hit::ICARUSlongHitFitCache Class Reference

Customized function cache for ICARUS long hit shape. More...

Inheritance diagram for hit::ICARUSlongHitFitCache:

Public Member Functions
	ICARUSlongHitFitCache (std::string const &new_name="ICARUSlongHitFitCache")
	Constructor (see base class constructor). More...
Public Member Functions inherited from hit::GausFitCache
	GausFitCache (std::string new_name="GausFitCache")
	Constructor; optionally set the name of the repository. More...
virtual	~GausFitCache ()
	Destructor. More...
std::string	GetName () const
	Return the name of this cache. More...
virtual TF1 *	Get (size_t nFunc)
	Returns a function sum of nFunc base functions. More...
virtual TF1 *	GetClone (size_t nGaus)
virtual std::string	FunctionName (size_t nFunc) const
	Returns a name for the function with nFunc base functions. More...

Static Public Member Functions
static Double_t	fitlong (Double_t const *x, Double_t const *par)
	ICARUS hit shape. More...

Protected Member Functions
virtual TF1 *	CreateFunction (size_t nFunc) const
	Creates and returns the function with specified number of peaks. More...

Additional Inherited Members
Protected Attributes inherited from hit::GausFitCache
std::string	name
	name of the cache More...
std::vector< TF1 * >	funcs

Detailed Description

Customized function cache for ICARUS long hit shape.

Definition at line 95 of file ICARUSHitFinder_module.cc.

Constructor & Destructor Documentation

hit::ICARUSlongHitFitCache::ICARUSlongHitFitCache ( std::string const &  new_name = "ICARUSlongHitFitCache" )

inline

Constructor (see base class constructor).

Definition at line 99 of file ICARUSHitFinder_module.cc.

        : hit::GausFitCache(new_name)
        {}

Member Function Documentation

virtual TF1* hit::ICARUSlongHitFitCache::CreateFunction ( size_t  nFunc ) const

inlineprotectedvirtual

Creates and returns the function with specified number of peaks.

Reimplemented from hit::GausFitCache.

Definition at line 109 of file ICARUSHitFinder_module.cc.

          {
               unsigned int const nPeaks = nFunc;
               std::string const func_name = FunctionName(nFunc);
               auto* pF = new TF1(func_name.c_str(), fitlong, 0.0, 1.0, 1 + nFunc * 7);
               pF->SetParName(0, "NPeaks");
               pF->FixParameter(0, (double) nPeaks);
               return pF;
          } // CreateFunction()

Double_t hit::ICARUSlongHitFitCache::fitlong ( Double_t const *  x, Double_t const *  par  )

static

ICARUS hit shape.

Definition at line 1372 of file ICARUSHitFinder_module.cc.

    {
        auto const nPeaks = static_cast<std::size_t>(par[0]);
        Double_t fitval = 0.0;
        for(std::size_t jp = 0; jp < nPeaks; ++jp) {
            Double_t const* parj = par + (7 * jp);
            int const smax = std::floor(parj[6]);
            if (smax == 0) continue;
            double const neg_dxj = -(x[0] - parj[3]);
            fitval += (smax + parj[7] * (smax*(smax-1)/2))
              * (
                parj[1]+parj[2]*std::exp(neg_dxj/parj[4])
                / (1.0 + std::exp(neg_dxj/parj[5]))
              ) / (parj[6]);
        } // for
  return fitval;
    }

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

• ICARUSHitFinder_module.cc