ATLAS Offline Software
Loading...
Searching...
No Matches
ZDCFitExpFermiVariableTausInduct Class Reference

#include <ZDCFitWrapper.h>

Inheritance diagram for ZDCFitExpFermiVariableTausInduct:
Collaboration diagram for ZDCFitExpFermiVariableTausInduct:

Public Member Functions

 ZDCFitExpFermiVariableTausInduct (const std::string &tag, float tmin, float tmax, bool fixTau1, bool fixTau2, float tau1, float tau2)
virtual void DoInitialize (float initialAmp, float initialT0, float ampMin, float ampMax) override
virtual void SetT0FitLimits (float tMin, float tMax) override
virtual float GetAmplitude () const override
virtual float GetAmpError () const override
virtual float GetTau1 () const override
virtual float GetTau2 () 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
virtual void ConstrainFit () override
virtual void UnconstrainFit () override
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)
void SetAmpMinMax (float minAmp, float maxAmp)
void SetT0Range (float t0Min, float t0Max)
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 Attributes

bool m_fixTau1 {false}
bool m_fixTau2 {false}
float m_tau1 {0}
float m_tau2 {0}

Private Attributes

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}

Detailed Description

Definition at line 298 of file ZDCFitWrapper.h.

Constructor & Destructor Documentation

◆ ZDCFitExpFermiVariableTausInduct()

ZDCFitExpFermiVariableTausInduct::ZDCFitExpFermiVariableTausInduct ( const std::string & tag,
float tmin,
float tmax,
bool fixTau1,
bool fixTau2,
float tau1,
float tau2 )

Definition at line 219 of file ZDCFitWrapper.cxx.

219 :
220 ZDCFitWrapper(std::make_shared<TF1>(("ExpFermiVariableTausInduct" + tag).c_str(), ZDCFermiExpFitInduct, tmin, tmax, 9)),
221 m_fixTau1(fixTau1), m_fixTau2(fixTau2), m_tau1(tau1), m_tau2(tau2)
222{
223 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
224
225 theTF1->SetParName(0, "Amp");
226 theTF1->SetParName(1, "T0");
227 theTF1->SetParName(2, "#tau_{1}");
228 theTF1->SetParName(3, "#tau_{2}");
229 theTF1->SetParName(4, "C");
230 theTF1->SetParName(5, "period");
231 theTF1->SetParName(6, "Acos");
232 theTF1->SetParName(7, "Bsin");
233 theTF1->SetParName(8, "delta");
234
235 theTF1->SetParLimits(1, tmin, tmax);
236 theTF1->SetParLimits(4, -50, 50);
237 theTF1->SetParLimits(5, 10, 50);
238 theTF1->SetParLimits(6, 0, 1);
239 theTF1->SetParLimits(7, -1, 1);
240
241 if (m_fixTau1) theTF1->FixParameter(2, m_tau1);
242 else theTF1->SetParLimits(2, 0.5, 3);
243
244 if (m_fixTau2) theTF1->FixParameter(3, m_tau2);
245 else theTF1->SetParLimits(3, 3.5, 8);
246}
double ZDCFermiExpFitInduct(const double *xvec, const double *pvec)
virtual std::shared_ptr< TF1 > GetWrapperTF1()
ZDCFitWrapper(const std::shared_ptr< TF1 > &wrapperTF1)

Member Function Documentation

◆ ConstrainFit()

void ZDCFitExpFermiVariableTausInduct::ConstrainFit ( )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 295 of file ZDCFitWrapper.cxx.

296{
297}

◆ DoInitialize()

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

Implements ZDCFitWrapper.

Definition at line 248 of file ZDCFitWrapper.cxx.

249{
250 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
251
252 theTF1->SetParameter(0, initialAmp);
253 theTF1->SetParLimits(0, ampMin, ampMax);
254
255 float t0 = initialT0;
256 if (t0 < GetT0Min()) t0 = GetT0Min()*1.1;
257 if (t0 > GetT0Max()) t0 = GetT0Max()/1.1;
258 theTF1->SetParameter(1, t0);
259
260 theTF1->SetParameter(1, initialT0);
261 theTF1->FixParameter(5, 13.5);
262 theTF1->SetParameter(6, 0.5);
263 theTF1->SetParameter(7, 0.5);
264 theTF1->FixParameter(8, 0);
265
266 // theTF1->SetParLimits(0, ampMin, ampMax);
267
268 if (!m_fixTau1) theTF1->SetParameter(2, m_tau1);
269 if (!m_fixTau2) theTF1->SetParameter(3, m_tau2);
270
271 // Set the parameter errors which ROOT now uses <<<to set the initial step sizes>>>
272 //
273 double ampStep = std::min(0.05*initialAmp, std::abs(ampMax - initialAmp)/2.);
274
275 theTF1->SetParError(0, ampStep);
276 theTF1->SetParError(1, 1.0);
277
278 if (!m_fixTau1) theTF1->SetParError(2, 0.05);
279 if (!m_fixTau2) theTF1->SetParError(3, 0.25);
280
281 theTF1->SetParError(4, 1);
282 theTF1->SetParError(5, 5);
283 theTF1->SetParError(6, 0.1);
284 theTF1->SetParError(7, 0.1);
285}
static Double_t t0
float GetT0Max() const
float GetT0Min() const

◆ GetAmpError()

virtual float ZDCFitExpFermiVariableTausInduct::GetAmpError ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 315 of file ZDCFitWrapper.h.

