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ZDCFitExpFermiLHCfPrePulse Class Reference

#include <ZDCFitWrapper.h>

Inheritance diagram for ZDCFitExpFermiLHCfPrePulse:
Collaboration diagram for ZDCFitExpFermiLHCfPrePulse:

Public Member Functions

 ZDCFitExpFermiLHCfPrePulse (const std::string &tag, float tmin, float tmax, float tau1, float tau2)
 ~ZDCFitExpFermiLHCfPrePulse ()
virtual void DoInitialize (float initialAmp, float initialT0, float ampMin, float ampMax) override
virtual void SetT0FitLimits (float tMin, float tMax) override
virtual void SetInitialPrePulse (float amp, float t0, float, bool) override
virtual void SetPrePulseT0Range (float tmin, float tmax) override
virtual void SetPostPulseT0Range (float, float, float) override
virtual void doConstrainFit () override
virtual void doUnconstrainFit () override
virtual unsigned int GetPreT0ParIndex () const override
virtual float GetAmplitude () const override
virtual float GetAmpError () const override
virtual float GetTau1 () const override
virtual float GetTau2 () const override
virtual float GetPreT0 () const override
virtual float GetPreAmp () const override
virtual float GetPostT0 () const override
virtual float GetPostAmp () const override
virtual float GetExpAmp () const override
virtual float GetTime () const override
virtual unsigned int GetNumShapeParameters () const override
virtual float GetShapeParameter (size_t index) const override
virtual float GetBkgdMaxFraction () const override
virtual double operator() (const double *x, const double *p) override
bool HaveParameterSet () const
void OverrideParameterSet (const std::vector< FitParameter > &parameterSet)
const FitParameter & GetParameterDescr (const std::string &name)
void Initialize (float initialAmp, float initialT0, float ampMin, float ampMax)
void Initialize (float initialAmp, float initialT0, float ampMin, float ampMax, float fitTmin, float fitTmax, float fitTRef)
bool finalized () const
virtual void Finalize ()
virtual void DoFinalize ()
void SetAmpMinMax (float minAmp, float maxAmp)
void SetT0Range (float t0Min, float t0Max)
void ConstrainFit ()
void UnconstrainFit ()
float GetMinAmp () const
float GetMaxAmp () const
float GetTMin () const
float GetTMax () const
float GetT0Min () const
float GetT0Max () const
float GetTMinAdjust () const
virtual std::shared_ptr< TF1 > GetWrapperTF1 ()
virtual const TF1 * GetWrapperTF1 () const
virtual TF1 * GetWrapperTF1RawPtr () const

Protected Member Functions

void LoadDefaultParameterSet (const std::vector< FitParameter > &parameterSet)

Protected Attributes

float m_preT0Min
float m_preT0Max

Private Attributes

float m_tau1 {0}
float m_tau2 {0}
float m_timeCorr {0}
double m_preNorm {1.}
std::shared_ptr< TF1 > m_expFermiLHCfFunc = 0
std::shared_ptr< TF1 > m_expFermiPreFunc = 0
std::shared_ptr< TF1 > m_wrapperTF1 {}
float m_tmin {0}
float m_tmax {0}
float m_ampMin {0}
float m_ampMax {0}
float m_t0Min {0}
float m_t0Max {0}
bool m_adjTLimitsEvent {false}
float m_tminAdjust {0}
float m_tempTmin {0}
float m_tempTmax {0}
bool m_haveParameterSet {false}
std::vector< FitParameter > m_parameterSet
bool m_finalized {false}

Detailed Description

Definition at line 654 of file ZDCFitWrapper.h.

Constructor & Destructor Documentation

◆ ZDCFitExpFermiLHCfPrePulse()

ZDCFitExpFermiLHCfPrePulse::ZDCFitExpFermiLHCfPrePulse ( const std::string & tag,
float tmin,
float tmax,
float tau1,
float tau2 )

Definition at line 966 of file ZDCFitWrapper.cxx.

