From 093658320286ecf50106ff11ad9af7efc202e19a Mon Sep 17 00:00:00 2001
From: shahoian <ruben.shahoyan@cern.ch>
Date: Mon, 12 May 2025 15:04:30 +0200
Subject: [PATCH] add TPC chi2 to trackstudy output

---
 .../study/include/GlobalTrackingStudy/TrackInfoExt.h           | 3 ++-
 Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx   | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackInfoExt.h b/Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackInfoExt.h
index 935e57873bbd9..26eeea858d14b 100644
--- a/Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackInfoExt.h
+++ b/Detectors/GlobalTrackingWorkflow/study/include/GlobalTrackingStudy/TrackInfoExt.h
@@ -35,6 +35,7 @@ struct TrackInfoExt {
   float ttime = 0;
   float ttimeE = 0;
   float xmin = 0;
+  float chi2TPC = 0.f;
   float chi2ITSTPC = 0.f;
   float q2ptITS = 0.f;
   float q2ptTPC = 0.f;
@@ -56,7 +57,7 @@ struct TrackInfoExt {
   float getTPCInY0() const { return innerTPCPos0[1]; }
   float getTPCInZ0() const { return innerTPCPos0[2]; }
 
-  ClassDefNV(TrackInfoExt, 5);
+  ClassDefNV(TrackInfoExt, 6);
 };
 
 } // namespace dataformats
diff --git a/Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx b/Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx
index a74349bdeba15..a2bf6abd35fef 100644
--- a/Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx
+++ b/Detectors/GlobalTrackingWorkflow/study/src/TrackingStudy.cxx
@@ -503,6 +503,7 @@ void TrackingStudySpec::process(o2::globaltracking::RecoContainer& recoData)
               }
             }
             fillTPCClInfo(*tpcTr, trcExt, tsuse);
+            trcExt.chi2TPC = tpcTr->getChi2();
           }
           auto gidRefs = recoData.getSingleDetectorRefs(vid);
           if (gidRefs[GTrackID::ITS].isIndexSet()) {