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Fix the vertical position of IB FPC resistors #15876

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Merged
f3sch merged 1 commit into from
Oct 1, 2026
Merged

Fix the vertical position of IB FPC resistors #15876

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13 changes: 12 additions & 1 deletion Detectors/ITSMFT/ITS/simulation/src/V3Layer.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -595,7 +595,7 @@ TGeoVolume* V3Layer::createModuleInnerB(const Double_t xchip, const Double_t zch
{
//
// Creates the FPC and glue volumes
// (zimilar to previous method, except the Chips)
// (similar to previous method, except the Chips)
//
// Input:
// xchip : the Chip width
Expand Down Expand Up @@ -700,6 +700,16 @@ void V3Layer::createIBCapacitors(TGeoVolume* modvol, Double_t zchip, Double_t yz
//
// Adds the capacitors to the IB FPC
//
// Input:
// modvol : the IB module mother volume
// zchip : the chip half Z length
// yzero : the Y base position of capacitors
// mgr : the GeoManager
//
// Output:
//
// Return:
//
// Created: 13 Feb 2018 Mario Sitta
// Updated: 03 Apr 2019 Mario Sitta Fix positions (180' rotation)
// Updated: 31 Oct 2025 Mario Sitta Fix dimensions and weight
Expand Down Expand Up @@ -833,6 +843,7 @@ void V3Layer::createIBCapacitors(TGeoVolume* modvol, Double_t zchip, Double_t yz

// Place the resistors
xpos = xResist;
ypos = yzero + sIBFlexResistorYHi / 2;
for (Int_t j = 0; j < nResist; j++) {
zpos = zResist[j];
modvol->AddNode(resistor, j + 1, new TGeoTranslation(-xpos, ypos, -zpos));
Expand Down
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