966 :
967 ZDCPrePulseFitWrapper(std::make_shared<TF1>(("ExpFermiLHCfPrePulse" + tag).c_str(), this, tmin, tmax, 7)),
968 m_tau1(tau1), m_tau2(tau2)
969{
970 // Create the reference function that we use to evaluate ExpFermiFit more efficiently
971 //
972 std::string funcNameRefFunc = "ExpFermiLHCfPrePulseRefFunc" + tag;
973 std::string funcNamePreFunc = "ExpFermiLHCfPrePulsePreFunc" + tag;
974
975 m_expFermiLHCfFunc = std::make_shared<TF1>(funcNameRefFunc.c_str(), ZDCFermiExpFitRefl, tmin, tmax, 9);
976 m_expFermiLHCfFunc->SetParameter(0, 1);
977 m_expFermiLHCfFunc->SetParameter(1, 0);
978 m_expFermiLHCfFunc->SetParameter(2, m_tau1);
979 m_expFermiLHCfFunc->SetParameter(3, m_tau2);
980 m_expFermiLHCfFunc->SetParameter(4, 0);
981 m_expFermiLHCfFunc->SetParameter(5, 6.5);
982 m_expFermiLHCfFunc->SetParameter(6, 0.2);
983 m_expFermiLHCfFunc->SetParameter(7, 1.5);
984 m_expFermiLHCfFunc->SetParameter(8, 0.01);
985
986 m_expFermiPreFunc = std::make_shared<TF1>(funcNamePreFunc.c_str(), ZDCFermiExpFit, tmin, tmax, 9);
987
988 m_expFermiPreFunc->SetParameter(0, 1);
989 m_expFermiPreFunc->SetParameter(1, 0);
990 m_expFermiPreFunc->SetParameter(2, m_tau1);
991 m_expFermiPreFunc->SetParameter(3, m_tau2);
992 m_expFermiPreFunc->SetParameter(4, 0);
993 m_preNorm = 1. / m_expFermiPreFunc->GetMaximum();
994
995 // Now set up the actual TF1
996 //
997 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
998
999 // The actual paerameters we fit
1000 //
1001 theTF1->SetParName(0, "Amp");
1002 theTF1->SetParName(1, "T0");
1003 theTF1->SetParName(2, "tau1");
1004 theTF1->SetParName(3, "tau2");
1005 theTF1->SetParName(4, "Amp_{pre}");
1006 theTF1->SetParName(5, "T0_{pre}");
1007 theTF1->SetParName(6, "C");
1008
1009 // BAC, parameter 0 limits now is set in DoInitialize
1010 theTF1->SetParLimits(1, tmin, tmax);
1011 theTF1->SetParLimits(2, 1.0, 2);
1012 theTF1->SetParLimits(3, 3.5, 5.5);
1013 theTF1->SetParLimits(4, 1, 8196); // Increase the upper range to 2 times of ADC range to deal with large exponential tail case of pre-pulse.
1014 theTF1->SetParLimits(5, -20, 10);
1015 theTF1->SetParLimits(6, -50, 50);
1016
1017}
double ZDCFermiExpFit(const double *xvec, const double *pvec)
double ZDCFermiExpFitRefl(const double *xvec, const double *pvec)
std::shared_ptr< TF1 > m_expFermiPreFunc
std::shared_ptr< TF1 > m_expFermiLHCfFunc
virtual std::shared_ptr< TF1 > GetWrapperTF1()
ZDCPrePulseFitWrapper(std::shared_ptr< TF1 > wrapperTF1)

◆ ~ZDCFitExpFermiLHCfPrePulse()

ZDCFitExpFermiLHCfPrePulse::~ZDCFitExpFermiLHCfPrePulse ( )
inline

Definition at line 668 of file ZDCFitWrapper.h.

668{}

Member Function Documentation

◆ ConstrainFit()

void ZDCFitWrapper::ConstrainFit ( )
inherited

Definition at line 277 of file ZDCFitWrapper.cxx.

278{
279 if (m_haveParameterSet) {
280 auto tf1_p = GetWrapperTF1();
281
282 for (unsigned int ipar = 2; ipar < m_parameterSet.size(); ipar++) {
283 const auto & fitparDescr = m_parameterSet[ipar];
284
285 if (!fitparDescr.fixed() && fitparDescr.constrainFixed()) {
286 tf1_p->FixParameter(ipar, fitparDescr.constrainValue());
287 }
288 }
289 }
290 else doConstrainFit();
291}
std::vector< FitParameter > m_parameterSet
bool m_haveParameterSet
virtual void doConstrainFit()=0

◆ doConstrainFit()

void ZDCFitExpFermiLHCfPrePulse::doConstrainFit ( )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 1019 of file ZDCFitWrapper.cxx.

