TwoDTrackSplittingAlgorithm class. More...

#include "TwoDSlidingFitMultiSplitAlgorithm.h"

Inheritance diagram for lar_content::TwoDSlidingFitMultiSplitAlgorithm:

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

Protected Types
typedef std::unordered_map< const pandora::Cluster *, pandora::CartesianPointVector >	ClusterPositionMap

Protected Member Functions
virtual void	GetListOfCleanClusters (const pandora::ClusterList *const pClusterList, pandora::ClusterVector &clusterVector) const =0
	Populate cluster vector with subset of cluster list, containing clusters judged to be clean. More...

virtual void	FindBestSplitPositions (const TwoDSlidingFitResultMap &slidingFitResultMap, ClusterPositionMap &clusterSplittingMap) const =0
	Determine best split positions based on sliding fit result. More...

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

Private Member Functions
pandora::StatusCode	Run ()

void	BuildSlidingFitResultMap (const pandora::ClusterVector &clusterVector, const unsigned int halfWindowLayers, TwoDSlidingFitResultMap &slidingFitResultMap) const
	Build the map of sliding fit results. More...

pandora::StatusCode	SplitClusters (const TwoDSlidingFitResultMap &slidingFitResultMap, const ClusterPositionMap &clusterSplittingMap) const
	Split clusters. More...

pandora::StatusCode	SplitCluster (const TwoDSlidingFitResult &slidingFitResult, const pandora::CartesianPointVector &splitPositionList) const
	Split cluster. More...

Private Attributes
unsigned int	m_slidingFitHalfWindow

std::string	m_inputClusterList

Detailed Description

TwoDTrackSplittingAlgorithm class.

Definition at line 21 of file TwoDSlidingFitMultiSplitAlgorithm.h.

Member Typedef Documentation

typedef std::unordered_map<const pandora::Cluster*, pandora::CartesianPointVector> lar_content::TwoDSlidingFitMultiSplitAlgorithm::ClusterPositionMap

protected

Definition at line 30 of file TwoDSlidingFitMultiSplitAlgorithm.h.

Constructor & Destructor Documentation

lar_content::TwoDSlidingFitMultiSplitAlgorithm::TwoDSlidingFitMultiSplitAlgorithm ( )

Default constructor.

Definition at line 21 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

                                                                      :
     m_slidingFitHalfWindow(15),
     m_inputClusterList("")
 {
 }

Member Function Documentation

void lar_content::TwoDSlidingFitMultiSplitAlgorithm::BuildSlidingFitResultMap	(	const pandora::ClusterVector &	clusterVector,
		const unsigned int	halfWindowLayers,
		TwoDSlidingFitResultMap &	slidingFitResultMap
	)		const

private

Build the map of sliding fit results.

Parameters

clusterVector	the vector of selected clusters
halfWindowLayers	the half-window to use for the sliding fits
slidingFitResultMap	the sliding fit result map

Definition at line 74 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

References lar_content::LArGeometryHelper::GetWireZPitch().

Referenced by Run().

 {
     const float slidingFitPitch(LArGeometryHelper::GetWireZPitch(this->GetPandora()));
 
     for (ClusterVector::const_iterator iter = clusterVector.begin(), iterEnd = clusterVector.end(); iter != iterEnd; ++iter)
     {
         if (slidingFitResultMap.end() == slidingFitResultMap.find(*iter))
         {
             try
             {
                 const TwoDSlidingFitResult slidingFitResult(*iter, halfWindowLayers, slidingFitPitch);
 
                 if (!slidingFitResultMap.insert(TwoDSlidingFitResultMap::value_type(*iter, slidingFitResult)).second)
                     throw StatusCodeException(STATUS_CODE_FAILURE);
             }
             catch (StatusCodeException &statusCodeException)
             {
                 if (STATUS_CODE_FAILURE == statusCodeException.GetStatusCode())
                     throw statusCodeException;
             }
         }
     }
 }

virtual void lar_content::TwoDSlidingFitMultiSplitAlgorithm::FindBestSplitPositions	(	const TwoDSlidingFitResultMap &	slidingFitResultMap,
		ClusterPositionMap &	clusterSplittingMap
	)		const

protectedpure virtual

Determine best split positions based on sliding fit result.

Parameters

slidingFitResultMap	mapping from clusters to sliding fit results
clusterSplittingMap	mapping from clusters to split positions

Implemented in lar_content::OvershootSplittingAlgorithm.

