From 23c44c0ef497193467ef7e71be45ae17d9433963 Mon Sep 17 00:00:00 2001
From: Chengdong Fu <fucd@ihep.ac.cn>
Date: Wed, 22 Jun 2022 10:00:27 +0800
Subject: [PATCH] add combineHits option

---
 Detector/DetCRD/src/Tracker/StraightDriftChamber_v01_geo.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Detector/DetCRD/src/Tracker/StraightDriftChamber_v01_geo.cpp b/Detector/DetCRD/src/Tracker/StraightDriftChamber_v01_geo.cpp
index af878c09..09cd2394 100644
--- a/Detector/DetCRD/src/Tracker/StraightDriftChamber_v01_geo.cpp
+++ b/Detector/DetCRD/src/Tracker/StraightDriftChamber_v01_geo.cpp
@@ -231,6 +231,10 @@ static dd4hep::Ref_t create_detector(Detector& description, xml_h e, SensitiveDe
     if(x_layer.isSensitive()) chamber_id++;
   }
 
+  if ( x_det.hasAttr(_U(combineHits)) ) {
+    tracker.setCombineHits(x_det.attr<bool>(_U(combineHits)),sens);
+  }
+
   FixedPadSizeTPCData* dcData = new FixedPadSizeTPCData;
   dcData->zHalf = halflength_chamber+thickness_side;
   dcData->rMin = rmin_chamber-thickness_inner;
-- 
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