1020{
1021 // We force the constant term and per-pulse amplitude to zero
1022 //
1023 std::shared_ptr<TF1> theTF1 = GetWrapperTF1();
1024
1025 theTF1->FixParameter(4, 0);
1026 theTF1->FixParameter(6, 0);
1027}

◆ DoFinalize()

virtual void ZDCFitWrapper::DoFinalize ( )
inlinevirtualinherited

◆ DoInitialize()

void ZDCFitExpFermiLHCfPrePulse::DoInitialize ( float initialAmp,
float initialT0,
float ampMin,
float ampMax )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 1052 of file ZDCFitWrapper.cxx.

1053{
1054 GetWrapperTF1()->SetParameter(0, initialAmp);
1055 GetWrapperTF1()->SetParameter(1, initialT0);
1056 GetWrapperTF1()->SetParameter(2, m_tau1);
1057 GetWrapperTF1()->SetParameter(3, m_tau2);
1058 GetWrapperTF1()->SetParameter(4, 5);
1059 GetWrapperTF1()->SetParameter(5, -10);
1060 GetWrapperTF1()->SetParameter(6, 0);
1061
1062 GetWrapperTF1()->SetParLimits(0, ampMin, ampMax);
1063 // Set parameter errors for fit step size
1064 //
1065 double ampStep = std::min(0.05*initialAmp, std::abs(ampMax - initialAmp)/2.);
1066 GetWrapperTF1()->SetParError(0, ampStep);
1067 GetWrapperTF1()->SetParError(1, 1.0);
1068 GetWrapperTF1()->SetParError(2, 0.05);
1069 GetWrapperTF1()->SetParError(3, 1);
1070 GetWrapperTF1()->SetParError(4, 5.0);
1071 GetWrapperTF1()->SetParError(5, 1.0);
1072 GetWrapperTF1()->SetParError(6, 2.0);
1073}

◆ doUnconstrainFit()

void ZDCFitExpFermiLHCfPrePulse::doUnconstrainFit ( )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 1028 of file ZDCFitWrapper.cxx.

1029{
1030 std::shared_ptr<TF1> theTF1 = GetWrapperTF1();
1031 theTF1->ReleaseParameter(4);
1032 theTF1->ReleaseParameter(6);
1033
1034 theTF1->SetParLimits(4, 1, 8196); // Increase the upper range to 2 times of ADC range to deal with large exponential tail case of pre-pulse.
1035 theTF1->SetParLimits(6, -50, 50);
1036}

◆ Finalize()

virtual void ZDCFitWrapper::Finalize ( )
inlinevirtualinherited

Definition at line 136 of file ZDCFitWrapper.h.

137 {
138 DoFinalize();
139 m_finalized = true;
140 }
virtual void DoFinalize()

◆ finalized()

bool ZDCFitWrapper::finalized ( ) const
inlineinherited

Definition at line 134 of file ZDCFitWrapper.h.

134{return m_finalized;}

◆ GetAmpError()

virtual float ZDCFitExpFermiLHCfPrePulse::GetAmpError ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 694 of file ZDCFitWrapper.h.

694{return GetWrapperTF1()->GetParError(0); }

◆ GetAmplitude()

virtual float ZDCFitExpFermiLHCfPrePulse::GetAmplitude ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 693 of file ZDCFitWrapper.h.

693{return GetWrapperTF1()->GetParameter(0); }

◆ GetBkgdMaxFraction()

virtual float ZDCFitExpFermiLHCfPrePulse::GetBkgdMaxFraction ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 719 of file ZDCFitWrapper.h.

720 {
721 const TF1* theTF1 = ZDCFitWrapper::GetWrapperTF1();
722
723 double maxTime = GetTime();
724
725 double amp = theTF1->GetParameter(0);
726 if (amp <= 0) return -1;
727
728 double preAmp = theTF1->GetParameter(2);
729 double preT0 = theTF1->GetParameter(3);
730
731 double deltaTPre = maxTime - preT0;
732 double background = preAmp * m_preNorm * m_expFermiLHCfFunc->operator()(deltaTPre);
733
734 return background / (amp + background);
735 }
virtual float GetTime() const override

◆ GetExpAmp()

virtual float ZDCFitExpFermiLHCfPrePulse::GetExpAmp ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 705 of file ZDCFitWrapper.h.

