From 1b9adf0fbb1dc6e56fd4c8d0ff9cdf486e90b455 Mon Sep 17 00:00:00 2001
From: John William Spencer <john.william.spencer@cern.ch>
Date: Tue, 2 Feb 2021 20:11:43 +0000
Subject: [PATCH] Replace DetectorConstruction.cc
---
src/DetectorConstruction.cc | 365 ++++++++++++++++--------------------
1 file changed, 160 insertions(+), 205 deletions(-)
diff --git a/src/DetectorConstruction.cc b/src/DetectorConstruction.cc
index fb8ed7f..8d19fab 100644
--- a/src/DetectorConstruction.cc
+++ b/src/DetectorConstruction.cc
@@ -29,11 +29,11 @@
#include "DetectorConstruction.hh"
#include "CalorimeterSD.hh"
-
#include "G4Material.hh"
#include "G4NistManager.hh"
#include "G4Box.hh"
+#include "G4Trap.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4PVReplica.hh"
@@ -58,8 +58,7 @@ G4GlobalMagFieldMessenger* DetectorConstruction::fMagFieldMessenger = 0;
DetectorConstruction::DetectorConstruction()
: G4VUserDetectorConstruction(),
fCheckOverlaps(true),
- fNofLayers(-1),
- fNofPlanes(-1)
+ fNofLayers(-1)
{
}
@@ -115,7 +114,7 @@ void DetectorConstruction::DefineMaterials()
//G4Element* elPb = new G4Element("Lead" , "Pb", z= 82.,a=207.19*g/mole);
//G4Element* elFe = new G4Element("Iron" , "Fe", z= 26.,a=55.85*g/mole);
//G4Element* elTi = new G4Element("Titanium", "Ti", z= 22.,a=44.87*g/mole);
- //G4Element* elCa = new G4Element("Calcium", "Ca", z= 20.,a=40.078*g/mole);
+ G4Element* elCa = new G4Element("Calcium", "Ca", z= 20.,a=40.078*g/mole);
// //http://inspirehep.net/record/641997/files/641997.pdf
// new G4Material("EmulsionMaterial", z=8.9, a=18.2*g/mole, density=2.40*g/cm3);
@@ -147,6 +146,26 @@ void DetectorConstruction::DefineMaterials()
H2O->AddElement(elH, natoms=2);
H2O->AddElement(elO, natoms=1);
+ G4Material* SiO2
+ = new G4Material("SiO2",
+ density = 2.2*g/cm3,
+ ncomponents = 2);
+ SiO2->AddElement(elSi, natoms=1);
+ SiO2->AddElement(elO, natoms=2);
+
+ G4Material* CaCO3
+ = new G4Material("CaCO3",
+ density = 2.93*g/cm3,
+ ncomponents = 3);
+ CaCO3->AddElement(elCa, natoms=1);
+ CaCO3->AddElement(elC, natoms=1);
+ CaCO3->AddElement(elO, natoms=3);
+
+ G4Material* RockMaterial
+ = new G4Material("RockMaterial", density=2.5*g/cm3, ncomponents=2);
+ RockMaterial->AddMaterial(SiO2, fractionmass=0.589); // Sandstone
+ RockMaterial->AddMaterial(CaCO3, fractionmass=0.411); // Marl
+
G4Material* TAC
= new G4Material("TAC",
density = 1.35*g/cm3,
@@ -186,47 +205,43 @@ void DetectorConstruction::DefineMaterials()
G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
{
// Geometry parameters
- fNofLayers = 1000; // temporary
- G4double absoThickness = 1.*mm;
- G4double emulThickness = 0.05*mm;
- G4double baseThickness = 0.20*mm;
- G4double calorSizeX = 25*cm;
- G4double calorSizeY = 25*cm;
+ G4double rockSizeX = 15.0*cm;
+ G4double rockSizeY = 12.5*cm;
+ G4double rockThickness = 500.*cm;
+ G4double rockCaloGap = 315.4*cm;
- fNofPlanes = 3;
- G4double sctThickness = 0.285*mm;
- G4double baseBoardThickness = 0.380*mm;
- G4double glueThickness = 0.025*mm;
- G4double planeSizeXY = 24*cm; // interface detector
- G4double gapPlane = 35.*mm;
- G4double gapCaloSCT = 20.*mm;
+ fNofLayers = 101;
+ G4double absoThickness = 1.00*mm;
+ // fNofLayers = 120;
+ // G4double absoThickness = 0.50*mm;
+ G4double emulThickness = 0.05*mm;
+ G4double baseThickness = 0.20*mm;
+ G4double calorSizeX = 12.5*cm;
+ G4double calorSizeY = 10.0*cm;
+
auto layerThickness = absoThickness + emulThickness*2 + baseThickness;
auto calorThickness = fNofLayers * layerThickness;
- auto planeThickness = baseBoardThickness + glueThickness*2 + sctThickness*2;
- auto stationThickness = gapCaloSCT+gapPlane*2+planeThickness*3;
-
- auto worldSizeX = 1.2 * calorSizeX;
- auto worldSizeY = 1.2 * calorSizeY;
