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Reference Guide
TSpider.h
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1 // @(#)root/treeviewer:$Id$
2 // Author: Bastien Dalla Piazza 20/07/07
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2007, 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_TSpider
13 #define ROOT_TSpider
14 
15 //////////////////////////////////////////////////////////////////////////
16 // //
17 // TSpider //
18 // //
19 // TSpider is a manager used to paint a spider view //
20 // of the events of a TNtuple. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #include "TObject.h"
25 
26 #include "TAttFill.h"
27 
28 #include "TAttLine.h"
29 
30 #include "TAttText.h"
31 
32 class TTree;
33 class TGraphPolargram;
34 class TPolyLine;
35 class TTreeFormula;
37 class TList;
38 class TSelectorDraw;
39 class TString;
40 class TLatex;
41 class TCanvas;
42 class TArc;
43 
44 class TSpider : public TObject, public TAttFill, public TAttLine {
45 private:
46  UInt_t fNx; // Number of horizontal spider plots.
47  UInt_t fNy; // Number of vertical spider plots.
48  UInt_t fNcols; // Number of variables.
49  Int_t fArraySize; // Actual size of the arrays.
50  Long64_t fEntry; // Present entry number in fTree.
51  Long64_t fNentries; // Number of entries.
52  Long64_t fFirstEntry; // First entry.
53  Long64_t* fCurrentEntries; //![fNx*fNy] current selected entries;
54  Double_t* fAve; //[fNcols] Average value of each variable.
55  Double_t* fMax; //[fNcols] Maximum value of the variables.
56  Double_t* fMin; //[fNcols] Minimum value of the variables.
57  TList* fSuperposed; // Superposed spider plots.
58  TTree* fTree; // Pointer to the TTree to represent.
59  TPolyLine* fAveragePoly; // Polygon representing the average variables value.
60  TArc** fAverageSlices; //! Average slices.
61  TCanvas* fCanvas; //! Pointer to the mother pad.
62  TList* fFormulas; // List of all formulas to represent.
63  TList* fInput; // Used for fSelector.
64  TTreeFormulaManager* fManager; // Coordinator for the formulas.
65  TGraphPolargram* fPolargram; // Polar graph.
66  TList* fPolyList; // Polygons representing the variables.
67  TTreeFormula* fSelect; // Selection condition
68  TSelectorDraw* fSelector; //! Selector.
69  Bool_t fAngularLabels; // True if the labels are oriented according to their axis.
70  Bool_t fDisplayAverage; // Display or not the average.
71  Bool_t fForceDim; // Force dimension.
72  Bool_t fSegmentDisplay; // True if displaying a segment plot.
73  Bool_t fShowRange; // Show range of variables or not.
74 
77  void InitVariables(Long64_t firstentry, Long64_t nentries);
78  void DrawPoly(Option_t* options);
79  void DrawPolyAverage(Option_t* options);
80  void DrawSlices(Option_t* options);
81  void DrawSlicesAverage(Option_t* options);
82  void SyncFormulas();
83  void InitArrays(Int_t newsize);
84  void SetCurrentEntries();
85  void UpdateView();
86 
87 public:
88  TSpider();
89  TSpider(TTree* tree, const char *varexp, const char *selection, Option_t *option="",
90  Long64_t nentries=0, Long64_t firstentry=0);
91  ~TSpider();
92  void AddSuperposed(TSpider* sp);
93  void AddVariable(const char* varexp); // *MENU*
94  void DeleteVariable(const char* varexp); // *MENU*
95  virtual void Draw(Option_t *options="");
96  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
97  virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
104  Long64_t GetCurrentEntry() const {return fEntry;}
106  Int_t GetNx() const {return fNx;}
107  Int_t GetNy() const {return fNy;}
109  void GotoEntry(Long64_t e); // *MENU*
110  void GotoNext(); // *MENU*
111  void GotoPrevious(); // *MENU*
112  void GotoFollowing(); // *MENU*
113  void GotoPreceding(); // *MENU*
114  virtual void Paint(Option_t *options);
115  void SetAverageLineStyle(Style_t sty);
116  void SetAverageLineColor(Color_t col);
117  void SetAverageLineWidth(Width_t wid);
118  void SetAverageFillColor(Color_t col);
119  void SetAverageFillStyle(Style_t sty);
120  virtual void SetLineStyle(Style_t sty);
121  virtual void SetLineColor(Color_t col);
122  virtual void SetLineWidth(Width_t wid);
123  virtual void SetFillColor(Color_t col);
124  virtual void SetFillStyle(Style_t sty);
125  void SetDisplayAverage(Bool_t disp); // *TOGGLE*
126  void SetVariablesExpression(const char* varexp);
127  void SetNdivRadial(Int_t div); // *MENU*
128  void SetNx(UInt_t nx); // *MENU*
129  void SetNy(UInt_t ny); // *MENU*
130  void SetSelectionExpression(const char* selexp);
131  void SetSegmentDisplay(Bool_t seg); // *TOGGLE*
132  void SetShowRange(Bool_t showrange) {fShowRange = showrange;}
133  void SuperposeTo(TSpider* sp) {sp->AddSuperposed(this);}
134 
135  ClassDef(TSpider,0) //Helper class to draw spider
136 };
137 
138 #endif
virtual void SetLineColor(Color_t col)
Set lin color.
