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[PWGEM/Dilepton] update testPV.cxx for data #17516

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Merged
dsekihat merged 1 commit into from
Aug 19, 2026
+35 −23
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[PWGEM/Dilepton] update testPV.cxx for data #17516

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58 changes: 35 additions & 23 deletions PWGEM/Dilepton/Tasks/testPV.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)

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[name/o2-task] 

Specify task name only when it cannot be derived from the struct name. Only append to the default name.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -17,21 +17,21 @@
#include "Common/DataModel/EventSelection.h"

#include <Framework/AnalysisDataModel.h>
#include <Framework/AnalysisHelpers.h>
#include <Framework/AnalysisTask.h>
#include <Framework/Configurable.h>
#include <Framework/HistogramRegistry.h>
#include <Framework/HistogramSpec.h>
#include <Framework/InitContext.h>
#include <Framework/runDataProcessing.h>

#include <TH1.h>

#include <string>

using namespace o2;
using namespace o2::soa;
using namespace o2::framework;
using namespace o2::framework::expressions;
using namespace o2::constants::physics;

struct testPV {

Expand Down Expand Up @@ -99,12 +99,14 @@
fRegistry.add("Vertex/hSigmaY", "vertex #sigma_{Y} vs. N_{contrib};N_{contrib};#sigma_{Y} (#mum)", kTH2F, {{101, -0.5, 100.5}, {1000, 0, 100}}, false);
fRegistry.add("Vertex/hSigmaZ", "vertex #sigma_{Z} vs. N_{contrib};N_{contrib};#sigma_{Z} (#mum)", kTH2F, {{101, -0.5, 100.5}, {1000, 0, 100}}, false);

fRegistry.add("Vertex/hDeltaX", "vertex #DeltaX vs. N_{contrib};N_{contrib};#DeltaX = (X_{rec} #minus X_{gen})/#sigma_{X}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);
fRegistry.add("Vertex/hDeltaY", "vertex #DeltaY vs. N_{contrib};N_{contrib};#DeltaY = (Y_{rec} #minus Y_{gen})/#sigma_{Y}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);
fRegistry.add("Vertex/hDeltaZ", "vertex #DeltaZ vs. N_{contrib};N_{contrib};#DeltaZ = (Z_{rec} #minus Z_{gen})/#sigma_{Z}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);

fRegistry.add("Vertex/hCollisionTime", "vertex time;N_{contrib};collision time (ns)", kTH2F, {{101, -0.5, 100.5}, {500, -25, 25}}, false);
fRegistry.add("Vertex/hCollisionTimeRes", "vertex time resolution;N_{contrib};collision time resolution (ns)", kTH2F, {{101, -0.5, 100.5}, {250, 0, 25}}, false);

if (doprocessMC) {
fRegistry.add("Vertex/hDeltaX", "vertex #DeltaX vs. N_{contrib};N_{contrib};#DeltaX = (X_{rec} #minus X_{gen})/#sigma_{X}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);
fRegistry.add("Vertex/hDeltaY", "vertex #DeltaY vs. N_{contrib};N_{contrib};#DeltaY = (Y_{rec} #minus Y_{gen})/#sigma_{Y}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);
fRegistry.add("Vertex/hDeltaZ", "vertex #DeltaZ vs. N_{contrib};N_{contrib};#DeltaZ = (Z_{rec} #minus Z_{gen})/#sigma_{Z}", kTH2F, {{101, -0.5, 100.5}, {200, -10, 10}}, false);
}
}

template <typename TCollision>
Expand Down Expand Up @@ -137,8 +139,8 @@
return true;
}

template <typename TCollision, typename TMCCollision>
void fillVertexHistograms(TCollision const& collision, TMCCollision const& mcCollision)
template <typename TCollision>
void fillVertexHistograms(TCollision const& collision)
{
fRegistry.fill(HIST("Vertex/hZvtx"), collision.posZ());
fRegistry.fill(HIST("Vertex/hNContrib"), collision.numContrib());
Expand All @@ -149,37 +151,41 @@
fRegistry.fill(HIST("Vertex/hSigmaY"), collision.numContrib(), std::sqrt(collision.covYY()) * 1e+4); // convert cm to um
fRegistry.fill(HIST("Vertex/hSigmaZ"), collision.numContrib(), std::sqrt(collision.covZZ()) * 1e+4); // convert cm to um

