Logo ROOT  
Reference Guide
TPie.h
Go to the documentation of this file.
1// @(#)root/graf:$Id$
2// Author: Guido Volpi, Olivier Couet 03/11/2006
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_TPie
13#define ROOT_TPie
14
15#include <TNamed.h>
16#include <TAttText.h>
17#include <TString.h>
18
19class TH1;
20class TPieSlice;
21class TLegend;
22
23class TPie : public TNamed , public TAttText {
24private:
26 void DrawGhost();
27
28 Float_t fSum; ///<!Sum for the slice values
29 Float_t *fSlices; ///<!Subdivisions of the slices
30 TLegend *fLegend; ///<!Legend for this piechart
31
32protected:
33 Double_t fX; ///< X coordinate of the pie centre
34 Double_t fY; ///< Y coordinate of the pie centre
35 Double_t fRadius; ///< Radius Pie radius
36 Double_t fAngularOffset; ///< Offset angular offset for the first slice
37 Float_t fLabelsOffset; ///< LabelsOffset offset of label
38 TString fLabelFormat; ///< Format format of the slices' label
39 TString fValueFormat; ///< Vform numeric format for the value
40 TString fFractionFormat; ///< Rform numeric format for the fraction of a slice
41 TString fPercentFormat; ///< Pfrom numeric format for the percent of a slice
42 Int_t fNvals; ///< Number of elements
43 TPieSlice **fPieSlices; ///<[fNvals] Slice array of this pie-chart
44 Bool_t fIs3D; ///<! true if the pseudo-3d is enabled
45 Double_t fHeight; ///< Height of the slice in pixel
46 Float_t fAngle3D; ///< The angle of the pseudo-3d view
47
48public:
49 TPie();
50 TPie(const char *,const char *, Int_t);
51 TPie(const char *,const char *, Int_t, Double_t *, Int_t *cols = nullptr, const char *lbls[] = nullptr);
52 TPie(const char *,const char *, Int_t, Float_t *, Int_t *cols = nullptr, const char *lbls[] = nullptr);
53 TPie(const TH1 *h);
54 TPie(const TPie&);
55 ~TPie();
56
57 Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
59 void Draw(Option_t *option="l") override; // *MENU*
60 void ExecuteEvent(Int_t,Int_t,Int_t) override;
65 const char* GetEntryLabel(Int_t);
71 const char *GetFractionFormat() { return fFractionFormat.Data(); }
73 const char *GetLabelFormat() { return fLabelFormat.Data(); }
76 Int_t GetEntries() { return fNvals; }
77 const char *GetPercentFormat() { return fPercentFormat.Data(); }
80 const char *GetValueFormat() { return fValueFormat.Data(); }
81 Double_t GetX() { return fX; }
82 Double_t GetY() { return fY; }
83 TLegend *MakeLegend(Double_t x1=.65,Double_t y1=.65,Double_t x2=.95, Double_t y2=.95, const char *leg_header="");
84 void MakeSlices(Bool_t force=kFALSE);
85 void Paint(Option_t *) override;
86 void SavePrimitive(std::ostream &out, Option_t *opts="") override;
87 void SetAngle3D(Float_t val = 30.); // *MENU*
89 void SetCircle(Double_t x=.5, Double_t y=.5, Double_t rad=.4);
90 void SetEntryLabel(Int_t, const char *text="Slice");
98 void SetFillColors(Int_t*);
99 void SetFractionFormat(const char*); // *MENU*
100 void SetHeight(Double_t val=.08); // *MENU*
101 void SetLabelFormat(const char *); // *MENU*
102 void SetLabels(const char *[]);
103 void SetLabelsOffset(Float_t); // *MENU*
104 void SetPercentFormat(const char *); // *MENU*
105 void SetRadius(Double_t); // *MENU*
106 void SetValueFormat(const char *); // *MENU*
107 void SetX(Double_t); // *MENU*
108 void SetY(Double_t); // *MENU*
109 void SortSlices(Bool_t amode=kTRUE,Float_t merge_thresold=.0);
110
111 ClassDefOverride(TPie,1) //Pie chart graphics class
112};
113
114#endif // ROOT_TPie
#define h(i)
Definition: RSha256.hxx:106
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 WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t np
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
Option_t Option_t TPoint TPoint const char x2
Option_t Option_t TPoint TPoint const char x1
Option_t Option_t TPoint TPoint const char y2
Option_t Option_t TPoint TPoint const char text
Option_t Option_t TPoint TPoint const char y1
Text Attributes class.
