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Reference Guide
TGaxis.h
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1// @(#)root/graf:$Id$
2// Author: Rene Brun, Olivier Couet 12/12/94
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT_TGaxis
13#define ROOT_TGaxis
14
15#include "TLine.h"
16#include "TAttText.h"
17#include "TString.h"
18
19class TF1;
20class TAxis;
21class TLatex;
22
23class TGaxis : public TLine, public TAttText {
24
25protected:
26
27 Double_t fWmin; ///< Lowest value on the axis
28 Double_t fWmax; ///< Highest value on the axis
29 Float_t fGridLength; ///< Length of the grid in NDC
30 Float_t fTickSize; ///< Size of primary tick mark in NDC
31 Float_t fLabelOffset; ///< Offset of label wrt axis
32 Float_t fLabelSize; ///< Size of labels in NDC
33 Float_t fTitleOffset; ///< Offset of title wrt axis
34 Float_t fTitleSize; ///< Size of title in NDC
35 Int_t fNdiv; ///< Number of divisions
36 Int_t fLabelColor; ///< Color for labels
37 Int_t fLabelFont; ///< Font for labels
38 Int_t fNModLabs; ///< Number of modified labels
39 TString fChopt; ///< Axis options
40 TString fName; ///< Axis name
41 TString fTitle; ///< Axis title
42 TString fTimeFormat; ///< Time format, ex: 09/12/99 12:34:00
43 TString fFunctionName; ///< Name of mapping function pointed by fFunction
44 TF1 *fFunction; ///<! Pointer to function computing axis values
45 TAxis *fAxis; ///<! Pointer to original TAxis axis (if any)
46 TList *fModLabs; ///< List of modified labels.
47
48 static Int_t fgMaxDigits; ///<! Number of digits above which the 10>N notation is used
49 static Float_t fXAxisExpXOffset; ///<! Exponent X offset for the X axis
50 static Float_t fXAxisExpYOffset; ///<! Exponent Y offset for the X axis
51 static Float_t fYAxisExpXOffset; ///<! Exponent X offset for the Y axis
52 static Float_t fYAxisExpYOffset; ///<! Exponent Y offset for the Y axis
53
54 TGaxis(const TGaxis&);
55 TGaxis& operator=(const TGaxis&);
56
57 Bool_t IsOwnedModLabs() const;
58 void CleanupModLabs();
59
60public:
61
62 TGaxis();
64 Double_t wmin,Double_t wmax,Int_t ndiv=510, Option_t *chopt="",
65 Double_t gridlength = 0);
67 const char *funcname, Int_t ndiv=510, Option_t *chopt="",
68 Double_t gridlength = 0);
69 virtual ~TGaxis();
70
71 virtual void AdjustBinSize(Double_t A1, Double_t A2, Int_t nold
72 ,Double_t &BinLow, Double_t &BinHigh, Int_t &nbins, Double_t &BinWidth);
73 virtual void CenterLabels(Bool_t center=kTRUE);
74 virtual void CenterTitle(Bool_t center=kTRUE);
75 void ChangeLabelAttributes(Int_t i, Int_t nlabels, TLatex* t, char* c);
77 Double_t wmin,Double_t wmax,Int_t ndiv=510, Option_t *chopt="",
78 Double_t gridlength = 0);
80 TF1 *GetFunction() const {return fFunction;}
82 Int_t GetLabelFont() const {return fLabelFont;}
87 const char *GetName() const override {return fName.Data();}
88 const char *GetOption() const override {return fChopt.Data();}
89 const char *GetTitle() const override {return fTitle.Data();}
90 static Int_t GetMaxDigits();
91 Int_t GetNdiv() const {return fNdiv;}
92 Double_t GetWmin() const {return fWmin;}
93 Double_t GetWmax() const {return fWmax;}
94 Float_t GetTickSize() const {return fTickSize;}
95 virtual void ImportAxisAttributes(TAxis *axis);
96 void LabelsLimits(const char *label, Int_t &first, Int_t &last);
97 void Paint(Option_t *chopt="") override;
99 Double_t &wmin,Double_t &wmax,Int_t &ndiv, Option_t *chopt="",
100 Double_t gridlength = 0, Bool_t drawGridOnly = kFALSE);
101 virtual void Rotate(Double_t X, Double_t Y, Double_t CFI, Double_t SFI
102 ,Double_t XT, Double_t YT, Double_t &U, Double_t &V);
