VP1TruthVertexCollection::Imp::VertexHandle Class Reference

Collaboration diagram for VP1TruthVertexCollection::Imp::VertexHandle:

Public Member Functions
	VertexHandle (HepMC::ConstGenVertexPtr v, VP1TruthVertexCollection::Imp *dd)
	~VertexHandle ()
void	recheckCutStatus ()
void	updateShape ()
HepMC::ConstGenVertexPtr	vertex () const
SoLineSet *	line () const
double	quantityVal (const VertexCommonFlags::QUANTITY &q)

Private Member Functions
void	ensureAttach (SoSeparator *collsep)
void	ensureDetach (SoSeparator *collsep)
bool	cut ()

Private Attributes
bool	m_attached
HepMC::ConstGenVertexPtr	m_vertex
SoLineSet *	m_line
VP1TruthVertexCollection::Imp *	m_d

Detailed Description

Definition at line 67 of file VP1TruthVertexCollection.cxx.

Constructor & Destructor Documentation

VertexHandle()

VP1TruthVertexCollection::Imp::VertexHandle::VertexHandle ( HepMC::ConstGenVertexPtr v, VP1TruthVertexCollection::Imp * dd )

inline

Definition at line 69 of file VP1TruthVertexCollection.cxx.

: m_attached(false), m_vertex(v), m_line(0),m_d(dd) {}

~VertexHandle()

VP1TruthVertexCollection::Imp::VertexHandle::~VertexHandle ( )

inline

Definition at line 70 of file VP1TruthVertexCollection.cxx.

{ if (m_line) m_line->unref(); }

Member Function Documentation

cut()

bool VP1TruthVertexCollection::Imp::VertexHandle::cut ( )

inlineprivate

Definition at line 157 of file VP1TruthVertexCollection.cxx.

               {
 
      if (m_d->controller->truthCutPrimaryVertexOnly()&&this!=m_d->vertices.at(0))
    return false;
 
      if (!m_d->controller->truthCutAllowedEta().contains(m_vertex->position().eta()))
    return false;
 
      QPair<VertexCommonFlags::QUANTITY,VP1Interval> p = m_d->controller->truthCutQuantity();
      if (!p.second.isAllR()) {
    if (!p.second.contains(quantityVal(p.first)))
      return false;
      }
 
      //We handle phi cut last:
      double phi(m_vertex->position().phi());
      for (const VP1Interval& i : m_d->controller->truthCutAllowedPhi()) {
    if (i.contains(phi)||i.contains(phi+2*M_PI)||i.contains(phi-2*M_PI))
      return true;
      }
      return false;
    }

ensureAttach()

void VP1TruthVertexCollection::Imp::VertexHandle::ensureAttach ( SoSeparator * collsep )

inlineprivate

Definition at line 140 of file VP1TruthVertexCollection.cxx.

                                             {
      if (m_attached)
    return;
      m_attached = true;
      if (!m_line) {
    m_line = new SoLineSet;
    m_line->ref();
      }
      updateShape();
      collsep->addChild(m_line);
    }

ensureDetach()

void VP1TruthVertexCollection::Imp::VertexHandle::ensureDetach ( SoSeparator * collsep )

inlineprivate

Definition at line 151 of file VP1TruthVertexCollection.cxx.

                                             {
      if (!m_attached)
    return;
      m_attached = false;
      collsep->removeChild(m_line);
    }

line()

SoLineSet * VP1TruthVertexCollection::Imp::VertexHandle::line ( ) const

inline

Definition at line 113 of file VP1TruthVertexCollection.cxx.

{ return m_line; }

quantityVal()

double VP1TruthVertexCollection::Imp::VertexHandle::quantityVal ( const VertexCommonFlags::QUANTITY & q )

inline

Definition at line 115 of file VP1TruthVertexCollection.cxx.