Definition: TAttText.h:18
TH1 is the base class of all histogram classes in ROOT.
Definition: TH1.h:58
This class displays a legend box (TPaveText) containing several legend entries.
Definition: TLegend.h:23
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
A slice of a piechart, see the TPie class.
Definition: TPieSlice.h:18
Draw a Pie Chart,.
Definition: TPie.h:23
void SetEntryVal(Int_t, Double_t)
Set the value of a slice.
Definition: TPie.cxx:1271
TPieSlice * GetSlice(Int_t i)
Return the reference to the slice of index 'id'.
Definition: TPie.cxx:712
Float_t fLabelsOffset
LabelsOffset offset of label.
Definition: TPie.h:37
Int_t GetEntries()
Definition: TPie.h:76
void SetAngularOffset(Double_t)
Set the global angular offset for slices in degree [0,360].
Definition: TPie.cxx:1186
void Paint(Option_t *) override
Paint a Pie chart in a canvas.
Definition: TPie.cxx:802
Double_t GetEntryVal(Int_t)
Return the value associated with the slice number "i".
Definition: TPie.cxx:694
TString fLabelFormat
Format format of the slices' label.
Definition: TPie.h:38
Float_t * fSlices
!Subdivisions of the slices
Definition: TPie.h:29
void SetX(Double_t)
Set X value.
Definition: TPie.cxx:1384
Double_t fAngularOffset
Offset angular offset for the first slice.
Definition: TPie.h:36
void SortSlices(Bool_t amode=kTRUE, Float_t merge_thresold=.0)
This method, mainly intended for internal use, ordered the slices according their values.
Definition: TPie.cxx:1436
void SetEntryFillStyle(Int_t, Int_t)
Set the fill style for the "i" slice.
Definition: TPie.cxx:1255
TPie()
Default constructor.
Definition: TPie.cxx:63
void SetFractionFormat(const char *)
Set numeric format in the label, is used if the label format there is the modifier frac,...
Definition: TPie.cxx:1329
Float_t fAngle3D
The angle of the pseudo-3d view.
Definition: TPie.h:46
Double_t fHeight
Height of the slice in pixel.
Definition: TPie.h:45
const char * GetPercentFormat()
Definition: TPie.h:77
~TPie()
Destructor.
Definition: TPie.cxx:155
void SetPercentFormat(const char *)
Set the numeric format for the percent value of a slice, default: %3.1f.
Definition: TPie.cxx:1354
void SetLabels(const char *[])
Set the labels for all the slices.
Definition: TPie.cxx:1337
void SetY(Double_t)
Set Y value.
Definition: TPie.cxx:1392
TLegend * GetLegend()
If created before by Paint option or by MakeLegend method return the pointer to the legend,...
Definition: TPie.cxx:703
Bool_t fIs3D
! true if the pseudo-3d is enabled
Definition: TPie.h:44
void Init(Int_t np, Double_t ao, Double_t x, Double_t y, Double_t r)
Common initialization for all constructors.
Definition: TPie.cxx:721
Int_t GetEntryFillColor(Int_t)
Return the color of the slice number "i".
Definition: TPie.cxx:646
void SetLabelsOffset(Float_t)
Set the distance between the label end the external line of the TPie.
Definition: TPie.cxx:1346
void SetEntryRadiusOffset(Int_t, Double_t)
Set the distance, in the direction of the radius of the slice.
Definition: TPie.cxx:1263
Double_t GetAngularOffset()
Definition: TPie.h:62
void DrawGhost()
This method is for internal use.
Definition: TPie.cxx:298
Float_t GetLabelsOffset()
Definition: TPie.h:74
TLegend * fLegend
!Legend for this piechart
Definition: TPie.h:30
void SetLabelFormat(const char *)
This method is used to customize the label format.
Definition: TPie.cxx:1309
Double_t fRadius
Radius Pie radius.
Definition: TPie.h:35
const char * GetFractionFormat()
Definition: TPie.h:71
TPieSlice ** fPieSlices
[fNvals] Slice array of this pie-chart
Definition: TPie.h:43
void ExecuteEvent(Int_t, Int_t, Int_t) override
Execute the mouse events.