104 void SavePrimitive(std::ostream &out, Option_t *option = "") override;
105 void SetFunction(const char *funcname="");
106 void SetOption(Option_t *option="");
107 void SetLabelColor(Int_t labelcolor) {fLabelColor = labelcolor;} // *MENU*
108 void SetLabelFont(Int_t labelfont) {fLabelFont = labelfont;} // *MENU*
109 void SetLabelOffset(Float_t labeloffset) {fLabelOffset = labeloffset;} // *MENU*
110 void SetLabelSize(Float_t labelsize) {fLabelSize = labelsize;} // *MENU*
111 void ChangeLabel(Int_t labNum=0, Double_t labAngle = -1.,
112 Double_t labSize = -1., Int_t labAlign = -1,
113 Int_t labColor = -1 , Int_t labFont = -1,
114 TString labText = ""); // *MENU*
115 static void SetMaxDigits(Int_t maxd=5);
116 virtual void SetName(const char *name); // *MENU*
117 virtual void SetNdivisions(Int_t ndiv) {fNdiv = ndiv;} // *MENU*
118 virtual void SetMoreLogLabels(Bool_t more=kTRUE); // *MENU*
119 virtual void SetNoExponent(Bool_t noExponent=kTRUE); // *MENU*
120 virtual void SetDecimals(Bool_t dot=kTRUE); // *MENU*
121 void SetTickSize(Float_t ticksize) {fTickSize = ticksize;} // *MENU*
122 void SetTickLength(Float_t ticklength) {SetTickSize(ticklength);}
123 void SetGridLength(Float_t gridlength) {fGridLength = gridlength;}
124 void SetTimeFormat(const char *tformat);
125 void SetTimeOffset(Double_t toffset, Option_t *option="local");
126 virtual void SetTitle(const char *title=""); // *MENU*
127 void SetTitleOffset(Float_t titleoffset=1) {fTitleOffset = titleoffset;} // *MENU*
128 void SetTitleSize(Float_t titlesize) {fTitleSize = titlesize;} // *MENU*
129 void SetTitleFont(Int_t titlefont) {SetTextFont(titlefont);} // *MENU*
130 void SetTitleColor(Int_t titlecolor) {SetTextColor(titlecolor);} // *MENU*
133 static void SetExponentOffset(Float_t xoff=0., Float_t yoff=0., Option_t *axis="xy");
134
135 ClassDefOverride(TGaxis,6) //Graphics axis
136};
137
138#endif
#define c(i)
Definition: RSha256.hxx:101
bool Bool_t
Definition: RtypesCore.h:63
int Int_t
Definition: RtypesCore.h:45
const Bool_t kFALSE
Definition: RtypesCore.h:101
float Float_t
Definition: RtypesCore.h:57
double Double_t
Definition: RtypesCore.h:59
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDefOverride(name, id)
Definition: Rtypes.h:339
Option_t Option_t option
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t wmin
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t wmax
char name[80]
Definition: TGX11.cxx:110
float xmin
Definition: THbookFile.cxx:95
float ymin
Definition: THbookFile.cxx:95
float xmax
Definition: THbookFile.cxx:95
float ymax
Definition: THbookFile.cxx:95
Text Attributes class.
Definition: TAttText.h:18
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Definition: TAttText.h:44
virtual void SetTextFont(Font_t tfont=62)
Set the text font.
Definition: TAttText.h:46
Class to manage histogram axis.
Definition: TAxis.h:30
1-Dim function class
Definition: TF1.h:213
The axis painter class.
Definition: TGaxis.h:23
static Int_t fgMaxDigits
! Number of digits above which the 10>N notation is used
Definition: TGaxis.h:48
virtual void SetNoExponent(Bool_t noExponent=kTRUE)
Set the NoExponent flag.
Definition: TGaxis.cxx:2819
void SetTimeFormat(const char *tformat)
Change the format used for time plotting.
Definition: TGaxis.cxx:2863
virtual void PaintAxis(Double_t xmin, Double_t ymin, Double_t xmax, Double_t ymax, Double_t &wmin, Double_t &wmax, Int_t &ndiv, Option_t *chopt="", Double_t gridlength=0, Bool_t drawGridOnly=kFALSE)
Control function to draw an axis.
Definition: TGaxis.cxx:1013
static Float_t fYAxisExpYOffset
! Exponent Y offset for the Y axis
Definition: TGaxis.h:52
TGaxis()
TGaxis default constructor.