705{return 0;}

◆ GetMaxAmp()

float ZDCFitWrapper::GetMaxAmp ( ) const
inlineinherited

Definition at line 172 of file ZDCFitWrapper.h.

172{return m_ampMax;}

◆ GetMinAmp()

float ZDCFitWrapper::GetMinAmp ( ) const
inlineinherited

Definition at line 171 of file ZDCFitWrapper.h.

171{return m_ampMin;}

◆ GetNumShapeParameters()

virtual unsigned int ZDCFitExpFermiLHCfPrePulse::GetNumShapeParameters ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 711 of file ZDCFitWrapper.h.

711{return 1;}

◆ GetParameterDescr()

const ZDCFitWrapper::FitParameter & ZDCFitWrapper::GetParameterDescr ( const std::string & name)
inherited

Definition at line 118 of file ZDCFitWrapper.cxx.

119{
120 auto iter = std::find_if(m_parameterSet.begin(), m_parameterSet.end(),
121 [name](const FitParameter& parDesc){return parDesc.name() == name;});
122 if (iter == m_parameterSet.end()) throw std::logic_error("ZDCFitWrapper::GetParameterDescr: invalid parameter name: " + name );
123 return *iter;
124}

◆ GetPostAmp()

virtual float ZDCFitExpFermiLHCfPrePulse::GetPostAmp ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 703 of file ZDCFitWrapper.h.

703{return 0;}

◆ GetPostT0()

virtual float ZDCFitExpFermiLHCfPrePulse::GetPostT0 ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 702 of file ZDCFitWrapper.h.

702{return 0;}

◆ GetPreAmp()

virtual float ZDCFitExpFermiLHCfPrePulse::GetPreAmp ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 700 of file ZDCFitWrapper.h.

700{return GetWrapperTF1()->GetParameter(3);}

◆ GetPreT0()

virtual float ZDCFitExpFermiLHCfPrePulse::GetPreT0 ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 699 of file ZDCFitWrapper.h.

699{return GetWrapperTF1()->GetParameter(3);}

◆ GetPreT0ParIndex()

virtual unsigned int ZDCFitExpFermiLHCfPrePulse::GetPreT0ParIndex ( ) const
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 691 of file ZDCFitWrapper.h.

691{return 3;}

◆ GetShapeParameter()

virtual float ZDCFitExpFermiLHCfPrePulse::GetShapeParameter ( size_t index) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 713 of file ZDCFitWrapper.h.

714 {
715 if (index < 1) return GetWrapperTF1()->GetParameter(6);
716 else throw std::runtime_error("Fit parameter does not exist.");
717 }

◆ GetT0Max()

float ZDCFitWrapper::GetT0Max ( ) const
inlineinherited

Definition at line 182 of file ZDCFitWrapper.h.

182 {
183 if (m_adjTLimitsEvent) return m_tempTmax;
184 else return m_t0Max;
185 }

◆ GetT0Min()

float ZDCFitWrapper::GetT0Min ( ) const
inlineinherited

Definition at line 177 of file ZDCFitWrapper.h.

177 {
178 if (m_adjTLimitsEvent) return m_tempTmin;
179 else return m_t0Min;
180 }

◆ GetTau1()

virtual float ZDCFitExpFermiLHCfPrePulse::GetTau1 ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 696 of file ZDCFitWrapper.h.

696{return m_tau1;}

◆ GetTau2()

virtual float ZDCFitExpFermiLHCfPrePulse::GetTau2 ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 697 of file ZDCFitWrapper.h.

697{return m_tau2;}

◆ GetTime()

virtual float ZDCFitExpFermiLHCfPrePulse::GetTime ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 707 of file ZDCFitWrapper.h.

707 {
708 return GetWrapperTF1()->GetParameter(1) + m_timeCorr; // Correct the time to the maximum
709 }

◆ GetTMax()

float ZDCFitWrapper::GetTMax ( ) const
inlineinherited

Definition at line 175 of file ZDCFitWrapper.h.