Referenced by Run().

virtual void lar_content::TwoDSlidingFitMultiSplitAlgorithm::GetListOfCleanClusters	(	const pandora::ClusterList *const	pClusterList,
		pandora::ClusterVector &	clusterVector
	)		const

protectedpure virtual

Populate cluster vector with subset of cluster list, containing clusters judged to be clean.

Parameters

pClusterList	address of the cluster list
clusterVector	to receive the populated cluster vector

Implemented in lar_content::OvershootSplittingAlgorithm.

Referenced by Run().

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

protected

Definition at line 212 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

References m_inputClusterList, and m_slidingFitHalfWindow.

Referenced by lar_content::OvershootSplittingAlgorithm::ReadSettings().

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

StatusCode lar_content::TwoDSlidingFitMultiSplitAlgorithm::Run ( )

private

Definition at line 29 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

References BuildSlidingFitResultMap(), FindBestSplitPositions(), GetListOfCleanClusters(), m_inputClusterList, m_slidingFitHalfWindow, and SplitClusters().

 {
     std::string originalListName;
     PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentListName<Cluster>(*this, originalListName));
 
     if (!m_inputClusterList.empty())
     {
         const StatusCode statusCode(PandoraContentApi::ReplaceCurrentList<Cluster>(*this, m_inputClusterList));
 
         if (STATUS_CODE_NOT_FOUND == statusCode)
         {
             std::cout << "TwoDSlidingFitMultiSplitAlgorithm: cluster list not found " << m_inputClusterList << std::endl;
             return STATUS_CODE_SUCCESS;
         }
 
         if (STATUS_CODE_SUCCESS != statusCode)
             return statusCode;
     }
 
     const ClusterList *pClusterList = NULL;
     PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::GetCurrentList(*this, pClusterList));
 
     // Get ordered list of candidate clusters
     ClusterVector clusterVector;
     this->GetListOfCleanClusters(pClusterList, clusterVector);
 
     // Build a set of sliding fit results for clean clusters
     TwoDSlidingFitResultMap slidingFitResultMap;
     this->BuildSlidingFitResultMap(clusterVector, m_slidingFitHalfWindow, slidingFitResultMap);
 
     // Find best split positions for each cluster
     ClusterPositionMap clusterSplittingMap;
     this->FindBestSplitPositions(slidingFitResultMap, clusterSplittingMap);
 
     // Perform splits
     PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, this->SplitClusters(slidingFitResultMap, clusterSplittingMap));
 
     if (!m_inputClusterList.empty())
         PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::ReplaceCurrentList<Cluster>(*this, originalListName));
 
     return STATUS_CODE_SUCCESS;
 }

StatusCode lar_content::TwoDSlidingFitMultiSplitAlgorithm::SplitCluster	(	const TwoDSlidingFitResult &	slidingFitResult,
		const pandora::CartesianPointVector &	splitPositionList
	)		const

private

Split cluster.

Parameters

slidingFitResult	input sliding fit result
splitPositionList	vector of split positions

Definition at line 132 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

References f, lar_content::TwoDSlidingFitResult::GetCluster(), lar_content::TwoDSlidingFitResult::GetL(), lar_content::TwoDSlidingFitResult::GetLocalPosition(), and lar_content::TwoDSlidingFitResult::GetMaxLayer().

Referenced by SplitClusters().

 {
     const Cluster *const pCluster = slidingFitResult.GetCluster();
 
     // Get split positions for this cluster
     FloatVector displacementVector;
 
     for (CartesianPointVector::const_iterator pIter = splitPositionVector.begin(), pIterEnd = splitPositionVector.end();
         pIter != pIterEnd; ++pIter)
     {
         const CartesianVector &splitPosition = *pIter;
 
         float rL(0.f), rT(0.f);
         slidingFitResult.GetLocalPosition(splitPosition, rL, rT);
         displacementVector.push_back(rL);
     }
 
     const float bigL(2.f * slidingFitResult.GetL(slidingFitResult.GetMaxLayer()));
     displacementVector.push_back(-bigL);
     displacementVector.push_back(+bigL);
 
     std::sort(displacementVector.begin(), displacementVector.end());
 
     // Begin cluster fragmentation operations
     const ClusterList clusterList(1, pCluster);
     std::string clusterListToSave, clusterListToDelete;
 
     PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::InitializeFragmentation(*this, clusterList,
         clusterListToDelete, clusterListToSave));
 
