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update of TRK and FT3 services, to better match with Corrado's scheme #15392

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Merged
njacazio merged 2 commits into from
May 12, 2026
+102 −58
Merged

update of TRK and FT3 services, to better match with Corrado's scheme #15392

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87bd30b
update of TRK and FT3 services, to better match with Corrado's scheme
May 11, 2026
6e23516
adjust spacing
May 11, 2026
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2 changes: 1 addition & 1 deletion Detectors/Upgrades/ALICE3/FT3/base/include/FT3Base/FT3BaseParam.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ struct FT3BaseParam : public o2::conf::ConfigurableParamHelper<FT3BaseParam> {

// override values from FT3ModuleConstants, inner and outer
bool cutStavesOnNominalRadius_inner = true;
bool cutStavesOnNominalRadius_outer = false;
bool cutStavesOnNominalRadius_outer = true;

// What to place over x=0 line in case of full outer-outer stave: Gap or Sensor
bool placeSensorInMiddleOfStave = false;
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7 changes: 4 additions & 3 deletions Detectors/Upgrades/ALICE3/FT3/simulation/src/FT3Layer.cxx
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Expand Up @@ -428,7 +428,7 @@ void FT3Layer::createLayer(TGeoVolume* motherVolume)
// need to shift outwards always, so + forwards and - backwards
auto* FwdDiskCombiTrans = new TGeoCombiTrans(0, 0, mZ + 0, FwdDiskRotation);

LOG(info) << "Inserting " << layerVol->GetName() << " inside " << motherVolume->GetName();
LOG(info) << "Inserting " << layerVol->GetName() << " (Rmin=" << mInnerRadius << ", Rmax=" << mOuterRadius << ", z=" << mZ << "cm) inside " << motherVolume->GetName();
motherVolume->AddNode(layerVol, 1, FwdDiskCombiTrans);
} else if (ft3Params.layoutFT3 == kSegmentedStave ||
ft3Params.layoutFT3 == kSegmentedStaveOTOnly) {
Expand Down Expand Up @@ -459,7 +459,7 @@ void FT3Layer::createLayer(TGeoVolume* motherVolume)

// shift stave volumes into layer volume, since nominal z_{stave face} = 0
double z_local_offset = z_layer_thickness / 2.0;
TGeoTube* layer = new TGeoTube(mInnerRadius - 12, mOuterRadius + 5, z_layer_thickness / 2);
TGeoTube* layer = new TGeoTube(mInnerRadius - 0.2, mOuterRadius + 0.4, z_layer_thickness / 2); // margins to ensure staves are fully encapsulated in the layer volume
layerVol = new TGeoVolume(mLayerName.c_str(), layer, medAir);

if (ft3Params.drawReferenceCircles) {
Expand All @@ -476,7 +476,8 @@ void FT3Layer::createLayer(TGeoVolume* motherVolume)
double z_offset_directional = mDirection ? z_local_offset : -z_local_offset;
auto* FwdDiskCombiTrans = new TGeoCombiTrans(0, 0, mZ + z_offset_directional, FwdDiskRotation);

LOG(info) << "Inserting " << layerVol->GetName() << " inside " << motherVolume->GetName();
LOG(info) << "Inserting " << layerVol->GetName() << " (Rmin=" << mInnerRadius << ", Rmax=" << mOuterRadius << ", z=" << mZ << "cm, segmented disk with staves) inside " << motherVolume->GetName();

motherVolume->AddNode(layerVol, 1, FwdDiskCombiTrans);
} else {
LOG(fatal) << "Unknown FT3 layout option: " << static_cast<int>(ft3Params.layoutFT3);
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