- auto worldSizeZ = 1.2 * (calorThickness+stationThickness);
+
+ auto worldSizeX = 1.2 * rockSizeX;
+ auto worldSizeY = 1.2 * rockSizeY;
+ auto worldSizeZ = 1.2 * (rockThickness+rockCaloGap+calorThickness);
+ printf("Xin: rockThickness= %f mm, rockCaloGap = %f mm, calorThickness = %f mm\n",rockThickness/mm,rockCaloGap/mm,calorThickness/mm);
// Get materials
auto defaultMaterial = G4Material::GetMaterial("Galactic");
- auto absorberMaterial = G4Material::GetMaterial("G4_W"); //Tungsten
- //auto absorberMaterial = G4Material::GetMaterial("G4_Pb"); //Lead
+ auto absorberMaterial = G4Material::GetMaterial("G4_Pb"); //Lead
+ //auto absorberMaterial = G4Material::GetMaterial("G4_W"); //Tungsten
auto emulsionMaterial = G4Material::GetMaterial("EmulsionMaterial");
auto baseMaterial = G4Material::GetMaterial("BaseMaterial");
- auto sctMaterial = G4Material::GetMaterial("G4_Si"); //Silicon
- auto baseBoardMaterial = G4Material::GetMaterial("TpgMaterial");
- auto glueMaterial = G4Material::GetMaterial("Epoxy");
-
- if ( ! defaultMaterial || ! absorberMaterial || ! emulsionMaterial || ! baseMaterial || ! sctMaterial || ! baseBoardMaterial || ! glueMaterial ) {
+ auto rockMaterial = G4Material::GetMaterial("RockMaterial");
+
+ if ( ! defaultMaterial || ! absorberMaterial || ! emulsionMaterial || ! baseMaterial || ! rockMaterial ) {
G4ExceptionDescription msg;
msg << "Cannot retrieve materials already defined.";
- G4Exception("DetectorConstruction::DefineVolumes()",
- "MyCode0001", FatalException, msg);
+ G4Exception("DetectorConstruction::DefineVolumes()", "MyCode0001", FatalException, msg);
}
-
+
//
// World
//
@@ -250,6 +265,95 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
false, // no boolean operation
0, // copy number
fCheckOverlaps); // checking overlaps
+
+ //
+ // Station
+ //
+ auto stationS
+ = new G4Box("Station", // its name
+ rockSizeX/2, rockSizeY/2, (rockThickness+rockCaloGap)/2); //its size
+
+ auto stationLV
+ = new G4LogicalVolume(
+ stationS, // its solid
+ defaultMaterial, // its material
+ "Station"); // its name
+
+ new G4PVPlacement(
+ 0, // no rotation
+ G4ThreeVector(0., 0., -calorThickness/2),
+ stationLV, // its logical volume
+ "Station", // its name
+ worldLV, // its mother volume
+ false, // no boolean operation
+ 0, // copy number
+ fCheckOverlaps); // checking overlaps
+
+ //
+ // rock
+ //
+ // auto rockS
+ // = new G4Box("Rock", // its name
+ // rockSizeX/2, rockSizeY/2, rockThickness/2); //its size
+
+ //http://geant4-userdoc.web.cern.ch/geant4-userdoc/UsersGuides/ForApplicationDeveloper/html/Detector/Geometry/geomSolids.html#constructed-solid-geometry-csg-solids
+ G4double scale = 0.895;
+ auto rockS
+ = new G4Trap("Rock",
+ rockSizeY/2, //pDz
+ atan(rockCaloGap*scale/2/rockSizeY), //pTheta
+ acos(-1)/2, //pPhi
+ (rockThickness+rockCaloGap*scale)/2, //pDy1
+ rockSizeX/2, //pDx1
+ rockSizeX/2, //pDx2
+ 0., //pAlp1
+ rockThickness/2, //pDy2
+ rockSizeX/2, //pDx3
+ rockSizeX/2, //pDx4
+ 0.); //pAlp2
+
+ G4RotationMatrix* xRot = new G4RotationMatrix();
+ xRot->rotateX(acos(-1)/2);
+
+ auto rockLV
+ = new G4LogicalVolume(
+ rockS, // its solid
+ rockMaterial, // its material
+ "Rock"); // its name
+
+ new G4PVPlacement(
+ //0, // no rotation
+ xRot, // rotation
+ G4ThreeVector(0., 0., -rockCaloGap*(1-scale)/2-rockCaloGap*scale/4), // its position
+ rockLV, // its logical volume
+ "Rock", // its name
+ stationLV, // its mother volume
+ false, // no boolean operation
+ 0, // copy number
+ fCheckOverlaps); // checking overlaps
+
+ //
+ // gap
+ //
+ auto gapS
+ = new G4Box("Gap", // its name
+ rockSizeX/2, rockSizeY/2, rockCaloGap*(1-scale)/2); //its size
+
+ auto gapLV
+ = new G4LogicalVolume(
+ gapS, // its solid
