lar_content::TrackParticleBuildingAlgorithm Class Reference

TrackParticleBuildingAlgorithm class. More...

#include "TrackParticleBuildingAlgorithm.h"

Inheritance diagram for lar_content::TrackParticleBuildingAlgorithm:

Public Member Functions
	TrackParticleBuildingAlgorithm ()
	Default constructor. More...

Protected Member Functions
virtual pandora::StatusCode	Run ()

Private Member Functions
pandora::StatusCode	ReadSettings (const pandora::TiXmlHandle xmlHandle)
void	CreatePfo (const pandora::ParticleFlowObject *const pInputPfo, const pandora::ParticleFlowObject *&pOutputPfo) const
	Create specialised Pfo from an generic input Pfo. More...

Private Attributes
unsigned int	m_slidingFitHalfWindow

Detailed Description

TrackParticleBuildingAlgorithm class.

Definition at line 21 of file TrackParticleBuildingAlgorithm.h.

Constructor & Destructor Documentation

lar_content::TrackParticleBuildingAlgorithm::TrackParticleBuildingAlgorithm

(

)

Default constructor.

Definition at line 25 of file TrackParticleBuildingAlgorithm.cc.

                                                               :
    m_slidingFitHalfWindow(20)
{
}

Member Function Documentation

void lar_content::TrackParticleBuildingAlgorithm::CreatePfo ( const pandora::ParticleFlowObject *const  pInputPfo, const pandora::ParticleFlowObject *&  pOutputPfo  ) const

privatevirtual

Create specialised Pfo from an generic input Pfo.

Parameters

pInputPfo	the address of the input Pfo
pOutputPfo	the address of the output Pfo

Implements lar_content::CustomParticleCreationAlgorithm.

Definition at line 32 of file TrackParticleBuildingAlgorithm.cc.

References util::begin(), lar_content::LArPfoHelper::GetSlidingFitTrajectory(), lar_content::LArPfoHelper::GetVertex(), lar_content::LArTrackPfo::GetVertexDirection(), lar_content::LArTrackPfo::GetVertexPosition(), lar_content::LArPfoHelper::IsFinalState(), lar_content::LArPfoHelper::IsNeutrino(), lar_content::LArPfoHelper::IsNeutrinoFinalState(), lar_content::LArPfoHelper::IsTrack(), m_slidingFitHalfWindow, and lar_content::LArTrackPfoParameters::m_trackStateVector.

{
    try
    {
        // Need an input vertex to provide a track propagation direction
        const Vertex *const pInputVertex = LArPfoHelper::GetVertex(pInputPfo);

        // In cosmic mode, build tracks from all parent pfos, otherwise require that pfo is track-like
        if (LArPfoHelper::IsNeutrinoFinalState(pInputPfo))
        {
            if (!LArPfoHelper::IsTrack(pInputPfo))
                return;
        }
        else
        {
            if (!LArPfoHelper::IsFinalState(pInputPfo))
                return;

            if (LArPfoHelper::IsNeutrino(pInputPfo))
                return;
        }

        // ATTN If wire w pitches vary between TPCs, exception will be raised in initialisation of lar pseudolayer plugin
        const LArTPC *const pFirstLArTPC(this->GetPandora().GetGeometry()->GetLArTPCMap().begin()->second);
        const float layerPitch(pFirstLArTPC->GetWirePitchW());

        // Calculate sliding fit trajectory
        LArTrackStateVector trackStateVector;
        LArPfoHelper::GetSlidingFitTrajectory(pInputPfo, pInputVertex, m_slidingFitHalfWindow, layerPitch, trackStateVector);

        if (trackStateVector.empty())
            return;

