MCalCoefficients Class Reference
[Modules]

Inheritance diagram for MCalCoefficients:

List of all members.

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Detailed Description

Module to calculate calibration coefficients.

Author:

L. Kogler

Computes calibration coefficients by fitting amplitude spectrum.

• Config example:

     module CalCoefficients
     verbosity = info
     enable = true
     Souce = Th
     Function = [0]+[1]*x
  	  StoreTemporaryData = tempdata.root
     OutputFilename = calibration.txt
     SeedFilename = oldcalibration.txt
     

• Parameters:
  • Source [string = Th] Which source used for calibration. Current valid options are "Th" and "Co". To add a set of calibration peaks, you can edit the function "InitCalPeaks".
  • Function [string = pol2] Specify the fit function to be used for calibration. Valid options are "pol2", "pol3", "logpol2", or any expression that can be used by TF1.
  • StoreTemporaryData [string = ""] Filename for temp data. Must end in ".root". If blank, data will not be stored.
  • OutputFilename [string = calibration.txt]: text file with calibration coefficients
  • SeedFilename [string = NODEFAULT] text file with approximate calibration coef.s which will be used to seed fit.
  • HeaterEnergies = [string = NODEFAULT] Source for approximate heater energies (a filename or "DB" for database, which is not yet implemented)
  • GetResolutionFromDB [bool = false]: Reads CORC value for heater resolution from database. This will help with the calibration of channels with poor resolution.

• Reads:
  • QRawEvent
  • QStab

• Writes
  • ASCII file

Public Member Functions
	MCalCoefficients (QSequence *s)
virtual void	Init ()
	Init method is called before event loop.
virtual QEvent *	Do (QEvent *ev)
	Doit method is called for each event, getting the event as argument.
virtual void	Done ()
	Done method is called after event loop.
Private Member Functions
void	InitCalPeaks (std::string source)
	Initializes the set of peaks to be used for calibration.
bool	AutoSeed (int channel, double resolution=-1, int iter=0, double binscale=1)
	Tries to find primary peaks in spectrum from scratch.
double	NearestNeighbor (double energy)
	Finds peak nearest to energy given.
Private Attributes
std::map< int, std::vector< double > >	fAmplitudes
	Map holding a vector of stabilized amplitudes for each channel.
std::map< int, double >	fMaxAmplitude
	Map maximum amplitude for each channel (based on heater energies).
double	fMaxEnergy
	Maximum and minimum of energy range containing calibration peaks.
double	fMinEnergy
std::set< int >	fRuns
	List of runs in calibration set.
std::vector< QCalPeak * >	fCalPeaks1
	Vector holding primary calibration peaks.
std::vector< QCalPeak * >	fCalPeaks2
	Vector holding secondary calibration peaks.
TF1 *	fCalFunction
	Calibration function.
double *	fCalFunctionInit
	Array of inital values for calibration function fit.
std::string	fTempFilename
	Name of file to store temporary data.
std::map< double, double >	fChisquares
	Stores chisquare values from AutoSeed function for diagnostic purposes.
std::map< double, double >	fReducedChisquares

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

• /usr/local/cuore/pkg/modcalibration/MCalCoefficients.hh
• /usr/local/cuore/pkg/modcalibration/MCalCoefficients.cc

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