flashmatch::TimeCompatMatch Class Reference

#include <TimeCompatMatch.h>

Inheritance diagram for flashmatch::TimeCompatMatch:

Public Member Functions
	TimeCompatMatch (const std::string name="TimeCompatMatch")
	Default constructor. More...
	~TimeCompatMatch ()
	Default destructor. More...
bool	MatchCompatible (const QCluster_t &clus, const Flash_t &flash)
	CORE FUNCTION: determines if a flash and cluster are at all compatible (bool return) More...
Public Member Functions inherited from flashmatch::BaseProhibitAlgo
	BaseProhibitAlgo (const std::string name="noname")
	Default constructor. More...
virtual	~BaseProhibitAlgo ()
	Default destructor. More...
Public Member Functions inherited from flashmatch::BaseAlgorithm
	BaseAlgorithm (const Algorithm_t type, const std::string name)
	Default constructor. More...
	~BaseAlgorithm ()
	Default destructor. More...
void	Configure (const Config_t &pset)
	Function to accept configuration. More...
Algorithm_t	AlgorithmType () const
	Algorithm type. More...
const std::string &	AlgorithmName () const
	Algorithm name. More...
Public Member Functions inherited from flashmatch::LoggerFeature
	LoggerFeature (const std::string logger_name="LoggerFeature")
	Default constructor. More...
	LoggerFeature (const LoggerFeature &original)
	Default copy constructor. More...
virtual	~LoggerFeature ()
	Default destructor. More...
const flashmatch::logger &	logger () const
	Logger getter. More...
void	set_verbosity (::flashmatch::msg::Level_t level)
	Verbosity level. More...
const std::string &	name () const
	Name getter, defined in a logger instance attribute. More...

Protected Member Functions
void	_Configure_ (const Config_t &pset)

Private Attributes
double	_time_buffer
	Buffer time to allow some uncertainty [us]. More...

Detailed Description

Simple flash matching algorithm. Based on absolute time of flash and track w.r.t. trigger time, if the two objects are incompatible (because the time-difference is larger than a full drift window) the match is not allowed

Definition at line 44 of file TimeCompatMatch.h.

Constructor & Destructor Documentation

flashmatch::TimeCompatMatch::TimeCompatMatch

(

const std::string

name = "TimeCompatMatch"

)

Default constructor.

Definition at line 14 of file TimeCompatMatch.cxx.

    : BaseProhibitAlgo(name)
  {}

flashmatch::TimeCompatMatch::~TimeCompatMatch ( )

inline

Default destructor.

Definition at line 52 of file TimeCompatMatch.h.

{}

Member Function Documentation

void flashmatch::TimeCompatMatch::_Configure_ ( const Config_t &  pset )

protectedvirtual

Implements flashmatch::BaseAlgorithm.

Definition at line 18 of file TimeCompatMatch.cxx.

  {
    _time_buffer = pset.get<double>("TimeBuffer");
  }

bool flashmatch::TimeCompatMatch::MatchCompatible ( const QCluster_t &  clus, const Flash_t &  flash  )

virtual

CORE FUNCTION: determines if a flash and cluster are at all compatible (bool return)

Implements flashmatch::BaseProhibitAlgo.

Definition at line 23 of file TimeCompatMatch.cxx.

  {
    if(clus.empty()) {
      FLASH_INFO() << "QCluster_t is empty." << std::endl;
      return false;
    }

    // get time of flash
    auto flash_time = flash.time;

    // get time of cluster by looking at the range of x-positions
    // FIXME: 1036?
    double clus_x_min =  1036.; // cm
    double clus_x_max = -1036.;    // cm
    for (auto const& pt : clus){
      if (pt.x > clus_x_max) { clus_x_max = pt.x; }
      if (pt.x < clus_x_min) { clus_x_min = pt.x; }
    }

    FLASH_INFO() << "Cluster x min: " << clus_x_min << ", x max: " << clus_x_max << std::endl;

    // Earliest flash time => assume clus_x_max is @ detector X-max boundary
    #if USING_LARSOFT == 1
    double xmax = DetectorSpecs::GetME().ActiveVolume().Max()[0];
    double clus_t_min = (clus_x_max - xmax) / DetectorSpecs::GetME().DriftVelocity();
    double clus_t_max = clus_x_min / DetectorSpecs::GetME().DriftVelocity();
    #else
    double xmax = DetectorSpecs::GetME().ActiveVolume().Max()[0];
    double clus_t_min = (clus_x_max - xmax) / DetectorSpecs::GetME().DriftVelocity();
    double clus_t_max = clus_x_min / DetectorSpecs::GetME().DriftVelocity();
    #endif
    FLASH_INFO() << "Cluster xmax: " << xmax << ", clus_t_min: " << clus_t_min
                                             << ", clus_t_max: " << clus_t_max
                                             << ", flash_time: " << flash_time << std::endl;

    /*
    std::cout<< "Inspecting TPC object @ " << clus.time << std::endl;
    std::cout<< "xmin = " << clus_x_min << " ... xmax = " << clus_x_max << std::endl;
    std::cout<< "tmin = " << clus_t_min << " ... tmax = " << clus_t_max << std::endl;
    std::cout<< "Flash time @ " << flash_time << std::endl;
    */
    return ((clus_t_min - _time_buffer) < flash_time && flash_time < (clus_t_max + _time_buffer));

  }

Member Data Documentation

double flashmatch::TimeCompatMatch::_time_buffer

private

Buffer time to allow some uncertainty [us].

Definition at line 63 of file TimeCompatMatch.h.

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

• TimeCompatMatch.h
• TimeCompatMatch.cxx