175{return m_tmax;}

◆ GetTMin()

float ZDCFitWrapper::GetTMin ( ) const
inlineinherited

Definition at line 174 of file ZDCFitWrapper.h.

174{return m_tmin;}

◆ GetTMinAdjust()

float ZDCFitWrapper::GetTMinAdjust ( ) const
inlineinherited

Definition at line 187 of file ZDCFitWrapper.h.

187{return m_tminAdjust;}

◆ GetWrapperTF1() [1/2]

virtual std::shared_ptr< TF1 > ZDCFitWrapper::GetWrapperTF1 ( )
inlinevirtualinherited

Definition at line 196 of file ZDCFitWrapper.h.

196{return m_wrapperTF1;}
std::shared_ptr< TF1 > m_wrapperTF1

◆ GetWrapperTF1() [2/2]

virtual const TF1 * ZDCFitWrapper::GetWrapperTF1 ( ) const
inlinevirtualinherited

Definition at line 197 of file ZDCFitWrapper.h.

197{return m_wrapperTF1.get();}

◆ GetWrapperTF1RawPtr()

virtual TF1 * ZDCFitWrapper::GetWrapperTF1RawPtr ( ) const
inlinevirtualinherited

Definition at line 198 of file ZDCFitWrapper.h.

198{return m_wrapperTF1.get();}

◆ HaveParameterSet()

bool ZDCFitWrapper::HaveParameterSet ( ) const
inlineinherited

Definition at line 127 of file ZDCFitWrapper.h.

127{return m_haveParameterSet;}

◆ Initialize() [1/2]

void ZDCFitWrapper::Initialize ( float initialAmp,
float initialT0,
float ampMin,
float ampMax )
inherited

Definition at line 199 of file ZDCFitWrapper.cxx.

200{
201 // Clear the errors on the TF1 because retaining the errors seems to affect
202 // the convergence of fits
203 //
204 auto tf1_p = GetWrapperTF1();
205 unsigned int npar = tf1_p->GetNpar();
206 std::vector<double> zeroVec(npar, 0.0);
207 GetWrapperTF1()->SetParErrors(&zeroVec[0]);
208
209 // If we adjusted the time range on the previous event, restore to default
210 //
211 if (m_adjTLimitsEvent) {
213
214 m_adjTLimitsEvent = false;
215 m_tminAdjust = 0;
216 }
217
218 SetAmpMinMax(ampMin, ampMax);
219
220 //
221 // Do we have parameter sets?
222 //
223 if (m_haveParameterSet) {
224 for (unsigned int ipar = 0; ipar < m_parameterSet.size(); ipar++) {
225 //
226 // Yes, use parameter descriptors to initialize the TF1
227 //
228 const auto & fitparDescr = m_parameterSet[ipar];
229
230 if (!fitparDescr.fixed()) {
231 tf1_p->SetParameter(ipar, fitparDescr.defaultValue());
232 tf1_p->SetParError(ipar, fitparDescr.stepSize());
233 }
234 }
235
236 tf1_p->SetParameter(0, initialAmp);
237 tf1_p->SetParameter(1, initialT0);
238 }
239 else {
240 //
241 // No, perform the wrapper-implemented initialize
242 //
243 DoInitialize(initialAmp, initialT0, ampMin, ampMax);
244
245 // Clear the errors on the TF1 because retaining the errors seems to affect
246 // the convergence of fits
247 //
248 unsigned int npar = GetWrapperTF1()->GetNpar();
249 std::vector<double> zeroVec(npar, 0.0);
250 tf1_p->SetParErrors(&zeroVec[0]);
251
252 }
253}
virtual void SetT0FitLimits(float tMin, float tMax)=0
void SetAmpMinMax(float minAmp, float maxAmp)
virtual void DoInitialize(float initialAmp, float initialT0, float ampMin, float ampMax)=0

◆ Initialize() [2/2]

void ZDCFitWrapper::Initialize ( float initialAmp,
float initialT0,
float ampMin,
float ampMax,
float fitTmin,
float fitTmax,
float fitTRef )
inherited

Definition at line 255 of file ZDCFitWrapper.cxx.

