[ALICE 3] Fix extrusions in TOF and forward tracker (FT3)

Author: marcovanleeuwen

Detectors/Upgrades/ALICE3/FT3/simulation/src/FT3Layer.cxx

@@ -390,7 +390,7 @@ void FT3Layer::createLayer(TGeoVolume* motherVolume)
     std::string separationLayerName = "FT3SeparationLayer" + std::to_string(mDirection) + std::to_string(mLayerNumber);
 
     TGeoMedium* medAir = gGeoManager->GetMedium("FT3_AIR$");
-    TGeoTube* layer = new TGeoTube(mInnerRadius, mOuterRadius, 12 * mChipThickness / 2); // additional "thickness factor" is to avoid sub-volumes crossing the mother layer
+    TGeoTube* layer = new TGeoTube(mInnerRadius-0.1, mOuterRadius+0.1, 1.5); // Add a little additional room in radius; Try with 1.5 cm thickness
     TGeoVolume* layerVol = new TGeoVolume(mLayerName.c_str(), layer, medAir);
     layerVol->SetLineColor(kYellow + 2);
 

Detectors/Upgrades/ALICE3/IOTOF/simulation/src/Layer.cxx

@@ -159,7 +159,7 @@ void ITOFLayer::createLayer(TGeoVolume* motherVolume)
       const double staveSizeY = mOuterRadius - mInnerRadius;                                                                                             // cm
       const double staveSizeZ = mZLength;                                                                                                                // cm
       const double deltaForTilt = 0.5 * (std::sin(TMath::DegToRad() * mTiltAngle) * staveSizeX + std::cos(TMath::DegToRad() * mTiltAngle) * staveSizeY); // we increase the size of the layer to account for the tilt of the staves
-      TGeoTube* layer = new TGeoTube(mInnerRadius - deltaForTilt, mOuterRadius + deltaForTilt, mZLength / 2);
+      TGeoTube* layer = new TGeoTube(mInnerRadius - deltaForTilt, mOuterRadius + deltaForTilt + 0.1, mZLength / 2 );
       TGeoVolume* layerVol = new TGeoVolume(mLayerName.c_str(), layer, medAir);
       setLayerStyle(layerVol);
 
@@ -291,7 +291,7 @@ void OTOFLayer::createLayer(TGeoVolume* motherVolume)
       const double staveSizeY = mOuterRadius - mInnerRadius;                                                                                             // cm
       const double staveSizeZ = mZLength;                                                                                                                // cm
       const double deltaForTilt = 0.5 * (std::sin(TMath::DegToRad() * mTiltAngle) * staveSizeX + std::cos(TMath::DegToRad() * mTiltAngle) * staveSizeY); // we increase the size of the layer to account for the tilt of the staves
-      TGeoTube* layer = new TGeoTube(mInnerRadius - deltaForTilt, mOuterRadius + deltaForTilt, mZLength / 2);
+      TGeoTube* layer = new TGeoTube(mInnerRadius - deltaForTilt, mOuterRadius + deltaForTilt + 0.1, mZLength / 2);
       TGeoVolume* layerVol = new TGeoVolume(mLayerName.c_str(), layer, medAir);
       setLayerStyle(layerVol);
 
@@ -445,4 +445,4 @@ void BTOFLayer::createLayer(TGeoVolume* motherVolume)
 }
 
 } // namespace iotof
-} // namespace o2
+} // namespace o2

Detectors/Upgrades/ALICE3/TRK/simulation/src/TRKLayer.cxx

@@ -217,6 +217,7 @@ void TRKMLLayer::createLayer(TGeoVolume* motherVolume)
 {
   TGeoMedium* medAir = gGeoManager->GetMedium("TRK_AIR$");
   TGeoTube* layer = new TGeoTube(mInnerRadius - 0.333 * sLogicalVolumeThickness, mInnerRadius + 0.667 * sLogicalVolumeThickness, mLength / 2);
+  LOG(info) << "Create Layer " << mLayerName.c_str() << " inner " << mInnerRadius << " log vol thick " << sLogicalVolumeThickness;
   TGeoVolume* layerVol = new TGeoVolume(mLayerName.c_str(), layer, medAir);
   layerVol->SetLineColor(kYellow);
 
@@ -334,4 +335,4 @@ void TRKOTLayer::createLayer(TGeoVolume* motherVolume)
 // ClassImp(TRKLayer);
 
 } // namespace trk
-} // namespace o2
+} // namespace o2