+ defaultMaterial, // its material
+ "Gap"); // its name
+
+ new G4PVPlacement(
+ 0, // no rotation
+ G4ThreeVector(0., 0., (rockThickness+rockCaloGap*scale)/2), // its position
+ gapLV, // its logical volume
+ "Gap", // its name
+ stationLV, // its mother volume
+ false, // no boolean operation
+ 0, // copy number
+ fCheckOverlaps); // checking overlaps
//
// Calorimeter
@@ -266,7 +370,7 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
new G4PVPlacement(
0, // no rotation
- G4ThreeVector(0., 0., -stationThickness/2),
+ G4ThreeVector(0., 0., (rockThickness+rockCaloGap)/2),
calorLV, // its logical volume
"Calorimeter", // its name
worldLV, // its mother volume
@@ -292,7 +396,7 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
layerLV, // its logical volume
calorLV, // its mother
kZAxis, // axis of replication
- fNofLayers, // number of replica
+ fNofLayers, // number of replica
layerThickness); // witdth of replica
//
@@ -374,161 +478,6 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
1, // copy number
fCheckOverlaps); // checking overlaps
- //
- // Station
- //
- auto stationS
- = new G4Box("Station", // its name
- planeSizeXY/2, planeSizeXY/2, stationThickness/2); //its size
-
- auto stationLV
- = new G4LogicalVolume(
- stationS, // its solid
- defaultMaterial, // its material
- "Station"); // its name
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., calorThickness/2),
- stationLV, // its logical volume
- "Station", // its name
- worldLV, // its mother volume
- false, // no boolean operation
- 0, // copy number
- fCheckOverlaps); // checking overlaps
-
- //
- // Plane
- //
- auto planeS
- = new G4Box("Plane", // its name
- planeSizeXY/2, planeSizeXY/2, planeThickness/2); //its size
-
- auto planeLV
- = new G4LogicalVolume(
- planeS, // its solid
- defaultMaterial, // its material
- "Plane"); // its name
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., -(planeThickness+gapPlane)+0.5*gapCaloSCT), // its position
- planeLV, // its logical volume
- "Plane1", // its name
- stationLV, // its mother volume
- false, // no boolean operation
- 0, // copy number
- fCheckOverlaps); // checking overlaps
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., 0.5*gapCaloSCT), // its position
- planeLV, // its logical volume
- "Plane2", // its name
- stationLV, // its mother volume
- false, // no boolean operation
- 1, // copy number
- fCheckOverlaps); // checking overlaps
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., (planeThickness+gapPlane)+0.5*gapCaloSCT), // its position
- planeLV, // its logical volume
- "Plane3", // its name
- stationLV, // its mother volume
- false, // no boolean operation
- 2, // copy number
- fCheckOverlaps); // checking overlaps
-
- //
- // BaseBoard
- //
- auto baseBoardS
- = new G4Box("BaseBoard", // its name
- planeSizeXY/2, planeSizeXY/2, baseBoardThickness/2); // its size
-
- auto baseBoardLV
- = new G4LogicalVolume(
- baseBoardS, // its solid
- baseBoardMaterial, // its material
- "BaseBoardLV"); // its name
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., 0.), // its position
- baseBoardLV, // its logical volume
- "BaseBoard", // its name
- planeLV, // its mother volume
- false, // no boolean operation
- 0, // copy number
- fCheckOverlaps); // checking overlaps
-
- //
- // Glue
- //
- auto glueS
- = new G4Box("Glue", // its name
- planeSizeXY/2, planeSizeXY/2, glueThickness/2); // its size
-
- auto glueLV
- = new G4LogicalVolume(
- glueS, // its solid
- glueMaterial, // its material
- "GlueLV"); // its name
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., -(baseBoardThickness+glueThickness)/2), // its position
- glueLV, // its logical volume
- "Glue1", // its name
