1 | #ifndef MARS_MBinning
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2 | #define MARS_MBinning
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3 |
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4 | #ifndef MARS_MParContainer
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5 | #include "MParContainer.h"
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6 | #endif
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7 |
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8 | #ifndef ROOT_TArrayD
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9 | #include <TArrayD.h>
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10 | #endif
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11 |
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12 | class TH1;
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13 | class TAxis;
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14 |
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15 | class MBinning : public MParContainer
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16 | {
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17 | private:
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18 | TArrayD fEdges;
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19 |
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20 | Byte_t fType;
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21 |
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22 | void StreamPrimitive(ofstream &out) const;
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23 |
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24 | enum {
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25 | kIsDefault,
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26 | kIsLinear,
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27 | kIsLogarithmic,
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28 | kIsCosinic,
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29 | kIsUserArray
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30 | };
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31 |
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32 | public:
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33 | MBinning(const char *name=NULL, const char *title=NULL);
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34 | MBinning(Int_t nbins, Axis_t lo, Axis_t hi, const char *name, const char *opt="", const char *title=NULL);
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35 |
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36 | void SetEdges(const TArrayD &arr)
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37 | {
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38 | fEdges = arr;
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39 | fType = kIsUserArray;
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40 | }
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41 |
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42 | void SetEdges(const TAxis &axe);
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43 | void SetEdges(const TH1 &h, const Char_t axis='x');
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44 | void SetEdges(const Int_t nbins, const Axis_t lo, Axis_t up);
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45 | void SetEdges(const Int_t nbins, const Axis_t lo, Axis_t up, const char *opt);
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46 | void SetEdgesLog(const Int_t nbins, const Axis_t lo, Axis_t up);
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47 | void SetEdgesCos(const Int_t nbins, const Axis_t lo, Axis_t up);
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48 |
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49 | Int_t FindLoEdge(Double_t val) const
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50 | {
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51 | if (val<GetEdgeLo() || val>=GetEdgeHi())
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52 | return -1;
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53 |
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54 | for (int i=1; i<fEdges.GetSize(); i++)
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55 | {
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56 | if (((TArrayD)fEdges)[i] >= val)
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57 | return i-1;
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58 | }
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59 | return -1;
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60 | }
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61 | Int_t FindHiEdge(Double_t val) const
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62 | {
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63 | const Int_t i = FindLoEdge(val);
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64 | return i<0 ? -1 : i+1;
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65 | }
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66 |
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67 | // FIXME: ROOT workaround: "operator[] const" missing
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68 | Double_t GetEdgeLo() const { return ((TArrayD)fEdges)[0]; }
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69 | Double_t GetEdgeHi() const { return ((TArrayD)fEdges)[fEdges.GetSize()-1]; }
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70 |
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71 | Int_t GetNumEdges() const { return fEdges.GetSize(); }
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72 | Int_t GetNumBins() const { return fEdges.GetSize()-1; }
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73 |
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74 | Double_t *GetEdges() const { return (Double_t*)fEdges.GetArray(); }
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75 |
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76 | Bool_t IsLinear() const { return fType==kIsLinear; }
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77 | Bool_t IsLogarithmic() const { return fType==kIsLogarithmic; }
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78 | Bool_t IsCosinic() const { return fType==kIsCosinic; }
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79 | Bool_t IsDefault() const { return fType==kIsDefault; }
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80 | Bool_t IsUserArray() const { return fType==kIsUserArray; }
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81 |
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82 | void Apply(TH1 &);
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83 |
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84 | ClassDef(MBinning, 1) //Container to store the binning of a histogram
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85 | };
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86 |
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87 | #endif
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88 |
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