| 1 | #ifndef MARS_MAlphaFitter
|
|---|
| 2 | #define MARS_MAlphaFitter
|
|---|
| 3 |
|
|---|
| 4 | #ifndef MARS_MParContainer
|
|---|
| 5 | #include "MParContainer.h"
|
|---|
| 6 | #endif
|
|---|
| 7 |
|
|---|
| 8 | #ifndef ROOT_TArrayD
|
|---|
| 9 | #include <TArrayD.h>
|
|---|
| 10 | #endif
|
|---|
| 11 |
|
|---|
| 12 | #ifndef ROOT_TF1
|
|---|
| 13 | #include <TF1.h>
|
|---|
| 14 | #endif
|
|---|
| 15 |
|
|---|
| 16 | class TH1D;
|
|---|
| 17 |
|
|---|
| 18 | class MAlphaFitter : public MParContainer
|
|---|
| 19 | {
|
|---|
| 20 | private:
|
|---|
| 21 | TF1 *fFunc;
|
|---|
| 22 |
|
|---|
| 23 | Float_t fSigInt;
|
|---|
| 24 | Float_t fSigMax;
|
|---|
| 25 | Float_t fBgMin;
|
|---|
| 26 | Float_t fBgMax;
|
|---|
| 27 | Int_t fPolynomOrder;
|
|---|
| 28 |
|
|---|
| 29 | Double_t fSignificance;
|
|---|
| 30 | Double_t fEventsExcess;
|
|---|
| 31 | Double_t fEventsSignal;
|
|---|
| 32 | Double_t fEventsBackground;
|
|---|
| 33 |
|
|---|
| 34 | Double_t fChiSqSignal;
|
|---|
| 35 | Double_t fChiSqBg;
|
|---|
| 36 | Double_t fIntegralMax;
|
|---|
| 37 |
|
|---|
| 38 | TArrayD fCoefficients;
|
|---|
| 39 |
|
|---|
| 40 | public:
|
|---|
| 41 | // Implementing the function yourself is only about 5% faster
|
|---|
| 42 | MAlphaFitter() : fFunc(new TF1("", "gaus(0) + pol1(3)", 0, 90)), fSigInt(10), fSigMax(75), fBgMin(45), fBgMax(85), fPolynomOrder(1), fCoefficients(3+fPolynomOrder+1)
|
|---|
| 43 | {
|
|---|
| 44 | }
|
|---|
| 45 |
|
|---|
| 46 | MAlphaFitter(const MAlphaFitter &f) : fFunc(0)
|
|---|
| 47 | {
|
|---|
| 48 | f.Copy(*this);
|
|---|
| 49 | }
|
|---|
| 50 | ~MAlphaFitter()
|
|---|
| 51 | {
|
|---|
| 52 | delete fFunc;
|
|---|
| 53 | }
|
|---|
| 54 |
|
|---|
| 55 | void Copy(TObject &o) const
|
|---|
| 56 | {
|
|---|
| 57 | MAlphaFitter &f = static_cast<MAlphaFitter&>(o);
|
|---|
| 58 |
|
|---|
| 59 | f.fSigInt = fSigInt;
|
|---|
| 60 | f.fSigMax = fSigMax;
|
|---|
| 61 | f.fBgMin = fBgMin;
|
|---|
| 62 | f.fBgMax = fBgMax;
|
|---|
| 63 | f.fPolynomOrder = fPolynomOrder;
|
|---|
| 64 | f.fCoefficients.Set(fCoefficients.GetSize());
|
|---|
| 65 | f.fCoefficients.Reset();
|
|---|
| 66 |
|
|---|
| 67 | TF1 *fcn = f.fFunc;
|
|---|
| 68 | f.fFunc = new TF1(*fFunc);
|
|---|
| 69 | delete fcn;
|
|---|
| 70 | }
|
|---|
| 71 |
|
|---|
| 72 | void SetSignalIntegralMax(Float_t s) { fSigInt = s; }
|
|---|
| 73 | void SetSignalFitMax(Float_t s) { fSigMax = s; }
|
|---|
| 74 | void SetBackgroundFitMin(Float_t s) { fBgMin = s; }
|
|---|
| 75 | void SetBackgroundFitMax(Float_t s) { fBgMax = s; }
|
|---|
| 76 | void SetPolynomOrder(Int_t s) { fPolynomOrder = s; delete fFunc; fFunc=new TF1 ("", Form("gaus(0) + pol%d(3)", s)); fCoefficients.Set(3+s+1); fCoefficients.Reset(); }
|
|---|
| 77 |
|
|---|
| 78 | Double_t GetEventsExcess() const { return fEventsExcess; }
|
|---|
| 79 | Double_t GetEventsSignal() const { return fEventsSignal; }
|
|---|
| 80 | Double_t GetEventsBackground() const { return fEventsBackground; }
|
|---|
| 81 |
|
|---|
| 82 | Double_t GetSignificance() const { return fSignificance; }
|
|---|
| 83 | Double_t GetChiSqSignal() const { return fChiSqSignal; }
|
|---|
| 84 | Double_t GetChiSqBg() const { return fChiSqBg; }
|
|---|
| 85 |
|
|---|
| 86 | Double_t GetGausSigma() const { return fCoefficients[2]; }
|
|---|
| 87 | Double_t GetGausMu() const { return fCoefficients[1]; }
|
|---|
| 88 | Double_t GetGausA() const { return fCoefficients[0]; }
|
|---|
| 89 | Double_t GetCoefficient(Int_t i) const { return fCoefficients[i]; }
|
|---|
| 90 | const TArrayD &GetCoefficients() const { return fCoefficients; }
|
|---|
| 91 |
|
|---|
| 92 | void PaintResult(Float_t x=0.04, Float_t y=0.94, Float_t size=0.035) const;
|
|---|
| 93 |
|
|---|
| 94 | Bool_t Fit(TH1D &h, Bool_t paint=kFALSE);
|
|---|
| 95 |
|
|---|
| 96 | ClassDef(MAlphaFitter, 1)
|
|---|
| 97 | };
|
|---|
| 98 |
|
|---|
| 99 | #endif
|
|---|