     CaloHitList oldCaloHitList;
     pCluster->GetOrderedCaloHitList().FillCaloHitList(oldCaloHitList);
 
     bool foundPreviousL(false);
     float prevL(0.f);
 
     for (FloatVector::const_iterator fIter = displacementVector.begin(), fIterEnd = displacementVector.end(); fIter != fIterEnd; ++fIter)
     {
         const float nextL(*fIter);
 
         if (foundPreviousL)
         {
             // Select hits for new cluster
             CaloHitList newCaloHitList;
 
             for (CaloHitList::const_iterator hIter = oldCaloHitList.begin(), hIterEnd = oldCaloHitList.end(); hIter != hIterEnd; ++hIter)
             {
                 const CaloHit *const pCaloHit = *hIter;
 
                 float rL(0.f), rT(0.f);
                 slidingFitResult.GetLocalPosition(pCaloHit->GetPositionVector(), rL, rT);
 
                 if (rL >= prevL && rL < nextL)
                     newCaloHitList.push_back(pCaloHit);
             }
 
             if (newCaloHitList.empty())
                 continue;
 
             // Create new cluster
             PandoraContentApi::Cluster::Parameters newParameters;
             newParameters.m_caloHitList = newCaloHitList;
 
             const Cluster *pNewCluster(NULL);
             PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::Cluster::Create(*this, newParameters, pNewCluster));
         }
 
         prevL = nextL;
         foundPreviousL = true;
     }
 
     // End cluster fragmentation operations
     PANDORA_RETURN_RESULT_IF(STATUS_CODE_SUCCESS, !=, PandoraContentApi::EndFragmentation(*this, clusterListToSave, clusterListToDelete));
 
     return STATUS_CODE_SUCCESS;
 }

StatusCode lar_content::TwoDSlidingFitMultiSplitAlgorithm::SplitClusters	(	const TwoDSlidingFitResultMap &	slidingFitResultMap,
		const ClusterPositionMap &	clusterSplittingMap
	)		const

private

Split clusters.

Parameters

slidingFitResultMap	mapping from clusters to sliding fit results
clusterSplittingMap	mapping from clusters to split positions

Definition at line 101 of file TwoDSlidingFitMultiSplitAlgorithm.cc.

References lar_content::LArClusterHelper::SortByNHits(), and SplitCluster().

Referenced by Run().

 {
     ClusterList clusterList;
     for (const auto &mapEntry : clusterSplittingMap) clusterList.push_back(mapEntry.first);
     clusterList.sort(LArClusterHelper::SortByNHits);
 
     for (const Cluster *const pCluster : clusterList)
     {
         const CartesianPointVector &splitPositionVector(clusterSplittingMap.at(pCluster));
 
         if (splitPositionVector.empty())
             continue;
 
         TwoDSlidingFitResultMap::const_iterator sIter = slidingFitResultMap.find(pCluster);
         if (slidingFitResultMap.end() == sIter)
             throw StatusCodeException(STATUS_CODE_FAILURE);
 
         const TwoDSlidingFitResult &slidingFitResult = sIter->second;
 
         StatusCode statusCode(this->SplitCluster(slidingFitResult, splitPositionVector));
 
         if (STATUS_CODE_SUCCESS != statusCode)
             return statusCode;
     }
 
     return STATUS_CODE_SUCCESS;
 }

Member Data Documentation

std::string lar_content::TwoDSlidingFitMultiSplitAlgorithm::m_inputClusterList

private

Definition at line 80 of file TwoDSlidingFitMultiSplitAlgorithm.h.

Referenced by ReadSettings(), and Run().

unsigned int lar_content::TwoDSlidingFitMultiSplitAlgorithm::m_slidingFitHalfWindow

private

Definition at line 79 of file TwoDSlidingFitMultiSplitAlgorithm.h.

Referenced by ReadSettings(), and Run().

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

/cvmfs/larsoft.opensciencegrid.org/products/larpandoracontent/v03_14_03/source/larpandoracontent/LArTwoDReco/LArClusterSplitting/TwoDSlidingFitMultiSplitAlgorithm.h
/cvmfs/larsoft.opensciencegrid.org/products/larpandoracontent/v03_14_03/source/larpandoracontent/LArTwoDReco/LArClusterSplitting/TwoDSlidingFitMultiSplitAlgorithm.cc

Public Member Functions

Protected Types

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation