From 52aca5d314a3b66a83f31cdaab0afc14baeab23e Mon Sep 17 00:00:00 2001
From: Chengdong Fu <fucd@ihep.ac.cn>
Date: Thu, 3 Dec 2020 10:25:25 +0800
Subject: [PATCH] change direction of shift of stave
---
Detector/DetCEPCv4/src/calorimeter/SEcal05_Barrel.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Detector/DetCEPCv4/src/calorimeter/SEcal05_Barrel.cpp b/Detector/DetCEPCv4/src/calorimeter/SEcal05_Barrel.cpp
index 11104445..ee42d87b 100644
--- a/Detector/DetCEPCv4/src/calorimeter/SEcal05_Barrel.cpp
+++ b/Detector/DetCEPCv4/src/calorimeter/SEcal05_Barrel.cpp
@@ -395,7 +395,7 @@ static Ref_t create_detector(Detector& theDetector, xml_h element, SensitiveDete
// end of slabs aligned to inner face of support plate in next stave (not the outer surface)
// double Y = (module_thickness/2.) / sin(M_PI/4.);
// double Y = (module_thickness_noSupport/2.) / sin(2.*M_PI/nsides);
- double Y = (module_thickness/2.) / sin(2.*M_PI/nsides);
+ double Y = -(module_thickness/2.) / sin(2.*M_PI/nsides);
// stave numbering from 1->8
// stave = 1 is in +ve x direction
@@ -422,7 +422,7 @@ static Ref_t create_detector(Detector& theDetector, xml_h element, SensitiveDete
for (int imodule = 0; imodule < Ecal_barrel_z_modules; imodule++) {
int module_id = imodule+1;
- Transform3D tr( RotationZYX( 0 , phirot, M_PI/2.), // magic rotation!
+ Transform3D tr( RotationZYX( M_PI , phirot, M_PI/2.), // magic rotation!
Translation3D(
( X*cos(phirot2)-Y*sin(phirot2) ) ,
( X*sin(phirot2)+Y*cos(phirot2) ) ,
--
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