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

◆ GetAmplitude()

virtual float ZDCFitExpFermiVariableTausInduct::GetAmplitude ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 314 of file ZDCFitWrapper.h.

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

◆ GetBkgdMaxFraction()

virtual float ZDCFitExpFermiVariableTausInduct::GetBkgdMaxFraction ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 342 of file ZDCFitWrapper.h.

343 {
344 const TF1* theTF1 = ZDCFitWrapper::GetWrapperTF1();
345 double amp = theTF1->GetParameter(0);
346 double constant = theTF1->GetParameter(4);
347
348 if (amp > 1e-6) return constant / amp;
349 else return 1;
350 }

◆ GetMaxAmp()

float ZDCFitWrapper::GetMaxAmp ( ) const
inlineinherited

Definition at line 91 of file ZDCFitWrapper.h.

91{return m_ampMax;}

◆ GetMinAmp()

float ZDCFitWrapper::GetMinAmp ( ) const
inlineinherited

Definition at line 90 of file ZDCFitWrapper.h.

90{return m_ampMin;}

◆ GetNumShapeParameters()

virtual unsigned int ZDCFitExpFermiVariableTausInduct::GetNumShapeParameters ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 334 of file ZDCFitWrapper.h.

334{return 5;}

◆ GetShapeParameter()

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

Implements ZDCFitWrapper.

Definition at line 336 of file ZDCFitWrapper.h.

337 {
338 if (index < 5) return GetWrapperTF1()->GetParameter(4+index);
339 else throw std::runtime_error("Fit parameter does not exist.");
340 }

◆ GetT0Max()

float ZDCFitWrapper::GetT0Max ( ) const
inlineinherited

Definition at line 101 of file ZDCFitWrapper.h.

101 {
102 if (m_adjTLimitsEvent) return m_tempTmax;
103 else return m_t0Max;
104 }

◆ GetT0Min()

float ZDCFitWrapper::GetT0Min ( ) const
inlineinherited

Definition at line 96 of file ZDCFitWrapper.h.

96 {
97 if (m_adjTLimitsEvent) return m_tempTmin;
98 else return m_t0Min;
99 }

◆ GetTau1()

virtual float ZDCFitExpFermiVariableTausInduct::GetTau1 ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 317 of file ZDCFitWrapper.h.

317{return GetWrapperTF1()->GetParameter(2);}

◆ GetTau2()

virtual float ZDCFitExpFermiVariableTausInduct::GetTau2 ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 318 of file ZDCFitWrapper.h.

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

◆ GetTime()

virtual float ZDCFitExpFermiVariableTausInduct::GetTime ( ) const
inlineoverridevirtual

Implements ZDCFitWrapper.

Definition at line 320 of file ZDCFitWrapper.h.

320 {
321 const TF1* theTF1 = GetWrapperTF1();
322
323 float fitT0 = theTF1->GetParameter(1);
324
325 float tau1 = theTF1->GetParameter(2);
326 float tau2 = theTF1->GetParameter(3);
327
328 // Correct the time to the maximum
329 //
330 if (tau2 > tau1) fitT0 += tau1 * std::log(tau2 / tau1 - 1.0);
331 return fitT0;
332 }

◆ GetTMax()

float ZDCFitWrapper::GetTMax ( ) const
inlineinherited

Definition at line 94 of file ZDCFitWrapper.h.

94{return m_tmax;}

◆ GetTMin()

float ZDCFitWrapper::GetTMin ( ) const
inlineinherited

Definition at line 93 of file ZDCFitWrapper.h.

93{return m_tmin;}

◆ GetTMinAdjust()

float ZDCFitWrapper::GetTMinAdjust ( ) const
inlineinherited

Definition at line 106 of file ZDCFitWrapper.h.

106{return m_tminAdjust;}

◆ GetWrapperTF1() [1/2]

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

Definition at line 115 of file ZDCFitWrapper.h.

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

◆ GetWrapperTF1() [2/2]

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

Definition at line 116 of file ZDCFitWrapper.h.

116{return m_wrapperTF1.get();}

◆ GetWrapperTF1RawPtr()

virtual TF1 * ZDCFitWrapper::GetWrapperTF1RawPtr ( ) const
inlinevirtualinherited

Definition at line 117 of file ZDCFitWrapper.h.

117{return m_wrapperTF1.get();}

◆ Initialize() [1/2]

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

Definition at line 9 of file ZDCFitWrapper.cxx.

