MCReweight Class Reference

#include <MCReweight.h>

List of all members.

Public Member Functions
	~MCReweight ()
void	AddWeightCalculator (WeightCalculator *)
void	ClearWeightCalculators ()
void	ResetAllReweightConfigs ()
int	NumWeightCalcAdded ()
void	SetStandardConfig (Registry *stdconfig)
Registry *	GetStandardConfig ()
double	ComputeWeight (Registry *event, Registry *rwtconfig=0)
double	ComputeWeight (MCEventInfo *event, NuParent *parent=0, Registry *rwtconfig=0)
void	PrintReweightConfig (ostream &)
Static Public Member Functions
static MCReweight &	Instance ()
Protected Member Functions
	MCReweight ()
Private Attributes
std::vector< WeightCalculator * >	fWeightCalculators
Registry	fStandardConfig
Static Private Attributes
static MCReweight *	fgInstance = 0
Friends
struct	Cleaner
Classes
struct	Cleaner

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Detailed Description

Definition at line 9 of file MCReweight.h.

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Constructor & Destructor Documentation

MCReweight::MCReweight

(

)

[protected]

Definition at line 12 of file MCReweight.cxx.

References fWeightCalculators.

Referenced by Instance().

{
  fWeightCalculators.clear();    
}

MCReweight::~MCReweight

(

)

Definition at line 18 of file MCReweight.cxx.

References Msg::kInfo, and MSG.

{
  MSG("MCReweight",Msg::kInfo) << "Closing down MCReweight object" 
                               << endl;
}

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Member Function Documentation

void MCReweight::AddWeightCalculator

(

WeightCalculator *

)

Definition at line 72 of file MCReweight.cxx.

References fStandardConfig, fWeightCalculators, WeightCalculator::GetName(), Msg::kError, MSG, and WeightCalculator::SetStandardConfig().

Referenced by add_neugen_weight_calculator(), NuZBeamReweight::AddNeugenWeightCalculator(), SKZPWeightCalculator::Config(), NuSystematic::NeugenXSecShift(), and MiniPlotMaker::SetSystematic().

                                                        {

  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  while(beg!=end){
    if((*beg)->GetName()==wc->GetName()){
      MSG("MCReweight", Msg::kError) 
        << "Attempting to add " << wc->GetName() << " more than once! " 
        << "This is not a good idea, so not doing it."
        << endl;
      return;
    }
    beg++;
  }
  wc->SetStandardConfig(&fStandardConfig);
  fWeightCalculators.push_back(wc);
  
}

void MCReweight::ClearWeightCalculators

(

)

Definition at line 92 of file MCReweight.cxx.

References fWeightCalculators.

                                       {
  
  fWeightCalculators.clear();
  
}

double MCReweight::ComputeWeight	(	MCEventInfo *	event,
		NuParent *	parent = 0,
		Registry *	rwtconfig = 0
	)

Definition at line 57 of file MCReweight.cxx.

References fWeightCalculators.

                                                     {
  
  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  double totalWeight = 1;
  while(beg!=end) {
    (*beg)->SetReweightConfig(rwtconfig);
    totalWeight *= (*beg)->GetWeight(event,parent);
    beg++;
  }
  return totalWeight;
}

double MCReweight::ComputeWeight	(	Registry *	event,
		Registry *	rwtconfig = 0
	)

Definition at line 43 of file MCReweight.cxx.

References fWeightCalculators.

Referenced by NueXsecWeightAna::Analyze(), NuZBeamReweight::CalcGeneratorReweight(), MadAnalysis::Do2DFitNearFar(), NueSystematic::DoNeugenCalc(), NCEventInfo::FindNeugenWeight(), SKZPWeightCalculator::GetDetWeight(), MiniPlotMaker::GetReweight(), PANAnalysis::MakeReweightTree(), NuSystematic::NeugenXSecShift(), and NueReweight::Reco().