256{
257
258 // First do the nominal initializatioon
259 //
260 Initialize(initialAmp, initialT0, ampMin, ampMax);
261
262 // Now account for the modified time range
263 //
264 m_adjTLimitsEvent = true;
265
266 // Handle the specific limits on T0
267 //
268 m_tminAdjust = fitTRef; // Note: this is the time corresponding to the sample used for presample subtraction
269
270 m_tempTmin = std::max(m_t0Min, fitTmin);
271 m_tempTmax = std::min(m_t0Max, fitTmax);
272
273 SetAmpMinMax(ampMin, ampMax);
275}
void Initialize(float initialAmp, float initialT0, float ampMin, float ampMax)

◆ LoadDefaultParameterSet()

void ZDCFitWrapper::LoadDefaultParameterSet ( const std::vector< FitParameter > & parameterSet)
protectedinherited

Definition at line 126 of file ZDCFitWrapper.cxx.

127{
128 // First step is to check consistency with number of parameters in TF1
129 //
130 if (int(parameterSet.size()) != m_wrapperTF1->GetNpar()) throw std::logic_error("ZDCFitWrapper::LoadDefaultParameterSet:: Incorrect number of parameters in default parameter set");
131
132 m_parameterSet = parameterSet;
133 m_haveParameterSet = true;
134
135 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
136
137 // Loop over passed descriptors
138 //
139 unsigned parIndex = 0;
140 for (const auto & parDescr : parameterSet) {
141 //
142 // Load the settings for this parameter in the TF1
143 //
144 std::string name = parDescr.name();
145 theTF1->SetParName(parIndex, name.c_str());
146
147 bool fixed = parDescr.fixed();
148
149 if (fixed) {
150 float fixedValue = parDescr.defaultValue();
151 theTF1->FixParameter(parIndex, fixedValue);
152 }
153 else {
154 float lowerLimit = parDescr.lowerLimit();
155 float upperLimit = parDescr.upperLimit();
156 theTF1->SetParLimits(parIndex, lowerLimit, upperLimit);
157 }
158
159 parIndex++;
160 }
161}

◆ operator()()

virtual double ZDCFitExpFermiLHCfPrePulse::operator() ( const double * x,
const double * p )
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 737 of file ZDCFitWrapper.h.

738 {
739 double t = x[0];
740
741 double amp = p[0];
742 double t0 = p[1];
743 double tau1 = p[2];
744 double tau2 = p[3];
745 double preAmp = p[4];
746 double preT0 = p[5];
747 double C = p[6];
748
749 m_expFermiLHCfFunc->SetParameter(0, amp);
750 m_expFermiLHCfFunc->SetParameter(2, tau1);
751 m_expFermiLHCfFunc->SetParameter(3, tau2);
752 m_expFermiLHCfFunc->SetParameter(4, tau2);
753
754 double deltaT = t - t0;
755 double deltaTPre = t - preT0;
756
757 // We subtract off the value of the pre-pulse at the minimum time (nominally 0,
758 // but can change if we exclude early samples) to account for the subtraction of the pre-sample
759 //
760 double deltaPresamp = GetTMinAdjust() - preT0;
761
762 double pulse1 = m_expFermiLHCfFunc->operator()(deltaT);
763 double pulse2 = preAmp * m_preNorm * (m_expFermiPreFunc->operator()(deltaTPre) -
764 m_expFermiPreFunc->operator()(deltaPresamp));
765
766 return C + pulse1 + pulse2;
767 }
static Double_t t0
#define x
float GetTMinAdjust() const
struct color C

◆ OverrideParameterSet()

void ZDCFitWrapper::OverrideParameterSet ( const std::vector< FitParameter > & parameterSet)
inherited

Definition at line 163 of file ZDCFitWrapper.cxx.