        // Build track-like pfo from track trajectory (TODO Correct these placeholder parameters)
        LArTrackPfoFactory trackFactory;
        LArTrackPfoParameters pfoParameters;
        pfoParameters.m_particleId = (LArPfoHelper::IsTrack(pInputPfo) ? pInputPfo->GetParticleId() : MU_MINUS);
        pfoParameters.m_charge = PdgTable::GetParticleCharge(pfoParameters.m_particleId.Get());
        pfoParameters.m_mass = PdgTable::GetParticleMass(pfoParameters.m_particleId.Get());
        pfoParameters.m_energy = 0.f;
        pfoParameters.m_momentum = pInputPfo->GetMomentum();
        pfoParameters.m_propertiesToAdd = pInputPfo->GetPropertiesMap();
        pfoParameters.m_trackStateVector = trackStateVector;

        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ParticleFlowObject::Create(*this, pfoParameters, pOutputPfo, trackFactory));

        const LArTrackPfo *const pLArPfo = dynamic_cast<const LArTrackPfo *>(pOutputPfo);
        if (NULL == pLArPfo)
            throw StatusCodeException(STATUS_CODE_FAILURE);

        // Now update vertex and direction
        PandoraContentApi::ParticleFlowObject::Metadata pfodata;
        pfodata.m_momentum = pLArPfo->GetVertexDirection();
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ParticleFlowObject::AlterMetadata(*this, pOutputPfo, pfodata));

        const Vertex *pOutputVertex(NULL);

        PandoraContentApi::Vertex::Parameters vtxParameters;
        vtxParameters.m_position = pLArPfo->GetVertexPosition();
        vtxParameters.m_vertexLabel = pInputVertex->GetVertexLabel();
        vtxParameters.m_vertexType = pInputVertex->GetVertexType();

        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Vertex::Create(*this, vtxParameters, pOutputVertex));
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::AddToPfo(*this, pOutputPfo, pOutputVertex));
    }
    catch (StatusCodeException &statusCodeException)
    {
        if (STATUS_CODE_FAILURE == statusCodeException.GetStatusCode())
            throw statusCodeException;
    }
}

StatusCode lar_content::TrackParticleBuildingAlgorithm::ReadSettings ( const pandora::TiXmlHandle  xmlHandle )

privatevirtual

Reimplemented from lar_content::CustomParticleCreationAlgorithm.

Definition at line 106 of file TrackParticleBuildingAlgorithm.cc.

References m_slidingFitHalfWindow, and lar_content::CustomParticleCreationAlgorithm::ReadSettings().

{
    PANDORA_RETURN_RESULT_IF_AND_IF(
        STATUS_CODE_SUCCESS, STATUS_CODE_NOT_FOUND, !=, XmlHelper::ReadValue(xmlHandle, "SlidingFitHalfWindow", m_slidingFitHalfWindow));

    return CustomParticleCreationAlgorithm::ReadSettings(xmlHandle);
}

StatusCode lar_content::CustomParticleCreationAlgorithm::Run ( )

protectedvirtualinherited

Definition at line 20 of file CustomParticleCreationAlgorithm.cc.

{
    // Get input Pfo List
    const PfoList *pPfoList(NULL);

    if (STATUS_CODE_SUCCESS != PandoraContentApi::GetList(*this, m_pfoListName, pPfoList))
    {
        if (PandoraContentApi::GetSettings(*this)->ShouldDisplayAlgorithmInfo())
            std::cout << "CustomParticleCreationAlgorithm: cannot find pfo list " << m_pfoListName << std::endl;

        return STATUS_CODE_SUCCESS;
    }

    // Get input Vertex List
    const VertexList *pVertexList(NULL);

    if (STATUS_CODE_SUCCESS != PandoraContentApi::GetList(*this, m_vertexListName, pVertexList))
    {
        if (PandoraContentApi::GetSettings(*this)->ShouldDisplayAlgorithmInfo())
            std::cout << "CustomParticleCreationAlgorithm: cannot find vertex list " << m_vertexListName << std::endl;

        return STATUS_CODE_SUCCESS;
    }

    // Create temporary lists
    const PfoList *pTempPfoList = NULL;
    std::string tempPfoListName;
    PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::CreateTemporaryListAndSetCurrent(*this, pTempPfoList, tempPfoListName));

    const VertexList *pTempVertexList = NULL;
    std::string tempVertexListName;
    PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::CreateTemporaryListAndSetCurrent(*this, pTempVertexList, tempVertexListName));

