reco_tool::BaselinedGausFitCache Class Reference

Inheritance diagram for reco_tool::BaselinedGausFitCache:

Public Member Functions
	BaselinedGausFitCache (std::string const &new_name="BaselinedGausFitCache")
	Constructor (see base class constructor). 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...

Protected Member Functions
virtual TF1 *	CreateFunction (size_t nFunc) const

Protected Attributes
std::string	name
	name of the cache More...
std::vector< TF1 * >	funcs

Detailed Description

Customized function cache for Gaussians with a baseline.

The baseline parameter is always the last one.

Definition at line 27 of file PeakFitterGaussian_tool.cc.

Constructor & Destructor Documentation

reco_tool::BaselinedGausFitCache::BaselinedGausFitCache ( std::string const &  new_name = "BaselinedGausFitCache" )

inline

Constructor (see base class constructor).

Definition at line 31 of file PeakFitterGaussian_tool.cc.

      : hit::GausFitCache(new_name)
    {}

Member Function Documentation

virtual TF1* reco_tool::BaselinedGausFitCache::CreateFunction ( size_t  nFunc ) const

inlineprotectedvirtual

Creates and returns the function with specified number of Gaussians.

The formula is gaus(0) + gaus(3) + ... + gaus(3*(nFunc-1)) + [nFunc*3].

Reimplemented from hit::GausFitCache.

Definition at line 39 of file PeakFitterGaussian_tool.cc.

References hit::GausFitCache::FunctionName(), and util::to_string().

    {
      // add the Gaussians first
      std::string formula;
      std::size_t iGaus = 0;
      while (iGaus < nFunc)
        formula += "gaus(" + std::to_string(3 * (iGaus++)) + ") + ";
      formula += "[" + std::to_string(3 * nFunc) + "]";

      std::string const func_name = FunctionName(nFunc);
      auto* pF = new TF1(func_name.c_str(), formula.c_str());
      pF->SetParName(iGaus * 3, "baseline");
      return pF;
    } // CreateFunction()

std::string hit::GausFitCache::FunctionName ( size_t  nFunc ) const

virtualinherited

Returns a name for the function with nFunc base functions.

Definition at line 83 of file GausFitCache.cxx.

References hit::GausFitCache::name.

Referenced by hit::details::CompiledGausFitCacheBaseStruct::AppendFunction(), CreateFunction(), hit::GausFitCache::CreateFunction(), hit::details::CompiledGausFitCacheBaseStruct::InitializeFuncSumVector< NFunc, Func >::fill(), hit::details::CompiledGausFitCacheBaseStruct::InitializeFuncSumVector< 0U, Func >::fill(), and hit::GausFitCache::GetName().

  {
    std::ostringstream sstr;
    sstr << name << "_" << nFunc;
    return sstr.str();
  } // GausFitCache::FunctionName()

TF1 * hit::GausFitCache::Get ( size_t  nFunc )

virtualinherited

Returns a function sum of nFunc base functions.

Parameters

nGaus

the number of base functions in the function

Returns

a pointer to a TF1 with the required characteristics

The returned function must not be deleted at any time!

This implementation returns a function sum of nFunc Gaussians. The parameters are sorted by Gaussian: first normalization (not the area, but the coefficient), first mean, first sigma, second normalization etc.

Definition at line 44 of file GausFitCache.cxx.

References hit::GausFitCache::CreateFunction(), and hit::GausFitCache::funcs.

Referenced by reco_tool::PeakFitterGaussian::findPeakParameters(), hit::GausFitCache::GetClone(), and hit::GausFitCache::GetName().

  {

    // expand the list if needed
    if (nFunc >= funcs.size()) funcs.resize(nFunc + 1, nullptr);

    // get the pointer we need...
    TF1*& pFunc = funcs[nFunc];

    if (!pFunc) pFunc = CreateFunction(nFunc);

    return pFunc;
  } // GausFitCache::Get()

TF1 * hit::GausFitCache::GetClone ( size_t  nGaus )

virtualinherited

Returns a new function sum of nFunc base functions (caller needs to set limits and parameters)

Reimplemented in hit::details::CompiledGausFitCacheBaseStruct.

Definition at line 59 of file GausFitCache.cxx.

References hit::GausFitCache::Get().

Referenced by hit::GausFitCache::GetName().

  {
    return static_cast<TF1*>(Get(nFunc)->Clone());
  }

std::string hit::GausFitCache::GetName ( ) const

inlineinherited

Return the name of this cache.

Definition at line 54 of file GausFitCache.h.

References hit::GausFitCache::FunctionName(), hit::GausFitCache::Get(), hit::GausFitCache::GetClone(), and hit::GausFitCache::name.

{ return name; }

Member Data Documentation

std::vector<TF1*> hit::GausFitCache::funcs

protectedinherited

Definition at line 80 of file GausFitCache.h.

Referenced by hit::details::CompiledGausFitCacheBaseStruct::AppendFunction(), hit::details::CompiledGausFitCacheBaseStruct::InitializeFuncSumVector< NFunc, Func >::fill(), hit::details::CompiledGausFitCacheBaseStruct::InitializeFuncSumVector< 0U, Func >::fill(), hit::GausFitCache::Get(), hit::details::CompiledGausFitCacheBaseStruct::MaxGaussians(), and hit::GausFitCache::~GausFitCache().

std::string hit::GausFitCache::name

protectedinherited

name of the cache

Gaussian sum functions; n-th element is sum of n base functions

Definition at line 77 of file GausFitCache.h.

Referenced by hit::details::CompiledGausFitCacheBaseStruct::CannotCreateFunction(), hit::GausFitCache::FunctionName(), and hit::GausFitCache::GetName().

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

• larreco/v09_25_00/source/larreco/HitFinder/HitFinderTools/PeakFitterGaussian_tool.cc