 @@ void DetectorConstruction::SetChamberMaterial(G4String materialName)
{
G4NistManager* nistManager = G4NistManager::Instance();
G4Material* pttoMaterial =
nistManager->FindOrBuildMaterial(materialName);
G4Material* pttoMaterial = nistManager->FindOrBuildMaterial(materialName);
if (fChamberMaterial != pttoMaterial) {
if ( pttoMaterial ) {
fChamberMaterial = pttoMaterial;
for (G4int copyNo=0; copyNo<fNbOfChambers; copyNo++) {
if (fLogicChamber[copyNo]) fLogicChamber[copyNo]->
SetMaterial(fChamberMaterial);
}
G4cout
<< G4endl
<< "----> The chambers are made of " << materialName << G4endl;
} else {
G4cout
<< G4endl
<< "--> WARNING from SetChamberMaterial : "
<< materialName << " not found" << G4endl;
}
if (pttoMaterial) {
fChamberMaterial = pttoMaterial;
for (G4int copyNo = 0; copyNo < fNbOfChambers; copyNo++) {
if (fLogicChamber[copyNo]) fLogicChamber[copyNo]->SetMaterial(fChamberMaterial);
}
G4cout << G4endl << "----> The chambers are made of " << materialName << G4endl;
}
else {
G4cout << G4endl << "--> WARNING from SetChamberMaterial : " << materialName << " not found"
<< G4endl;
}
}
}
@@ -354,7 +334,7 @@ void DetectorConstruction::SetChamberMaterial(G4String materialName)
void DetectorConstruction::SetMaxStep(G4double maxStep)
{
if ((fStepLimit)&&(maxStep>0.)) fStepLimit->SetMaxAllowedStep(maxStep);
if ((fStepLimit) && (maxStep > 0.)) fStepLimit->SetMaxAllowedStep(maxStep);
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
@@ -366,4 +346,4 @@ void DetectorConstruction::SetCheckOverlaps(G4bool checkOverlaps)
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
}
} // namespace B2a