    // Loop over input Pfos
    PfoList pfoList(pPfoList->begin(), pPfoList->end());
    VertexList vertexList(pVertexList->begin(), pVertexList->end());

    for (PfoList::const_iterator iter = pfoList.begin(), iterEnd = pfoList.end(); iter != iterEnd; ++iter)
    {
        const ParticleFlowObject *const pInputPfo = *iter;

        if (pInputPfo->GetVertexList().empty())
            continue;

        const Vertex *const pInputVertex = LArPfoHelper::GetVertex(pInputPfo);

        if (vertexList.end() == std::find(vertexList.begin(), vertexList.end(), pInputVertex))
            throw StatusCodeException(STATUS_CODE_FAILURE);

        // Build a new pfo and vertex from the old pfo
        const ParticleFlowObject *pOutputPfo(NULL);

        this->CreatePfo(pInputPfo, pOutputPfo);

        if (NULL == pOutputPfo)
            continue;

        if (pOutputPfo->GetVertexList().empty())
            throw StatusCodeException(STATUS_CODE_FAILURE);

        // Transfer clusters and hierarchy information to new pfo, and delete old pfo and vertex
        ClusterList clusterList(pInputPfo->GetClusterList().begin(), pInputPfo->GetClusterList().end());
        PfoList parentList(pInputPfo->GetParentPfoList().begin(), pInputPfo->GetParentPfoList().end());
        PfoList daughterList(pInputPfo->GetDaughterPfoList().begin(), pInputPfo->GetDaughterPfoList().end());

        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Delete<Pfo>(*this, pInputPfo, m_pfoListName));
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Delete<Vertex>(*this, pInputVertex, m_vertexListName));

        for (ClusterList::const_iterator cIter = clusterList.begin(), cIterEnd = clusterList.end(); cIter != cIterEnd; ++cIter)
        {
            PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::AddToPfo<Cluster>(*this, pOutputPfo, *cIter));
        }

        for (PfoList::const_iterator pIter = parentList.begin(), pIterEnd = parentList.end(); pIter != pIterEnd; ++pIter)
        {
            PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::SetPfoParentDaughterRelationship(*this, *pIter, pOutputPfo));
        }

        for (PfoList::const_iterator dIter = daughterList.begin(), dIterEnd = daughterList.end(); dIter != dIterEnd; ++dIter)
        {
            PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::SetPfoParentDaughterRelationship(*this, pOutputPfo, *dIter));
        }
    }

    if (!pTempPfoList->empty())
    {
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::SaveList<Pfo>(*this, m_pfoListName));
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ReplaceCurrentList<Pfo>(*this, m_pfoListName));
    }

    if (!pTempVertexList->empty())
    {
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::SaveList<Vertex>(*this, m_vertexListName));
        PANDORA_THROW_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ReplaceCurrentList<Vertex>(*this, m_vertexListName));
    }

    return STATUS_CODE_SUCCESS;
}

Member Data Documentation

unsigned int lar_content::TrackParticleBuildingAlgorithm::m_slidingFitHalfWindow

private

Definition at line 34 of file TrackParticleBuildingAlgorithm.h.

Referenced by CreatePfo(), and ReadSettings().

---

The documentation for this class was generated from the following files:

• larpandoracontent/v04_08_01/source/larpandoracontent/LArCustomParticles/TrackParticleBuildingAlgorithm.h
• larpandoracontent/v04_08_01/source/larpandoracontent/LArCustomParticles/TrackParticleBuildingAlgorithm.cc