From db36f5fc2b500fad724b6f233d75f933f194ea33 Mon Sep 17 00:00:00 2001
From: Felix Schlepper <felix.schlepper@cern.ch>
Date: Tue, 8 Apr 2025 10:34:27 +0200
Subject: [PATCH] ITS3: fix tracking initialisation

Signed-off-by: Felix Schlepper <felix.schlepper@cern.ch>
---
 .../ITS3/reconstruction/src/TrackingInterface.cxx     | 11 +++++++++++
 Detectors/Upgrades/ITS3/workflow/src/TrackerSpec.cxx  |  1 -
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Detectors/Upgrades/ITS3/reconstruction/src/TrackingInterface.cxx b/Detectors/Upgrades/ITS3/reconstruction/src/TrackingInterface.cxx
index 10c6b9265a8bb..afb276e956e76 100644
--- a/Detectors/Upgrades/ITS3/reconstruction/src/TrackingInterface.cxx
+++ b/Detectors/Upgrades/ITS3/reconstruction/src/TrackingInterface.cxx
@@ -14,6 +14,7 @@
 #include "ITSBase/GeometryTGeo.h"
 #include "ITSMFTBase/DPLAlpideParam.h"
 #include "DetectorsBase/GRPGeomHelper.h"
+#include "Framework/DeviceSpec.h"
 
 namespace o2::its3
 {
@@ -31,7 +32,17 @@ void ITS3TrackingInterface::updateTimeDependentParams(framework::ProcessingConte
     }
     auto geom = its::GeometryTGeo::Instance();
     geom->fillMatrixCache(o2::math_utils::bit2Mask(o2::math_utils::TransformType::T2L, o2::math_utils::TransformType::T2GRot, o2::math_utils::TransformType::T2G));
+    initialise();
     getConfiguration(pc);
+    if (pc.services().get<const o2::framework::DeviceSpec>().inputTimesliceId == 0) { // print settings only for the 1st pipeling
+      o2::its::VertexerParamConfig::Instance().printKeyValues();
+      o2::its::TrackerParamConfig::Instance().printKeyValues();
+      const auto& trParams = getTracker()->getParameters();
+      for (size_t it = 0; it < trParams.size(); it++) {
+        const auto& par = trParams[it];
+        LOGP(info, "recoIter#{} : {}", it, par.asString());
+      }
+    }
   }
 }
 
diff --git a/Detectors/Upgrades/ITS3/workflow/src/TrackerSpec.cxx b/Detectors/Upgrades/ITS3/workflow/src/TrackerSpec.cxx
index 90f94e625d6ea..5b710a3d11fef 100644
--- a/Detectors/Upgrades/ITS3/workflow/src/TrackerSpec.cxx
+++ b/Detectors/Upgrades/ITS3/workflow/src/TrackerSpec.cxx
@@ -67,7 +67,6 @@ void TrackerDPL::init(InitContext& ic)
   mITS3TrackingInterface.setTraitsFromProvider(mChainITS->GetITSVertexerTraits(),
                                                mChainITS->GetITSTrackerTraits(),
                                                mChainITS->GetITSTimeframe());
-  mITS3TrackingInterface.initialise();
 }
 
 void TrackerDPL::stop()