Definition: TPie.cxx:394
Int_t DistancetoPrimitive(Int_t px, Int_t py) override
Evaluate the distance to the chart in gPad.
Definition: TPie.cxx:169
void SetEntryLineStyle(Int_t, Int_t)
Set the style for the slice's outline. "i" is the slice number.
Definition: TPie.cxx:1231
void MakeSlices(Bool_t force=kFALSE)
Make the slices.
Definition: TPie.cxx:1401
void SetEntryFillColor(Int_t, Int_t)
Set the color for the slice "i".
Definition: TPie.cxx:1247
void SetEntryLineWidth(Int_t, Int_t)
Set the width of the slice's outline. "i" is the slice number.
Definition: TPie.cxx:1239
const char * GetLabelFormat()
Definition: TPie.h:73
void SetCircle(Double_t x=.5, Double_t y=.5, Double_t rad=.4)
Set the coordinates of the circle that describe the pie:
Definition: TPie.cxx:1203
const char * GetEntryLabel(Int_t)
Returns the label of the entry number "i".
Definition: TPie.cxx:638
TString fValueFormat
Vform numeric format for the value.
Definition: TPie.h:39
Double_t GetX()
Definition: TPie.h:81
TString fFractionFormat
Rform numeric format for the fraction of a slice.
Definition: TPie.h:40
void SetAngle3D(Float_t val=30.)
Set the value of for the pseudo 3D view angle, in degree.
Definition: TPie.cxx:1173
Double_t GetEntryRadiusOffset(Int_t)
Return the radial offset's value for the slice number "i".
Definition: TPie.cxx:686
Int_t GetEntryFillStyle(Int_t)
Return the style use to fill the slice number "i".
Definition: TPie.cxx:654
const char * GetValueFormat()
Definition: TPie.h:80
void SetRadius(Double_t)
Set the pie chart's radius' value.
Definition: TPie.cxx:1362
void SavePrimitive(std::ostream &out, Option_t *opts="") override
Save primitive as a C++ statement(s) on output stream out.
Definition: TPie.cxx:1118
TString fPercentFormat
Pfrom numeric format for the percent of a slice.
Definition: TPie.h:41
TLegend * MakeLegend(Double_t x1=.65, Double_t y1=.65, Double_t x2=.95, Double_t y2=.95, const char *leg_header="")
This method create a legend that explains the contents of the slice for this pie-chart.
Definition: TPie.cxx:768
Int_t fNvals
Number of elements.
Definition: TPie.h:42
Double_t GetHeight()
Definition: TPie.h:72
Int_t DistancetoSlice(Int_t, Int_t)
Returns the slice number at the pixel position (px,py).
Definition: TPie.cxx:189
Int_t GetEntryLineStyle(Int_t)
Return the style used to outline thi "i" slice.
Definition: TPie.cxx:670
Float_t fSum
!Sum for the slice values
Definition: TPie.h:28
Double_t fY
Y coordinate of the pie centre.
Definition: TPie.h:34
void SetEntryLabel(Int_t, const char *text="Slice")
Set slice number "i" label.
Definition: TPie.cxx:1214
Double_t fX
X coordinate of the pie centre.
Definition: TPie.h:33
Double_t GetY()
Definition: TPie.h:82
void SetHeight(Double_t val=.08)
Set the height, in pixel, for the piechart if is drawn using the pseudo-3d mode.
Definition: TPie.cxx:1293
Int_t GetEntryLineWidth(Int_t)
Return the line width used to outline thi "i" slice.
Definition: TPie.cxx:678
Int_t GetEntryLineColor(Int_t)
Return the line color used to outline thi "i" slice.
Definition: TPie.cxx:662
void Draw(Option_t *option="l") override
Draw the pie chart.
Definition: TPie.cxx:275
Float_t GetAngle3D()
Definition: TPie.h:61
void SetValueFormat(const char *)
Set the numeric format the slices' values.
Definition: TPie.cxx:1376
Double_t GetRadius()
Definition: TPie.h:78
void SetEntryLineColor(Int_t, Int_t)
Set the color for the slice's outline. "i" is the slice number.
Definition: TPie.cxx:1223
void SetFillColors(Int_t *)
Set the fill colors for all the TPie's slices.
Definition: TPie.cxx:1281
Basic string class.
Definition: TString.h:136
const char * Data() const
Definition: TString.h:369
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
static constexpr double rad