- planeLV, // its mother volume
- false, // no boolean operation
- 0, // copy number
- fCheckOverlaps); // checking overlaps
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., (baseBoardThickness+glueThickness)/2), // its position
- glueLV, // its logical volume
- "Glue2", // its name
- planeLV, // its mother volume
- false, // no boolean operation
- 1, // copy number
- fCheckOverlaps); // checking overlaps
-
- //
- // SCT
- //
- auto sctS
- = new G4Box("SCT", // its name
- planeSizeXY/2, planeSizeXY/2, sctThickness/2); // its size
-
- auto sctLV
- = new G4LogicalVolume(
- sctS, // its solid
- sctMaterial, // its material
- "SCTLV"); // its name
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., -(baseBoardThickness+sctThickness)/2-glueThickness), // its position
- sctLV, // its logical volume
- "SCT1", // its name
- planeLV, // its mother volume
- false, // no boolean operation
- 0, // copy number
- fCheckOverlaps); // checking overlaps
-
- new G4PVPlacement(
- 0, // no rotation
- G4ThreeVector(0., 0., (baseBoardThickness+sctThickness)/2+glueThickness), // its position
- sctLV, // its logical volume
- "SCT2", // its name
- planeLV, // its mother volume
- false, // no boolean operation
- 1, // copy number
- fCheckOverlaps); // checking overlaps
-
//
// print parameters
//
@@ -551,30 +500,41 @@ G4VPhysicalVolume* DetectorConstruction::DefineVolumes()
worldLV->SetVisAttributes(G4VisAttributes::GetInvisible());
//auto visAttributes = new G4VisAttributes(G4Colour(1.0,1.0,1.0)); // white
- auto visAttributes = new G4VisAttributes(G4Colour(0.5, 0.5, 0.5)); // grey
+ auto visAttributes = new G4VisAttributes(G4Colour::White());
//visAttributes->SetVisibility(false);
calorLV->SetVisAttributes(visAttributes);
layerLV->SetVisAttributes(G4VisAttributes::GetInvisible());
- visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.9)); // blue
- visAttributes->SetVisibility(false);
+ //http://www.apc.univ-paris7.fr/~franco/g4doxy/html/classG4Colour.html
+ visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.0));
+ visAttributes->SetColour(0.5,0.5,0.5,0.1); // Grey
+ //visAttributes->SetVisibility(false);
+ visAttributes->SetForceSolid(true);
absorberLV->SetVisAttributes(visAttributes);
- visAttributes = new G4VisAttributes(G4Colour(0.9,0.9,0.0)); // yellow
- visAttributes->SetVisibility(false);
+ visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.0));
+ visAttributes->SetColour(0.9,0.9,0.0,0.1); // Yellow
+ //visAttributes->SetVisibility(false);
+ visAttributes->SetForceSolid(true);
baseLV->SetVisAttributes(visAttributes);
visAttributes = new G4VisAttributes(G4Colour(0.8888,0.0,0.0)); // red
visAttributes->SetVisibility(false);
emulsionLV->SetVisAttributes(visAttributes);
- stationLV->SetVisAttributes(G4VisAttributes::GetInvisible());
+ visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.0));
+ visAttributes->SetColour(0.5,0.5,0.5,0.1); // Grey
+ //visAttributes->SetVisibility(false);
+ visAttributes->SetForceSolid(true);
+ rockLV->SetVisAttributes(visAttributes);
+
+ // visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.0));
+ // visAttributes->SetColour(0.9,0.9,0.0,0.1); // Yellow
+ // //visAttributes->SetVisibility(false);
+ // visAttributes->SetForceSolid(true);
+ // gapLV->SetVisAttributes(visAttributes);
- visAttributes = new G4VisAttributes(G4Colour(0.0,1.0,0.0)); // green
- //visAttributes = new G4VisAttributes(G4Colour(0.0, 0.0, 0.9));
- sctLV->SetVisAttributes(visAttributes);
-
//
// Always return the physical World
//
@@ -595,11 +555,6 @@ void DetectorConstruction::ConstructSDandField()
G4SDManager::GetSDMpointer()->AddNewDetector(emulsionSD);
SetSensitiveDetector("EmulsionLV",emulsionSD);
-
-
-
-
-
//
// Magnetic field
//
--
GitLab