fRegistry.fill(HIST("Vertex/hDeltaX"), collision.numContrib(), (collision.posX() - mcCollision.posX()) / std::sqrt(collision.covXX()));
fRegistry.fill(HIST("Vertex/hDeltaY"), collision.numContrib(), (collision.posY() - mcCollision.posY()) / std::sqrt(collision.covYY()));
fRegistry.fill(HIST("Vertex/hDeltaZ"), collision.numContrib(), (collision.posZ() - mcCollision.posZ()) / std::sqrt(collision.covZZ()));

fRegistry.fill(HIST("Vertex/hCollisionTime"), collision.numContrib(), collision.collisionTime());
fRegistry.fill(HIST("Vertex/hCollisionTimeRes"), collision.numContrib(), collision.collisionTimeRes());
}

template <typename TBCs, typename TCollisions, typename TMCCollisions, typename TMCParticles>
template <bool isMC, typename TBCs, typename TCollisions, typename TMCCollisions, typename TMCParticles>
void run(TBCs const&, TCollisions const& collisions, TMCCollisions const&, TMCParticles const&)
{
for (const auto& collision : collisions) {
if (!collision.has_mcCollision()) {
continue;
}
auto bc = collision.template bc_as<TBCs>();
initCCDB(bc);

auto mcCollision = collision.template mcCollision_as<aod::McCollisions>();
if (eventCut.cfgEventGeneratorId > -1 && mcCollision.getSubGeneratorId() != eventCut.cfgEventGeneratorId) {
continue;
if constexpr (isMC) {
if (!collision.has_mcCollision()) {
continue;
}
auto mcCollision = collision.template mcCollision_as<TMCCollisions>();
if (eventCut.cfgEventGeneratorId > -1 && mcCollision.getSubGeneratorId() != eventCut.cfgEventGeneratorId) {
continue;
}
}

fRegistry.fill(HIST("hCollisionCounter"), 1);

if (!isSelectedCollision(collision)) {
continue;
}
fRegistry.fill(HIST("hCollisionCounter"), 2);

fillVertexHistograms(collision, mcCollision);
fRegistry.fill(HIST("hCollisionCounter"), 2);
fillVertexHistograms(collision);
if constexpr (isMC) {
auto mcCollision = collision.template mcCollision_as<TMCCollisions>();
fRegistry.fill(HIST("Vertex/hDeltaX"), collision.numContrib(), (collision.posX() - mcCollision.posX()) / std::sqrt(collision.covXX()));
fRegistry.fill(HIST("Vertex/hDeltaY"), collision.numContrib(), (collision.posY() - mcCollision.posY()) / std::sqrt(collision.covYY()));
fRegistry.fill(HIST("Vertex/hDeltaZ"), collision.numContrib(), (collision.posZ() - mcCollision.posZ()) / std::sqrt(collision.covZZ()));
}

} // end of collision loop
}
Expand All @@ -190,16 +196,22 @@
Filter collisionFilter_evsel = eventCut.cfgZvtxMin < o2::aod::collision::posZ && o2::aod::collision::posZ < eventCut.cfgZvtxMax;
using FilteredMyCollisions = soa::Filtered<MyCollisions>;

void processData(FilteredMyCollisions const& collisions, MyBCs const& bcs)
{
run<false>(bcs, collisions, nullptr, nullptr);
}
PROCESS_SWITCH(testPV, processData, "processData", true);

void processMC(FilteredMyCollisions const& collisions, MyBCs const& bcs, aod::McCollisions const& mcCollisions, aod::McParticles const& mcParticles)
{
run(bcs, collisions, mcCollisions, mcParticles);
run<true>(bcs, collisions, mcCollisions, mcParticles);
}
PROCESS_SWITCH(testPV, processMC, "processMC", true);
PROCESS_SWITCH(testPV, processMC, "processMC", false);

void processDummy(MyCollisions const&) {}
PROCESS_SWITCH(testPV, processDummy, "processDummy", false);
};
WorkflowSpec defineDataProcessing(ConfigContext const& cfgc)
{
return WorkflowSpec{adaptAnalysisTask<testPV>(cfgc, TaskName{"test-pv"})};

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Device names test-pv and test-p-v generated from the specified task name test-pv and from the struct name testPV, respectively, differ in hyphenation. Consider fixing capitalisation of the struct name to TestPv and removing TaskName.
}
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