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AsciiNeutronReader Class Reference

This reads patterns of neutron hits in muon chambers from an ASCII database, so they can be superimposed onto signal events. More...

#include <SimMuon/Neutron/src/AsciiNeutronReader.h>

Inheritance diagram for AsciiNeutronReader:

List of all members.

Public Member Functions
	AsciiNeutronReader (std::string fileNameBase)
virtual void	readNextEvent (int chamberType, edm::PSimHitContainer &result)
Private Member Functions
int	read_nhits (std::ifstream &fin, int chamberType)
void	resetStreampos (std::ifstream &fin, int chamberType)
Private Attributes
std::string	theFileNameBase
std::vector< std::streampos >	theStreamPos

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Detailed Description

This reads patterns of neutron hits in muon chambers from an ASCII database, so they can be superimposed onto signal events.

It reads the events sequentially, and loops back to the beginning when it reaches EOF

Definition at line 17 of file AsciiNeutronReader.h.

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Constructor & Destructor Documentation

AsciiNeutronReader::AsciiNeutronReader

(

std::string

fileNameBase

)

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Member Function Documentation

int AsciiNeutronReader::read_nhits	(	std::ifstream &	fin,
		int	chamberType
	)			[private]

Referenced by readNextEvent().

void AsciiNeutronReader::readNextEvent	(	int	chamberType,
		edm::PSimHitContainer &	result
	)			[virtual]

Implements NeutronReader.

Definition at line 18 of file AsciiNeutronReader.cc.

References Exception, cmsRelvalreport::exit, aod_PYTHIA_cfg::fileName, in, p, phi, read_nhits(), theFileNameBase, theStreamPos, theta, and track.

                                                                                    {
  stringstream fileName;
  fileName << theFileNameBase << chamberType;
  ifstream fin(fileName.str().c_str(), ios::in);
  if(!fin.is_open()) {
    throw cms::Exception("NeutronReader") 
      << "Muon neutron noise file missing " << fileName.str();
  }

  int nhits = read_nhits(fin, chamberType);
  for(int ihit = 0; ihit < nhits; ++ihit) {
    float entryX, entryY, entryZ, exitX, exitY, exitZ;
    float p, tof, eloss, theta, phi;
    int type, layer, track;

    fin >> entryX >> entryY >> entryZ
        >> exitX  >> exitY  >> exitZ
        >> p >> tof >> eloss >> type >> layer >> track >> theta >> phi;
    LocalPoint entry(entryX, entryY, entryZ);
    LocalPoint exit (exitX,  exitY,  exitZ);
    PSimHit phit(entry, exit, p, tof, eloss, type, layer, track, theta, phi);
    result.push_back(phit);
  }
  theStreamPos[chamberType] = fin.tellg();
}

void AsciiNeutronReader::resetStreampos	(	std::ifstream &	fin,
		int	chamberType
	)			[private]

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Member Data Documentation

std::string AsciiNeutronReader::theFileNameBase [private]

Definition at line 29 of file AsciiNeutronReader.h.

Referenced by readNextEvent().

std::vector<std::streampos> AsciiNeutronReader::theStreamPos [private]

Definition at line 30 of file AsciiNeutronReader.h.

Referenced by readNextEvent().

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

• SimMuon/Neutron/src/AsciiNeutronReader.h
• SimMuon/Neutron/src/AsciiNeutronReader.cc

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