164{
165 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
166
167 // Loop over the provided parameter descriptors
168 //
169 for (const auto & parDescr : overParamSet) {
170 std::string inputName = parDescr.name();
171
172 // Fit the parameter name in the current list
173 //
174 auto iter = std::find_if(m_parameterSet.begin(), m_parameterSet.end(),
175 [inputName](const FitParameter& parDesc){return parDesc.name() == inputName;});
176 if (iter == m_parameterSet.end()) throw std::logic_error("ZDCFitWrapper::OverrideParameterSet: invalid parameter name: " +inputName );
177
178 // Update the descriptor for this parameter
179 //
180 (*iter) = parDescr;
181
182 // Update the settings in the TF!
183 //
184 unsigned int parIndex = std::distance(m_parameterSet.begin(), iter);
185 bool fixed = parDescr.fixed();
186
187 if (fixed) {
188 float fixedValue = parDescr.defaultValue();
189 theTF1->FixParameter(parIndex, fixedValue);
190 }
191 else {
192 float lowerLimit = parDescr.lowerLimit();
193 float upperLimit = parDescr.upperLimit();
194 theTF1->SetParLimits(parIndex, lowerLimit, upperLimit);
195 }
196 }
197}

◆ SetAmpMinMax()

void ZDCFitWrapper::SetAmpMinMax ( float minAmp,
float maxAmp )
inlineinherited

Definition at line 147 of file ZDCFitWrapper.h.

148 {
149 m_ampMin = minAmp;
150 m_ampMax = maxAmp;
151 }

◆ SetInitialPrePulse()

virtual void ZDCFitExpFermiLHCfPrePulse::SetInitialPrePulse ( float amp,
float t0,
float ,
bool  )
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 674 of file ZDCFitWrapper.h.

675 {
676 double ampMin, ampMax;
677
678 GetWrapperTF1()->GetParLimits(2, ampMin, ampMax);
679 double initialAmp = std::min<double>(std::max<double>(amp, ampMin), ampMax);
680
681 GetWrapperTF1()->SetParameter(4, initialAmp);
682 GetWrapperTF1()->SetParameter(5, t0);
683 }

◆ SetPostPulseT0Range()

virtual void ZDCFitExpFermiLHCfPrePulse::SetPostPulseT0Range ( float ,
float ,
float  )
inlineoverridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 686 of file ZDCFitWrapper.h.

686{return;}

◆ SetPrePulseT0Range()

void ZDCFitExpFermiLHCfPrePulse::SetPrePulseT0Range ( float tmin,
float tmax )
overridevirtual

Implements ZDCPrePulseFitWrapper.

Definition at line 1038 of file ZDCFitWrapper.cxx.

1039{
1040 if (tmin > GetTMin()) {
1041 m_preT0Min = tmin;
1042 GetWrapperTF1()->ReleaseParameter(5);
1043 GetWrapperTF1()->SetParLimits(5, tmin, tmax);
1044 }
1045 else {
1046 m_preT0Min = -25;
1047 GetWrapperTF1()->SetParLimits(5, -25, tmax);
1048 }
1049 m_preT0Max = tmax;
1050}
float GetTMin() const

◆ SetT0FitLimits()

void ZDCFitExpFermiLHCfPrePulse::SetT0FitLimits ( float tMin,
float tMax )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 1075 of file ZDCFitWrapper.cxx.

1076{
1077 std::shared_ptr<TF1> theTF1 = GetWrapperTF1();
1078 theTF1->SetParLimits(1, t0Min, t0Max);
1079}

◆ SetT0Range()

void ZDCFitWrapper::SetT0Range ( float t0Min,
float t0Max )
inlineinherited

Definition at line 153 of file ZDCFitWrapper.h.

154 {
155 m_t0Min = t0Min;
156 m_t0Max = t0Max;
157
158 SetT0FitLimits(t0Min, t0Max);
159 }

◆ UnconstrainFit()

void ZDCFitWrapper::UnconstrainFit ( )
inherited

Definition at line 293 of file ZDCFitWrapper.cxx.

294{
295 if (m_haveParameterSet) {
296 auto tf1_p = GetWrapperTF1();
297
298 for (unsigned int ipar = 2; ipar < m_parameterSet.size(); ipar++) {
299 const auto & fitparDescr = m_parameterSet[ipar];
300
301 if (!fitparDescr.fixed() && fitparDescr.constrainFixed()) {
302 tf1_p->ReleaseParameter(ipar);
303 tf1_p->SetParameter(ipar, fitparDescr.defaultValue());
304
305 float lowerLimit = fitparDescr.lowerLimit();
306 float upperLimit = fitparDescr.upperLimit();
307 tf1_p->SetParLimits(ipar, lowerLimit, upperLimit);
308
309 tf1_p->SetParError(ipar, fitparDescr.stepSize());
310 }
311 }
312 }
313 else doUnconstrainFit();
314}
virtual void doUnconstrainFit()=0

Member Data Documentation

◆ m_adjTLimitsEvent

bool ZDCFitWrapper::m_adjTLimitsEvent {false}
privateinherited

Definition at line 74 of file ZDCFitWrapper.h.

