From bc8f9ba1627efe1380a23dd0b6d18ddfea1ea43a Mon Sep 17 00:00:00 2001
From: David Emschermann <d.emschermann@gsi.de>
Date: Thu, 10 Mar 2022 05:26:44 +0100
Subject: [PATCH] update TRD v22d, shift TRD-1D by additional +7.0 cm in x for
the March carbon run, refs #2462
---
.../geometry/trd/Create_TRD_Geometry_v22d.C | 27 ++++++++-----------
1 file changed, 11 insertions(+), 16 deletions(-)
diff --git a/macro/mcbm/geometry/trd/Create_TRD_Geometry_v22d.C b/macro/mcbm/geometry/trd/Create_TRD_Geometry_v22d.C
index dfe6682400..5db9531391 100644
--- a/macro/mcbm/geometry/trd/Create_TRD_Geometry_v22d.C
+++ b/macro/mcbm/geometry/trd/Create_TRD_Geometry_v22d.C
@@ -2945,15 +2945,12 @@ void create_detector_layers(Int_t layerId)
// DEDE
// xPos = tan( frameref_angle ) * (zfront[setupid] + layerId * LayerThickness) - (DetectorSizeX[1]/2. - FrameWidth[1]); // shift module along x-axis
xPos = 0;
- /* if (layerId == 2) {
- xPos += -22; // offset in x of 1st large TRD in mCBM 2021_07
- yPos += -0.5;
- } // offset in x of 1st large TRD in mCBM 2021_07
+ if (layerId == 2) {
+ xPos += 7.; // offset in x mCBM Carbon March 2022
+ }
if (layerId == 3) {
- xPos += -19; // offset in x of 2nd large TRD in mCBM 2021_07
- yPos += 4.5;
- } // offset in x of 2nd large TRD in mCBM 2021_07
- */
+ xPos += 7.; // offset in x mCBM Carbon March 2022
+ }
layer_angle =
atan((DetectorSizeX[1] / 2. - FrameWidth[1] + xPos) / (zfront[setupid] + layerId * LayerThickness));
@@ -3161,15 +3158,13 @@ void create_gibbet_support()
{
TString layername = Form("layer%02d", l + 1);
// DESH
- /* if (l == 2) {
- xPos = -22; // offset in x of 1st large TRD in mCBM 2021_07
- yPos = -0.5;
- } // offset in x of 1st large TRD in mCBM 2021_07
+ if (l == 2) {
+ xPos = 7.; // offset in x mCBM Carbon March 2022
+ }
if (l == 3) {
- xPos = -19; // offset in x of 2nd large TRD in mCBM 2021_07
- yPos = 4.5;
- } // offset in x of 2nd large TRD in mCBM 2021_07
- */
+ xPos = 7.; // offset in x mCBM Carbon March 2022
+ }
+
TGeoTranslation* gibbet_placement =
new TGeoTranslation(xPos, yPos, LayerPosition[l] + LayerThickness / 2. + gibbet_position);
gGeoMan->GetVolume(layername)->AddNode(gibbet_1, l, gibbet_placement);
--
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