ViewCreatorDVROITool Class Reference

#include <ViewCreatorDVROITool.h>

Inheritance diagram for ViewCreatorDVROITool:

Collaboration diagram for ViewCreatorDVROITool:

Public Member Functions
	ViewCreatorDVROITool (const std::string &type, const std::string &name, const IInterface *parent)
virtual	~ViewCreatorDVROITool ()=default
virtual StatusCode	initialize () override
virtual StatusCode	attachROILinks (TrigCompositeUtils::DecisionContainer &decisions, const EventContext &ctx) const override
	Tool interface method. More...

Public Attributes
SG::WriteHandleKey< TrigRoiDescriptorCollection >	m_roisWriteHandleKey
Gaudi::Property< std::string >	m_featureLinkName
Gaudi::Property< double >	m_roiEtaWidth
Gaudi::Property< double >	m_roiPhiWidth
Gaudi::Property< double >	m_roiZWidth

Detailed Description

Creates a new (super)-ROI combining windows centred on HitDV seed jets passing eta/pt selection criteria, extracted from a single decision object (which would normally link the FSRoI).

Stores this new ROI in the output container, and links it to the Decision Object

The new EventView spawned by the parent EventViewCreatorAlgorithm of this tool will process in this new ROI.

This tool is mainly intended to create a view for fast tracking preselection operations, beginning from the jets used for pure calorimeter-based preselection.

Definition at line 27 of file ViewCreatorDVROITool.h.

Constructor & Destructor Documentation

ViewCreatorDVROITool()

ViewCreatorDVROITool::ViewCreatorDVROITool	(	const std::string &	type,
		const std::string &	name,
		const IInterface *	parent
	)

Definition at line 13 of file ViewCreatorDVROITool.cxx.

  : base_class(type, name, parent)
{}

~ViewCreatorDVROITool()

virtual ViewCreatorDVROITool::~ViewCreatorDVROITool ( )

virtualdefault

Member Function Documentation

attachROILinks()

StatusCode ViewCreatorDVROITool::attachROILinks ( TrigCompositeUtils::DecisionContainer &  decisions, const EventContext &  ctx  ) const

overridevirtual

Tool interface method.

Definition at line 27 of file ViewCreatorDVROITool.cxx.

{
   ATH_MSG_DEBUG("ViewCreatorDVROITool::attachROILinks");
   // ===================================================================================== //
   // ===================================================================================== //
   // Create output RoI collection
 
   SG::WriteHandle<TrigRoiDescriptorCollection> roisWriteHandle =  TrigCompositeUtils::createAndStoreNoAux(m_roisWriteHandleKey, ctx);
   // ===================================================================================== //
   ATH_MSG_DEBUG("Create output RoI collection");
 
   // Only expect one object in container
   if(decisions.size()!=1) {
      ATH_MSG_DEBUG("Did not find exactly one decision object in decision container containing " << decisions.size() << " decisions");
   }
 
   for (TrigCompositeUtils::Decision* outputDecision : decisions) {
 
      ATH_MSG_DEBUG("Loop over decisions");
 
      const std::vector< TrigCompositeUtils::LinkInfo<xAOD::TrigCompositeContainer> > dvSeedLinks = TrigCompositeUtils::findLinks< xAOD::TrigCompositeContainer >(outputDecision, TrigCompositeUtils::featureString(), TrigDefs::lastFeatureOfType);
 
      if (dvSeedLinks.size() != 1) {
         ATH_MSG_DEBUG("Did not find exactly one most-recent " << m_featureLinkName << " for Decision object index "
         << outputDecision->index() << ", found " << dvSeedLinks.size());
      }
 
      for (const auto& dvLink : dvSeedLinks) {
         // This is needed to merge the RoIs from each dv
         std::unique_ptr<TrigRoiDescriptor> superRoI = std::make_unique<TrigRoiDescriptor>();
         superRoI->setComposite(true);
         superRoI->manageConstituents(true);
 
         if(!dvLink.link.isValid()) {
            ATH_MSG_DEBUG("Received invalid hitDV link from decision object! " << m_featureLinkName << " : " << dvLink.link);
            continue;
         }
 
