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[ALICE3] Fix geometry overlaps in tracker (ML/OT) #15072

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Merged
njacazio merged 1 commit into from
Feb 17, 2026
+22 −22
Merged

[ALICE3] Fix geometry overlaps in tracker (ML/OT) #15072

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2 changes: 1 addition & 1 deletion Detectors/Upgrades/ALICE3/FT3/simulation/src/FT3Module.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,7 @@ void FT3Module::create_layout(double mZ, int layerNumber, int direction, double

double carbonFiberThickness = 0.01;

double foamSpacingThickness = 0.5;
double foamSpacingThickness = 1.0;

int dist_offset = 0;

Expand Down
42 changes: 21 additions & 21 deletions Detectors/Upgrades/ALICE3/TRK/simulation/src/TRKServices.cxx
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Expand Up @@ -320,26 +320,26 @@ void TRKServices::createMiddleServices(TGeoVolume* motherVolume)
const float rMaxMiddleBarrelDisk = 35.f;
const float zLengthMiddleBarrel = 64.2f;
for (auto& orientation : {Orientation::kASide, Orientation::kCSide}) {
TGeoTube* middleBarrelConnDiskSIO2 = new TGeoTube(Form("TRK_MIDBARCONN_DISK_SIO2sh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, siO2FiberThick);
TGeoTube* middleBarrelConnDiskPE = new TGeoTube(Form("TRK_MIDBARCONN_DISK_PEsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, peFiberThick);
TGeoTube* middleBarrelConnDiskSIO2 = new TGeoTube(Form("TRK_MIDBARCONN_DISK_SIO2sh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, siO2FiberThick / 2.);
TGeoTube* middleBarrelConnDiskPE = new TGeoTube(Form("TRK_MIDBARCONN_DISK_PEsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, peFiberThick / 2.);
TGeoVolume* middleBarrelConnDiskSIO2Volume = new TGeoVolume(Form("TRK_MIDBARCONN_DISK_SIO2_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), middleBarrelConnDiskSIO2, medSiO2);
TGeoVolume* middleBarrelConnDiskPEVolume = new TGeoVolume(Form("TRK_MIDBARCONN_DISK_PE_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), middleBarrelConnDiskPE, medPE);
middleBarrelConnDiskSIO2Volume->SetLineColor(kGray);
middleBarrelConnDiskPEVolume->SetLineColor(kGray);
auto* rot = new TGeoRotation("", 0, 0, 180);
auto* combiTransSIO2 = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick / 2 + zLengthMiddleBarrel), rot);
auto* combiTransPE = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick / 2 + zLengthMiddleBarrel), rot);
auto* combiTransSIO2 = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick / 2. + zLengthMiddleBarrel), rot);
auto* combiTransPE = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick / 2. + zLengthMiddleBarrel), rot);
motherVolume->AddNode(middleBarrelConnDiskSIO2Volume, 1, combiTransSIO2);
motherVolume->AddNode(middleBarrelConnDiskPEVolume, 1, combiTransPE);

TGeoTube* middleBarrelConnDiskCu = new TGeoTube(Form("TRK_MIDBARCONN_DISK_CUsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, cuPowerThick);
TGeoTube* middleBarrelConnDiskPEPower = new TGeoTube(Form("TRK_MIDBARCONN_DISK_PEsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, pePowerThick);
TGeoTube* middleBarrelConnDiskCu = new TGeoTube(Form("TRK_MIDBARCONN_DISK_CUsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, cuPowerThick / 2.);
TGeoTube* middleBarrelConnDiskPEPower = new TGeoTube(Form("TRK_MIDBARCONN_DISK_PEsh_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), rMinMiddleBarrelDisk, rMaxMiddleBarrelDisk, pePowerThick / 2.);
TGeoVolume* middleBarrelConnDiskCuVolume = new TGeoVolume(Form("TRK_MIDBARCONN_DISK_CU_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), middleBarrelConnDiskCu, medCu);
TGeoVolume* middleBarrelConnDiskPEPowerVolume = new TGeoVolume(Form("TRK_MIDBARCONN_DISK_PE_%s", orientation == Orientation::kASide ? "bwd" : "fwd"), middleBarrelConnDiskPEPower, medPE);
middleBarrelConnDiskCuVolume->SetLineColor(kGray);
middleBarrelConnDiskPEPowerVolume->SetLineColor(kGray);
auto* combiTransCu = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick / 2 + zLengthMiddleBarrel), rot);
auto* combiTransPEPower = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick / 2 + zLengthMiddleBarrel), rot);
auto* combiTransCu = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick / 2. + zLengthMiddleBarrel), rot);
auto* combiTransPEPower = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick / 2. + zLengthMiddleBarrel), rot);
motherVolume->AddNode(middleBarrelConnDiskCuVolume, 1, combiTransCu);
motherVolume->AddNode(middleBarrelConnDiskPEPowerVolume, 1, combiTransPEPower);

Expand All @@ -357,39 +357,39 @@ void TRKServices::createMiddleServices(TGeoVolume* motherVolume)
float rMaxMiddleServicesBarFwd = 74.5f + siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick + puCoolingThick + h2oCoolingThick;
for (auto& orientation : {Orientation::kASide, Orientation::kCSide}) {
// Create fibers: 3.07mm, 50% SiO2, 50% PE
TGeoTube* middleBarFwdFiberSIO2 = new TGeoTube("TRK_MIDBARFWD_FIBER_SIO2sh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, siO2FiberThick);
TGeoTube* middleBarFwdFiberPE = new TGeoTube("TRK_MIDBARFWD_FIBER_PEsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, peFiberThick);
TGeoTube* middleBarFwdFiberSIO2 = new TGeoTube("TRK_MIDBARFWD_FIBER_SIO2sh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, siO2FiberThick / 2.);
TGeoTube* middleBarFwdFiberPE = new TGeoTube("TRK_MIDBARFWD_FIBER_PEsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, peFiberThick / 2.);
TGeoVolume* middleBarFwdFiberSIO2Volume = new TGeoVolume("TRK_MIDBARFWD_FIBER_SIO2", middleBarFwdFiberSIO2, medSiO2);
TGeoVolume* middleBarFwdFiberPEVolume = new TGeoVolume("TRK_MIDBARFWD_FIBER_PE", middleBarFwdFiberPE, medPE);
middleBarFwdFiberSIO2Volume->SetLineColor(kGray);
middleBarFwdFiberPEVolume->SetLineColor(kGray);
auto* rot = new TGeoRotation("", 0, 0, 180);
auto* combiTransSIO2 = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick / 2 + zLengthMiddleServices), rot);
auto* combiTransPE = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick / 2 + zLengthMiddleServices), rot);
auto* combiTransSIO2 = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick / 2. + zLengthMiddleServices), rot);
auto* combiTransPE = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick / 2. + zLengthMiddleServices), rot);
motherVolume->AddNode(middleBarFwdFiberSIO2Volume, 1, combiTransSIO2);
motherVolume->AddNode(middleBarFwdFiberPEVolume, 1, combiTransPE);

// Create powerlines: 10.9mm, 9% Cu, 91% PE
TGeoTube* middleBarFwdPowerCu = new TGeoTube("TRK_MIDBARFWD_POWER_CUsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, cuPowerThick);
TGeoTube* middleBarFwdPowerPE = new TGeoTube("TRK_MIDBARFWD_POWER_PEsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, pePowerThick);
TGeoTube* middleBarFwdPowerCu = new TGeoTube("TRK_MIDBARFWD_POWER_CUsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, cuPowerThick / 2.);
TGeoTube* middleBarFwdPowerPE = new TGeoTube("TRK_MIDBARFWD_POWER_PEsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, pePowerThick / 2.);
TGeoVolume* middleBarFwdPowerCuVolume = new TGeoVolume("TRK_MIDBARFWD_POWER_CU", middleBarFwdPowerCu, medCu);
TGeoVolume* middleBarFwdPowerPEVolume = new TGeoVolume("TRK_MIDBARFWD_POWER_PE", middleBarFwdPowerPE, medPE);
middleBarFwdPowerCuVolume->SetLineColor(kGray);
middleBarFwdPowerPEVolume->SetLineColor(kGray);
auto* combiTransCu = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick / 2 + zLengthMiddleServices), rot);
auto* combiTransPEPower = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick / 2 + zLengthMiddleServices), rot);
auto* combiTransCu = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick / 2. + zLengthMiddleServices), rot);
auto* combiTransPEPower = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick / 2. + zLengthMiddleServices), rot);
motherVolume->AddNode(middleBarFwdPowerCuVolume, 1, combiTransCu);
motherVolume->AddNode(middleBarFwdPowerPEVolume, 1, combiTransPEPower);

// Create cooling pipes: 4.74mm, 56% PU, 44% H2O
TGeoTube* middleBarFwdCoolingPU = new TGeoTube("TRK_MIDBARFWD_COOLING_PUsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, puCoolingThick);
TGeoTube* middleBarFwdCoolingH2O = new TGeoTube("TRK_MIDBARFWD_COOLING_H2Osh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, h2oCoolingThick);
TGeoTube* middleBarFwdCoolingPU = new TGeoTube("TRK_MIDBARFWD_COOLING_PUsh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, puCoolingThick / 2.);
TGeoTube* middleBarFwdCoolingH2O = new TGeoTube("TRK_MIDBARFWD_COOLING_H2Osh", rMinMiddleBarrel, rMaxMiddleServicesBarFwd, h2oCoolingThick / 2.);
TGeoVolume* middleBarFwdCoolingPUVolume = new TGeoVolume("TRK_MIDBARFWD_COOLING_PU", middleBarFwdCoolingPU, medPU);
TGeoVolume* middleBarFwdCoolingH2OVolume = new TGeoVolume("TRK_MIDBARFWD_COOLING_H2O", middleBarFwdCoolingH2O, medH2O);
middleBarFwdCoolingPUVolume->SetLineColor(kGray);
middleBarFwdCoolingH2OVolume->SetLineColor(kGray);
auto* combiTransCoolingPU = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick + puCoolingThick / 2 + zLengthMiddleServices), rot);
auto* combiTransCoolingH2O = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick + puCoolingThick + h2oCoolingThick / 2 + zLengthMiddleServices), rot);
auto* combiTransCoolingPU = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick + puCoolingThick / 2. + zLengthMiddleServices), rot);
auto* combiTransCoolingH2O = new TGeoCombiTrans(0, 0, (int)orientation * (siO2FiberThick + peFiberThick + cuPowerThick + pePowerThick + puCoolingThick + h2oCoolingThick / 2. + zLengthMiddleServices), rot);
motherVolume->AddNode(middleBarFwdCoolingPUVolume, 1, combiTransCoolingPU);
motherVolume->AddNode(middleBarFwdCoolingH2OVolume, 1, combiTransCoolingH2O);
}
Expand Down Expand Up @@ -501,4 +501,4 @@ void TRKServices::createOuterBarrelServices(TGeoVolume* motherVolume)
motherVolume->AddNode(outerBarrelCoolingH2OVolume, 1, nullptr);
}
} // namespace trk
} // namespace o2
} // namespace o2