Definition: TGaxis.cxx:699
void SetTitleOffset(Float_t titleoffset=1)
Definition: TGaxis.h:127
Float_t fTitleSize
Size of title in NDC.
Definition: TGaxis.h:34
Float_t GetGridLength() const
Definition: TGaxis.h:79
void SetLabelFont(Int_t labelfont)
Definition: TGaxis.h:108
void SetTitleSize(Float_t titlesize)
Definition: TGaxis.h:128
Double_t GetWmin() const
Definition: TGaxis.h:92
Float_t fTitleOffset
Offset of title wrt axis.
Definition: TGaxis.h:33
const char * GetOption() const override
Definition: TGaxis.h:88
TString fTitle
Axis title.
Definition: TGaxis.h:41
Int_t fLabelFont
Font for labels.
Definition: TGaxis.h:37
void SetTitleFont(Int_t titlefont)
Definition: TGaxis.h:129
virtual void SetTitle(const char *title="")
Change the title of the axis.
Definition: TGaxis.cxx:2836
Int_t fLabelColor
Color for labels.
Definition: TGaxis.h:36
TAxis * fAxis
! Pointer to original TAxis axis (if any)
Definition: TGaxis.h:45
TString fTimeFormat
Time format, ex: 09/12/99 12:34:00.
Definition: TGaxis.h:42
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save primitive as a C++ statement(s) on output stream out.
Definition: TGaxis.cxx:2550
TString fFunctionName
Name of mapping function pointed by fFunction.
Definition: TGaxis.h:43
void SetLabelOffset(Float_t labeloffset)
Definition: TGaxis.h:109
virtual void Rotate(Double_t X, Double_t Y, Double_t CFI, Double_t SFI, Double_t XT, Double_t YT, Double_t &U, Double_t &V)
Internal method to rotate axis coordinates.
Definition: TGaxis.cxx:2540
Float_t GetLabelOffset() const
Definition: TGaxis.h:83
void SetTimeOffset(Double_t toffset, Option_t *option="local")
Change the time offset. If option = "gmt", set display mode to GMT.
Definition: TGaxis.cxx:2887
Float_t fTickSize
Size of primary tick mark in NDC.
Definition: TGaxis.h:30
static Float_t fYAxisExpXOffset
! Exponent X offset for the Y axis
Definition: TGaxis.h:51
TF1 * GetFunction() const
Definition: TGaxis.h:80
virtual void ImportAxisAttributes(TAxis *axis)
Internal method to import TAxis attributes to this TGaxis.
Definition: TGaxis.cxx:961
Int_t GetLabelFont() const
Definition: TGaxis.h:82
Float_t fLabelOffset
Offset of label wrt axis.
Definition: TGaxis.h:31
static Float_t fXAxisExpYOffset
! Exponent Y offset for the X axis
Definition: TGaxis.h:50
static void SetMaxDigits(Int_t maxd=5)
Static function to set fgMaxDigits for axis.
Definition: TGaxis.cxx:2789
Float_t fLabelSize
Size of labels in NDC.
Definition: TGaxis.h:32
Int_t fNdiv
Number of divisions.
Definition: TGaxis.h:35
void SetGridLength(Float_t gridlength)
Definition: TGaxis.h:123
void ChangeLabelAttributes(Int_t i, Int_t nlabels, TLatex *t, char *c)
Helper method used by TGaxis::ChangeLabel.
Definition: TGaxis.cxx:2733
const char * GetTitle() const override
Returns title of object.
Definition: TGaxis.h:89
TString fChopt
Axis options.
Definition: TGaxis.h:39
TGaxis & operator=(const TGaxis &)
Assignment operator.
Definition: TGaxis.cxx:833
TString fName
Axis name.
Definition: TGaxis.h:40
Float_t GetTitleOffset() const
Definition: TGaxis.h:85
TF1 * fFunction
! Pointer to function computing axis values
Definition: TGaxis.h:44
virtual void SetNdivisions(Int_t ndiv)
Definition: TGaxis.h:117
void SetWmax(Double_t wmax)
Definition: TGaxis.h:132
void ChangeLabel(Int_t labNum=0, Double_t labAngle=-1., Double_t labSize=-1., Int_t labAlign=-1, Int_t labColor=-1, Int_t labFont=-1, TString labText="")
Define new text attributes for the label number "labNum".
Definition: TGaxis.cxx:2684
Float_t GetTitleSize() const
Definition: TGaxis.h:86
static Int_t GetMaxDigits()
Static function returning fgMaxDigits (See SetMaxDigits).
