From 5fe3c09fa230d867ae5257721a05d230646587bf Mon Sep 17 00:00:00 2001
From: ddobrigk <david.dobrigkeit.chinellato@cern.ch>
Date: Tue, 31 Dec 2024 14:48:31 -0300
Subject: [PATCH] [Common] Change track propagator to use timestamp from data
 (#9166)

Co-authored-by: ALICE Builder <alibuild@users.noreply.github.com>
---
 Common/LegacyDataQA/tpcpidqa.cxx                      | 2 +-
 Common/TableProducer/Converters/run2TinyToFullPID.cxx | 3 ++-
 Common/TableProducer/trackPropagation.cxx             | 6 +++++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Common/LegacyDataQA/tpcpidqa.cxx b/Common/LegacyDataQA/tpcpidqa.cxx
index 7f7b9cef360..c60441a45d3 100644
--- a/Common/LegacyDataQA/tpcpidqa.cxx
+++ b/Common/LegacyDataQA/tpcpidqa.cxx
@@ -70,7 +70,7 @@ struct TpcPidQa {
     mEnabledTables.resize(9, 0);
 
     for (int i = 0; i < nTables; i++) {
-      int f = enabledTables->get(tableNames[i].c_str(), "Enable");
+      int f = enabledTables->get(tableNames[i].c_str(), "enable");
       if (f == 1) {
         mEnabledTables[i] = 1;
         histos.add(fmt::format("hNSigmaVsPTot{}", tableNames[i]).c_str(), "", kTH2F, {axisMomentum, axisNSigma});
diff --git a/Common/TableProducer/Converters/run2TinyToFullPID.cxx b/Common/TableProducer/Converters/run2TinyToFullPID.cxx
index 6ab17c85a52..23b6c5a8cbf 100644
--- a/Common/TableProducer/Converters/run2TinyToFullPID.cxx
+++ b/Common/TableProducer/Converters/run2TinyToFullPID.cxx
@@ -73,7 +73,8 @@ struct Run2TinyToFullPID {
   void init(InitContext& context)
   {
     for (int i = 0; i < nTables; i++) {
-      int f = enabledTables->get(tableNames[i].c_str(), "Enable");
+      LOGF(info, "test %i", i);
+      int f = enabledTables->get(tableNames[i].c_str(), "enable");
       enableFlagIfTableRequired(context, tableNames[i], f);
       if (f == 1) {
         mEnabledTables.push_back(i);
diff --git a/Common/TableProducer/trackPropagation.cxx b/Common/TableProducer/trackPropagation.cxx
index 378a2ac06a2..9ebe757e4d5 100644
--- a/Common/TableProducer/trackPropagation.cxx
+++ b/Common/TableProducer/trackPropagation.cxx
@@ -110,7 +110,6 @@ struct TrackPropagation {
     ccdb->setCaching(true);
     ccdb->setLocalObjectValidityChecking();
 
-    lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(lutPath));
     // Histograms for track tuner
     AxisSpec axisBinsDCA = {600, -0.15f, 0.15f, "#it{dca}_{xy} (cm)"};
     registry.add("hDCAxyVsPtRec", "hDCAxyVsPtRec", kTH2F, {axisBinsDCA, axisPtQA});
@@ -145,6 +144,11 @@ struct TrackPropagation {
     if (runNumber == bc.runNumber()) {
       return;
     }
+
+    // load matLUT for this timestamp
+    LOG(info) << "Loading material look-up table for timestamp: " << bc.timestamp();
+    lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->getForTimeStamp<o2::base::MatLayerCylSet>(lutPath, bc.timestamp()));
+
     grpmag = ccdb->getForTimeStamp<o2::parameters::GRPMagField>(grpmagPath, bc.timestamp());
     LOG(info) << "Setting magnetic field to current " << grpmag->getL3Current() << " A for run " << bc.runNumber() << " from its GRPMagField CCDB object";
     o2::base::Propagator::initFieldFromGRP(grpmag);