                                                                    {
  
  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  double totalWeight = 1;
  while(beg!=end) {
    (*beg)->SetReweightConfig(rwtconfig);
    totalWeight *= (*beg)->GetWeight(event);
    beg++;
  }
  return totalWeight;
}

Registry* MCReweight::GetStandardConfig

(

)

[inline]

Definition at line 44 of file MCReweight.h.

References fStandardConfig.

{return &fStandardConfig;}

MCReweight & MCReweight::Instance

(

)

[static]

Definition at line 25 of file MCReweight.cxx.

References fgInstance, Msg::kError, MCReweight(), MSG, and MCReweight::Cleaner::UseMe().

Referenced by add_neugen_weight_calculator(), NuZBeamReweight::AddNeugenWeightCalculator(), NuZBeamReweight::CalcGeneratorReweight(), MadAnalysis::Do2DFitNearFar(), NueSystematic::DoNeugenCalc(), NCEventInfo::FindNeugenWeight(), PANAnalysis::MakeReweightTree(), NuSystematic::NeugenXSecShift(), NueModule::NueModule(), MiniPlotMaker::SetSystematic(), and SKZPWeightCalculator::SKZPWeightCalculator().

{
  static Cleaner cleaner;
  
  //all copied from Calibrator package...
  if (!fgInstance) {
    cleaner.UseMe();           // dummy call to quiet compiler warnings
    fgInstance = new MCReweight();
    if(!fgInstance){
      MSG("MCReweight", Msg::kError)
        << "No MCReweight Instance - fatal." << endl;
      assert(fgInstance); // Kill job is there is no instance
    }    
  }
  return *fgInstance;
}

int MCReweight::NumWeightCalcAdded

(

)

[inline]

Definition at line 41 of file MCReweight.h.

References fWeightCalculators.

{return fWeightCalculators.size();}

void MCReweight::PrintReweightConfig

(

ostream &

)

Definition at line 121 of file MCReweight.cxx.

References fWeightCalculators.

                                                     {
  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  while(beg!=end){
    (*beg)->PrintReweightConfig(stream);
    beg++;
  }
}

void MCReweight::ResetAllReweightConfigs

(

)

Definition at line 99 of file MCReweight.cxx.

References fWeightCalculators.

Referenced by NCEventInfo::FindNeugenWeight(), and NuSystematic::NeugenXSecShift().

                                         {
  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  while(beg!=end){
    (*beg)->ReweightConfigReset();
    beg++;
  }
}

void MCReweight::SetStandardConfig

(

Registry *

stdconfig

)

Definition at line 109 of file MCReweight.cxx.

References fStandardConfig, and fWeightCalculators.

                                                   {
  if(!config) return;
  fStandardConfig = *config;
  std::vector<WeightCalculator*>::iterator beg = fWeightCalculators.begin();
  std::vector<WeightCalculator*>::iterator end = fWeightCalculators.end();
  while(beg!=end){
    (*beg)->SetStandardConfig(&fStandardConfig);
    beg++;
  } 
}

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Friends And Related Function Documentation

friend struct Cleaner [friend]

Definition at line 27 of file MCReweight.h.

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Member Data Documentation

MCReweight * MCReweight::fgInstance = 0 [static, private]

Definition at line 28 of file MCReweight.h.

Referenced by Instance(), and MCReweight::Cleaner::~Cleaner().

Registry MCReweight::fStandardConfig [private]

Definition at line 15 of file MCReweight.h.

Referenced by AddWeightCalculator(), GetStandardConfig(), and SetStandardConfig().

std::vector<WeightCalculator*> MCReweight::fWeightCalculators [private]

Definition at line 14 of file MCReweight.h.

Referenced by AddWeightCalculator(), ClearWeightCalculators(), ComputeWeight(), MCReweight(), NumWeightCalcAdded(), PrintReweightConfig(), ResetAllReweightConfigs(), and SetStandardConfig().

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

• MCReweight.h
• MCReweight.cxx

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