Definition: TGaxis.cxx:952
virtual void CenterLabels(Bool_t center=kTRUE)
If center = kTRUE axis labels are centered in the center of the bin.
Definition: TGaxis.cxx:901
const char * GetName() const override
Returns name of object.
Definition: TGaxis.h:87
void SetLabelColor(Int_t labelcolor)
Definition: TGaxis.h:107
virtual void AdjustBinSize(Double_t A1, Double_t A2, Int_t nold, Double_t &BinLow, Double_t &BinHigh, Int_t &nbins, Double_t &BinWidth)
Internal method for axis labels optimisation.
Definition: TGaxis.cxx:2493
void SetTickLength(Float_t ticklength)
Definition: TGaxis.h:122
Float_t fGridLength
Length of the grid in NDC.
Definition: TGaxis.h:29
Int_t GetLabelColor() const
Definition: TGaxis.h:81
virtual void SetDecimals(Bool_t dot=kTRUE)
Set the decimals flag.
Definition: TGaxis.cxx:2616
virtual void CenterTitle(Bool_t center=kTRUE)
If center = kTRUE axis title will be centered. The default is right adjusted.
Definition: TGaxis.cxx:911
void SetTitleColor(Int_t titlecolor)
Definition: TGaxis.h:130
virtual ~TGaxis()
TGaxis default destructor.
Definition: TGaxis.cxx:866
TList * fModLabs
List of modified labels.
Definition: TGaxis.h:46
void CleanupModLabs()
Correctly cleanup fModLabs - delete content when owned by TGaxis.
Definition: TGaxis.cxx:886
Double_t fWmax
Highest value on the axis.
Definition: TGaxis.h:28
Float_t GetTickSize() const
Definition: TGaxis.h:94
virtual TGaxis * DrawAxis(Double_t xmin, Double_t ymin, Double_t xmax, Double_t ymax, Double_t wmin, Double_t wmax, Int_t ndiv=510, Option_t *chopt="", Double_t gridlength=0)
Draw this axis with new attributes.
Definition: TGaxis.cxx:921
virtual void SetMoreLogLabels(Bool_t more=kTRUE)
Set the kMoreLogLabels bit flag.
Definition: TGaxis.cxx:2808
void SetWmin(Double_t wmin)
Definition: TGaxis.h:131
void SetTickSize(Float_t ticksize)
Definition: TGaxis.h:121
Int_t GetNdiv() const
Definition: TGaxis.h:91
void Paint(Option_t *chopt="") override
Draw this axis with its current attributes.
Definition: TGaxis.cxx:992
Int_t fNModLabs
Number of modified labels.
Definition: TGaxis.h:38
Double_t fWmin
Lowest value on the axis.
Definition: TGaxis.h:27
void SetLabelSize(Float_t labelsize)
Definition: TGaxis.h:110
void SetFunction(const char *funcname="")
Specify a function to map the axis values.
Definition: TGaxis.cxx:2625
static Float_t fXAxisExpXOffset
! Exponent X offset for the X axis
Definition: TGaxis.h:49
virtual void SetName(const char *name)
Change the name of the axis.
Definition: TGaxis.cxx:2798
static void SetExponentOffset(Float_t xoff=0., Float_t yoff=0., Option_t *axis="xy")
Static function to set X and Y offset of the axis 10^n notation.
Definition: TGaxis.cxx:2928
void LabelsLimits(const char *label, Int_t &first, Int_t &last)
Internal method to find first and last character of a label.
Definition: TGaxis.cxx:2528
Double_t GetWmax() const
Definition: TGaxis.h:93
Bool_t IsOwnedModLabs() const
Returns kTRUE when fModLabs owned by TGaxis and should be cleaned up.
Definition: TGaxis.cxx:874
void ResetLabelAttributes(TLatex *t)
Helper method used by TGaxis::ChangeLabel.
Definition: TGaxis.cxx:2769
Float_t GetLabelSize() const
Definition: TGaxis.h:84
void SetOption(Option_t *option="")
To set axis options.
Definition: TGaxis.cxx:2828
To draw Mathematical Formula.
Definition: TLatex.h:18
Use the TLine constructor to create a simple line.
Definition: TLine.h:22
A doubly linked list.
Definition: TList.h:38
Basic string class.
Definition: TString.h:136
const char * Data() const
Definition: TString.h:369
Definition: first.py:1