         ATH_MSG_DEBUG(" --- Find Link");
         const xAOD::TrigCompositeContainer* dvCont = static_cast<const xAOD::TrigCompositeContainer*> ( (*dvLink.link)->container() );
         ATH_MSG_DEBUG(" --- Found " << dvCont->size() << " presel DV seeds linked from decision object.");
         ATH_MSG_DEBUG("     ");
 
         static const SG::ConstAccessor<float> hitDV_seed_etaAcc("hitDV_seed_eta");
         static const SG::ConstAccessor<float> hitDV_seed_phiAcc("hitDV_seed_phi");
         for(const xAOD::TrigComposite* dv : *dvCont) {
            if ( !(hitDV_seed_etaAcc.isAvailable( *dv ) &&
                   hitDV_seed_etaAcc.isAvailable( *dv ) ) ) continue;
 
            float dvEta = hitDV_seed_etaAcc( *dv );
            float dvPhi = hitDV_seed_phiAcc( *dv );
 
            ATH_MSG_DEBUG( "DV seed eta = " << dvEta <<
                           " phi = " << dvPhi );
 
            // create ROIs
            ATH_MSG_DEBUG("Adding RoI to RoI container");
            ATH_MSG_DEBUG( "  ** Imposing Z constraint while building RoI" );
            double etaMinus = dvEta - m_roiEtaWidth;
            double etaPlus  = dvEta + m_roiEtaWidth;
 
            double phiMinus = CxxUtils::wrapToPi( dvPhi - m_roiPhiWidth );
            double phiPlus  = CxxUtils::wrapToPi( dvPhi + m_roiPhiWidth );
 
            // Should retrieve beamspot offset from somewhere
            double zMinus = -1. * m_roiZWidth;
            double zPlus  = m_roiZWidth;
 
            std::unique_ptr<TrigRoiDescriptor> newROI =
               std::make_unique<TrigRoiDescriptor>(   dvEta, etaMinus, etaPlus,
                                                      dvPhi, phiMinus, phiPlus,
                                                      0.,zMinus,zPlus );
 
            superRoI->push_back( newROI.release() );
         }
 
 
         roisWriteHandle->push_back(superRoI.release());
         const ElementLink< TrigRoiDescriptorCollection > roiEL = ElementLink< TrigRoiDescriptorCollection >( *roisWriteHandle, roisWriteHandle->size() - 1, ctx );
         outputDecision->setObjectLink( TrigCompositeUtils::roiString(), roiEL );
 
         ATH_MSG_DEBUG("PRINTING DECISION");
         ATH_MSG_DEBUG( *outputDecision );
      }
   }
 
   ATH_MSG_DEBUG("return StatusCode::SUCCESS");
   return StatusCode::SUCCESS;
}

initialize()

StatusCode ViewCreatorDVROITool::initialize ( )

overridevirtual

Definition at line 20 of file ViewCreatorDVROITool.cxx.

                                             {
   ATH_CHECK( m_roisWriteHandleKey.initialize() );
 
   return StatusCode::SUCCESS;
}

Member Data Documentation

m_featureLinkName

Gaudi::Property< std::string > ViewCreatorDVROITool::m_featureLinkName

Initial value:

{this,"FeatureLinkName","HitDVSeedLink",
      "The name of the decoration holding the list of jets used for preselection"}

Definition at line 45 of file ViewCreatorDVROITool.h.

m_roiEtaWidth

Gaudi::Property< double > ViewCreatorDVROITool::m_roiEtaWidth

Initial value:

{this,"RoIEtaWidth",0.4,
      "Extent of the ROI in eta from its centre"}

Definition at line 48 of file ViewCreatorDVROITool.h.

m_roiPhiWidth

Gaudi::Property< double > ViewCreatorDVROITool::m_roiPhiWidth

Initial value:

{this,"RoIPhiWidth",0.4,
      "Extent of the ROI in phi from its centre"}

Definition at line 51 of file ViewCreatorDVROITool.h.

m_roisWriteHandleKey

SG::WriteHandleKey< TrigRoiDescriptorCollection > ViewCreatorDVROITool::m_roisWriteHandleKey

Initial value:

{this,"RoisWriteHandleKey","",
      "Name of the ROI collection produced by this tool."}

Definition at line 42 of file ViewCreatorDVROITool.h.

m_roiZWidth

Gaudi::Property< double > ViewCreatorDVROITool::m_roiZWidth

Initial value:

{this,"RoIZWidth",1500.0,
      "Z Half Width in mm"}

Definition at line 55 of file ViewCreatorDVROITool.h.

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

• ViewCreatorDVROITool.h
• ViewCreatorDVROITool.cxx