74{false};

◆ m_ampMax

float ZDCFitWrapper::m_ampMax {0}
privateinherited

Definition at line 69 of file ZDCFitWrapper.h.

69{0};

◆ m_ampMin

float ZDCFitWrapper::m_ampMin {0}
privateinherited

Definition at line 68 of file ZDCFitWrapper.h.

68{0};

◆ m_expFermiLHCfFunc

std::shared_ptr<TF1> ZDCFitExpFermiLHCfPrePulse::m_expFermiLHCfFunc = 0
private

Definition at line 663 of file ZDCFitWrapper.h.

◆ m_expFermiPreFunc

std::shared_ptr<TF1> ZDCFitExpFermiLHCfPrePulse::m_expFermiPreFunc = 0
private

Definition at line 664 of file ZDCFitWrapper.h.

◆ m_finalized

bool ZDCFitWrapper::m_finalized {false}
privateinherited

Definition at line 82 of file ZDCFitWrapper.h.

82{false};

◆ m_haveParameterSet

bool ZDCFitWrapper::m_haveParameterSet {false}
privateinherited

Definition at line 79 of file ZDCFitWrapper.h.

79{false};

◆ m_parameterSet

std::vector<FitParameter> ZDCFitWrapper::m_parameterSet
privateinherited

Definition at line 80 of file ZDCFitWrapper.h.

◆ m_preNorm

double ZDCFitExpFermiLHCfPrePulse::m_preNorm {1.}
private

Definition at line 661 of file ZDCFitWrapper.h.

661{1.};

◆ m_preT0Max

float ZDCPrePulseFitWrapper::m_preT0Max
protectedinherited

Definition at line 205 of file ZDCFitWrapper.h.

◆ m_preT0Min

float ZDCPrePulseFitWrapper::m_preT0Min
protectedinherited

Definition at line 204 of file ZDCFitWrapper.h.

◆ m_t0Max

float ZDCFitWrapper::m_t0Max {0}
privateinherited

Definition at line 72 of file ZDCFitWrapper.h.

72{0};

◆ m_t0Min

float ZDCFitWrapper::m_t0Min {0}
privateinherited

Definition at line 71 of file ZDCFitWrapper.h.

71{0};

◆ m_tau1

float ZDCFitExpFermiLHCfPrePulse::m_tau1 {0}
private

Definition at line 657 of file ZDCFitWrapper.h.

657{0};

◆ m_tau2

float ZDCFitExpFermiLHCfPrePulse::m_tau2 {0}
private

Definition at line 658 of file ZDCFitWrapper.h.

658{0};

◆ m_tempTmax

float ZDCFitWrapper::m_tempTmax {0}
privateinherited

Definition at line 77 of file ZDCFitWrapper.h.

77{0};

◆ m_tempTmin

float ZDCFitWrapper::m_tempTmin {0}
privateinherited

Definition at line 76 of file ZDCFitWrapper.h.

76{0};

◆ m_timeCorr

float ZDCFitExpFermiLHCfPrePulse::m_timeCorr {0}
private

Definition at line 659 of file ZDCFitWrapper.h.

659{0};

◆ m_tmax

float ZDCFitWrapper::m_tmax {0}
privateinherited

Definition at line 66 of file ZDCFitWrapper.h.

66{0};

◆ m_tmin

float ZDCFitWrapper::m_tmin {0}
privateinherited

Definition at line 65 of file ZDCFitWrapper.h.

65{0};

◆ m_tminAdjust

float ZDCFitWrapper::m_tminAdjust {0}
privateinherited

Definition at line 75 of file ZDCFitWrapper.h.

75{0};

◆ m_wrapperTF1

std::shared_ptr<TF1> ZDCFitWrapper::m_wrapperTF1 {}
privateinherited

Definition at line 63 of file ZDCFitWrapper.h.

63{};

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