10{
11 // Clear the errors on the TF1 because retaining the errors seems to affect
12 // the convergence of fits
13 //
14 unsigned int npar = GetWrapperTF1()->GetNpar();
15 std::vector<double> zeroVec(npar, 0.0);
16 GetWrapperTF1()->SetParErrors(&zeroVec[0]);
17
18 // If we adjusted the time range on the previous event, restore to default
19 //
22
23 m_adjTLimitsEvent = false;
24 m_tminAdjust = 0;
25 }
26
27 SetAmpMinMax(ampMin, ampMax);
28
29 DoInitialize(initialAmp, initialT0, ampMin, ampMax);
30}
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 32 of file ZDCFitWrapper.cxx.

33{
34 // Clear the errors on the TF1 because retaining the errors seems to affect
35 // the convergence of fits
36 //
37 unsigned int npar = GetWrapperTF1()->GetNpar();
38 std::vector<double> zeroVec(npar, 0.0);
39 GetWrapperTF1()->SetParErrors(&zeroVec[0]);
40
41 m_adjTLimitsEvent = true;
42
43 m_tminAdjust = fitTRef; // Note: this is the time corresponding to the sample used for presample subtraction
44
45 m_tempTmin = std::max(m_t0Min, fitTmin);
46 m_tempTmax = std::min(m_t0Max, fitTmax);
47
48 SetAmpMinMax(ampMin, ampMax);
50
51 DoInitialize(initialAmp, initialT0, ampMin, ampMax);
52}

◆ operator()()

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

Implements ZDCFitWrapper.

Definition at line 352 of file ZDCFitWrapper.h.

352 {
353 return ZDCFermiExpFitInduct(x, p);
354 }
#define x

◆ SetAmpMinMax()

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

Definition at line 67 of file ZDCFitWrapper.h.

68 {
69 m_ampMin = minAmp;
70 m_ampMax = maxAmp;
71 }

◆ SetT0FitLimits()

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

Implements ZDCFitWrapper.

Definition at line 287 of file ZDCFitWrapper.cxx.

288{
289 // Set the parameter limits accordingly on the TF1
290 //
291 std::shared_ptr<TF1> theTF1 = ZDCFitWrapper::GetWrapperTF1();
292 theTF1->SetParLimits(1, t0Min, t0Max);
293}

◆ SetT0Range()

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

Definition at line 73 of file ZDCFitWrapper.h.

74 {
75 m_t0Min = t0Min;
76 m_t0Max = t0Max;
77
78 SetT0FitLimits(t0Min, t0Max);
79 }

◆ UnconstrainFit()

void ZDCFitExpFermiVariableTausInduct::UnconstrainFit ( )
overridevirtual

Implements ZDCFitWrapper.

Definition at line 298 of file ZDCFitWrapper.cxx.

299{
300}

Member Data Documentation

◆ m_adjTLimitsEvent

bool ZDCFitWrapper::m_adjTLimitsEvent {false}
privateinherited

Definition at line 36 of file ZDCFitWrapper.h.

36{false};

◆ m_ampMax

float ZDCFitWrapper::m_ampMax {0}
privateinherited

Definition at line 31 of file ZDCFitWrapper.h.

31{0};

◆ m_ampMin

float ZDCFitWrapper::m_ampMin {0}
privateinherited

Definition at line 30 of file ZDCFitWrapper.h.

30{0};

◆ m_fixTau1

bool ZDCFitExpFermiVariableTausInduct::m_fixTau1 {false}
protected

Definition at line 301 of file ZDCFitWrapper.h.

301{false};

◆ m_fixTau2

bool ZDCFitExpFermiVariableTausInduct::m_fixTau2 {false}
protected

Definition at line 302 of file ZDCFitWrapper.h.

302{false};

◆ m_t0Max

float ZDCFitWrapper::m_t0Max {0}
privateinherited

Definition at line 34 of file ZDCFitWrapper.h.

34{0};

◆ m_t0Min

float ZDCFitWrapper::m_t0Min {0}
privateinherited

Definition at line 33 of file ZDCFitWrapper.h.

33{0};

◆ m_tau1

float ZDCFitExpFermiVariableTausInduct::m_tau1 {0}
protected

Definition at line 304 of file ZDCFitWrapper.h.

304{0};

◆ m_tau2

float ZDCFitExpFermiVariableTausInduct::m_tau2 {0}
protected

Definition at line 305 of file ZDCFitWrapper.h.

305{0};

◆ m_tempTmax

float ZDCFitWrapper::m_tempTmax {0}
privateinherited

Definition at line 39 of file ZDCFitWrapper.h.

39{0};

◆ m_tempTmin

float ZDCFitWrapper::m_tempTmin {0}
privateinherited

Definition at line 38 of file ZDCFitWrapper.h.

38{0};

◆ m_tmax

float ZDCFitWrapper::m_tmax {0}
privateinherited

Definition at line 28 of file ZDCFitWrapper.h.

28{0};

◆ m_tmin

float ZDCFitWrapper::m_tmin {0}
privateinherited

Definition at line 27 of file ZDCFitWrapper.h.

27{0};

◆ m_tminAdjust

float ZDCFitWrapper::m_tminAdjust {0}
privateinherited

Definition at line 37 of file ZDCFitWrapper.h.

37{0};

◆ m_wrapperTF1

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

Definition at line 25 of file ZDCFitWrapper.h.

25{};

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