sim::PartToHitTable Class Reference

#include <PartToHitTable.h>

List of all members.

Public Types
typedef std::vector< const FLSHit * >	HitList
Public Member Functions
	PartToHitTable (const ParticleList &plist, const FLSHitList &hitlist)
const HitList &	operator[] (unsigned int i) const
Private Attributes
std::vector< HitList >	fHitLists
	Table of hits by particle index.

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Detailed Description

Build a table which connects a particle to the MC hits it produced

Definition at line 20 of file PartToHitTable.h.

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Member Typedef Documentation

typedef std::vector<const FLSHit*> sim::PartToHitTable::HitList

Definition at line 25 of file PartToHitTable.h.

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Constructor & Destructor Documentation

PartToHitTable::PartToHitTable (  const ParticleList &  plist, const FLSHitList &  hitlist )

Definition at line 8 of file PartToHitTable.cxx. References fHitLists, sim::FLSHitList::fHits, and sim::ParticleList::fParticles. 00009 : 00010 fHitLists(plist.fParticles.size()) 00011 { 00012 unsigned register int i; 00013 // 00014 // The sizes can be large, so try to do this as efficiently as 00015 // possible. The following makes only two passes over the lists 00016 // 00017 // First build a look up table to map trackIds to an index inside 00018 // the particle list 00019 std::map<int,int> trk2indx; 00020 for (i=0; i<plist.fParticles.size(); ++i) { 00021 trk2indx[plist.fParticles[i].fTrackId] = i; 00022 } 00023 00024 // Now, use that map to build the lists 00025 for (i=0; i<hitlist.fHits.size(); ++i) { 00026 int indx = trk2indx[hitlist.fHits[i].fTrackId]; 00027 fHitLists[indx].push_back(&hitlist.fHits[i]); 00028 } 00029 }

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Member Function Documentation

const PartToHitTable::HitList & PartToHitTable::operator[] (  unsigned int  i  )  const

Return the vector of hits for the particle who's index is i Parameters: i  : Index of particle in orignial ParticleList Exceptions: :  Assert that the index i is in range Definition at line 41 of file PartToHitTable.cxx. References fHitLists. { assert(i<fHitLists.size()); return fHitLists[i]; }

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Member Data Documentation

std::vector<HitList> sim::PartToHitTable::fHitLists [private]

Table of hits by particle index. Definition at line 30 of file PartToHitTable.h. Referenced by operator[](), and PartToHitTable().

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

• PartToHitTable.h
• PartToHitTable.cxx

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