                                                           {
      //Find total 4-momentum of incoming particles
      double px(0), py(0), pz(0), e(0);//HepMC::FourVector does NOT support operators + or += !!!!!!
#ifdef HEPMC3
      for (const auto& PartIn:  m_vertex->particles_in()){
#else
      HepMC::GenVertex::particles_in_const_iterator itPartIn,itPartInE(m_vertex->particles_in_const_end());
      for ( itPartIn = m_vertex->particles_in_const_begin();itPartIn!=itPartInE;++itPartIn) {
      auto PartIn=*itPartIn;
#endif
    px +=PartIn->momentum().px();
    py +=PartIn->momentum().py();
    pz +=PartIn->momentum().pz();
    e += PartIn->momentum().e();
      }
      const HepMC::FourVector mom(px,py,pz,e);
      switch(q) {
      case VertexCommonFlags::ENERGY: return e;
      case VertexCommonFlags::MOMENTUM: return m_d->mag(mom);
      case VertexCommonFlags::TRANSVERSE_MOM: return mom.perp();
      default: // VertexCommonFlags::MASS:
    return mom.m();
      }
    }

recheckCutStatus()

void VP1TruthVertexCollection::Imp::VertexHandle::recheckCutStatus ( )

inline

Definition at line 72 of file VP1TruthVertexCollection.cxx.

                            {
      bool cutval(cut());
      if (cutval!=m_attached) {
    if (cutval)
      ensureAttach(m_d->theclass->collSep());
    else
      ensureDetach(m_d->theclass->collSep());
      }
    }

updateShape()

void VP1TruthVertexCollection::Imp::VertexHandle::updateShape ( )

inline

Definition at line 81 of file VP1TruthVertexCollection.cxx.

                       {
      if (!m_line)
    return;
      if (!m_attached) {
    //invalidate...
      }
 
      SoVertexProperty *vertices = static_cast<SoVertexProperty *>(m_line->vertexProperty.getValue());
      if (!vertices) {
    vertices = new SoVertexProperty();
    m_line->numVertices.set1Value(0,2);
    m_line->numVertices.set1Value(1,2);
    m_line->numVertices.set1Value(2,2);
    m_line->vertexProperty = vertices;
      }
 
      QPair<VertexCommonFlags::QUANTITY,double> p = m_d->controller->truthCrossLength();
      double extent;
      if (p.second<0)
    extent = -p.second;
      else
    extent = p.second * quantityVal(p.first);
 
      double x(m_vertex->position().x()), y(m_vertex->position().y()), z(m_vertex->position().z());
      vertices->vertex.set1Value ( 0,x-extent, y, z );
      vertices->vertex.set1Value ( 1,x+extent, y,z );
      vertices->vertex.set1Value ( 2, x,y-extent, z);
      vertices->vertex.set1Value ( 3, x,y+extent, z );
      vertices->vertex.set1Value ( 4, x, y,z-extent );
      vertices->vertex.set1Value ( 5, x, y,z+extent );
    }

vertex()

HepMC::ConstGenVertexPtr VP1TruthVertexCollection::Imp::VertexHandle::vertex ( ) const

inline

Definition at line 112 of file VP1TruthVertexCollection.cxx.

{ return m_vertex; }

Member Data Documentation

m_attached

bool VP1TruthVertexCollection::Imp::VertexHandle::m_attached

private

Definition at line 179 of file VP1TruthVertexCollection.cxx.

m_d

VP1TruthVertexCollection::Imp* VP1TruthVertexCollection::Imp::VertexHandle::m_d

private

Definition at line 182 of file VP1TruthVertexCollection.cxx.

m_line

SoLineSet* VP1TruthVertexCollection::Imp::VertexHandle::m_line

private

Definition at line 181 of file VP1TruthVertexCollection.cxx.

m_vertex

HepMC::ConstGenVertexPtr VP1TruthVertexCollection::Imp::VertexHandle::m_vertex

private

Definition at line 180 of file VP1TruthVertexCollection.cxx.

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

• VP1TruthVertexCollection.cxx