Definition: TSpider.cxx:1152
void DrawPoly(Option_t *options)
Paint the polygon representing the current entry.
Definition: TSpider.cxx:529
Double_t * fMax
Definition: TSpider.h:55
TTree * fTree
Definition: TSpider.h:58
void SetAverageLineStyle(Style_t sty)
Set the LineStyle of the average.
Definition: TSpider.cxx:964
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute the distance to the spider.
Definition: TSpider.cxx:438
long long Long64_t
Definition: RtypesCore.h:69
Long64_t fEntry
Definition: TSpider.h:50
void GotoPrevious()
Go to the previous entries.
Definition: TSpider.cxx:763
TList * fFormulas
Pointer to the mother pad.
Definition: TSpider.h:62
short Style_t
Definition: RtypesCore.h:76
void SetShowRange(Bool_t showrange)
Definition: TSpider.h:132
const char Option_t
Definition: RtypesCore.h:62
Int_t FindTextAlign(Double_t theta)
Find the alignement rule to apply for TText::SetTextAlign(Short_t).
Definition: TSpider.cxx:675
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute the corresponding event.
Definition: TSpider.cxx:666
Style_t GetAverageFillStyle() const
Get the FillStyle of the average.
Definition: TSpider.cxx:656
void SuperposeTo(TSpider *sp)
Definition: TSpider.h:133
Bool_t fSegmentDisplay
Definition: TSpider.h:72
void SetSegmentDisplay(Bool_t seg)
Set the segment display or not.
Definition: TSpider.cxx:1379
virtual void SetLineWidth(Width_t wid)
Set line width.
Definition: TSpider.cxx:1168
void InitVariables(Long64_t firstentry, Long64_t nentries)
Browse the tree to set the min, max and average value of each variable of fVar.
Definition: TSpider.cxx:831
void DrawSlicesAverage(Option_t *options)
Draw the slices representing the average for the segment plot.
Definition: TSpider.cxx:585
Long64_t * fCurrentEntries
Definition: TSpider.h:53
UInt_t fNx
Definition: TSpider.h:46
Basic string class.
Definition: TString.h:125
~TSpider()
Destructor.
Definition: TSpider.cxx:173
Bool_t GetDisplayAverage() const
Definition: TSpider.h:103
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
TArc ** fAverageSlices
Definition: TSpider.h:60
Bool_t fForceDim
Definition: TSpider.h:71
Color_t GetAverageFillColor() const
Get the Fill Color of the average.
Definition: TSpider.cxx:646
TList * fInput
Definition: TSpider.h:63
Long64_t fNentries
Definition: TSpider.h:51
void GotoNext()
Go to the next entries.
Definition: TSpider.cxx:753
void UpdateView()
Update the polylines or the arcs for the current entries.
Definition: TSpider.cxx:1553
Bool_t fShowRange
Definition: TSpider.h:73
void DeleteVariable(const char *varexp)
Delete a variable from its expression.
Definition: TSpider.cxx:352
TList * fPolyList
Definition: TSpider.h:66
TCanvas * fCanvas
Average slices.
Definition: TSpider.h:61
Style_t GetAverageLineStyle() const
Get the LineStyle of the average.
Definition: TSpider.cxx:616
Fill Area Attributes class.
Definition: TAttFill.h:19
Used to coordinate one or more TTreeFormula objects.
#define ClassDef(name, id)
Definition: Rtypes.h:320
Long64_t fFirstEntry
Definition: TSpider.h:52
void SetNdivRadial(Int_t div)
Set number of radial divisions.
Definition: TSpider.cxx:1216
To draw Mathematical Formula.
Definition: TLatex.h:18
virtual void Paint(Option_t *options)
Paint the spider.
Definition: TSpider.cxx:917
void SetNx(UInt_t nx)
Set the X number of sub pads.
Definition: TSpider.cxx:1225
virtual void SetFillColor(Color_t col)
Set fill color.
Definition: TSpider.cxx:1184
Bool_t fDisplayAverage
Definition: TSpider.h:70
short Color_t
Definition: RtypesCore.h:79
Used to pass a selection expression to the Tree drawing routine.
Definition: TTreeFormula.h:58
virtual void SetFillStyle(Style_t sty)
Set fill style.
Definition: TSpider.cxx:1200
A doubly linked list.
Definition: TList.h:44
void SetAverageLineWidth(Width_t wid)
Set the LineWidth of the average.
Definition: TSpider.cxx:988
Create an Arc.
Definition: TArc.h:28
Double_t * fAve
[fNx*fNy] current selected entries;
Definition: TSpider.h:54
void InitArrays(Int_t newsize)
Check if the arrays size is enough and reallocate them if not.
Definition: TSpider.cxx:793
unsigned int UInt_t
Definition: RtypesCore.h:42
void SetNy(UInt_t ny)
Set the Y number of sub pads.
Definition: TSpider.cxx:1302
TPolyLine * fAveragePoly
Definition: TSpider.h:59
To draw polar axis.
void SetVariablesExpression(const char *varexp)
Compile the variables expression from the given string varexp.
Definition: TSpider.cxx:1483
void SetAverageFillColor(Color_t col)
Set the Fill Color of the average.
Definition: TSpider.cxx:1000
Double_t * fMin
Definition: TSpider.h:56
TTreeFormula * fSelect
Definition: TSpider.h:67
A specialized TSelector for TTree::Draw.
Definition: TSelectorDraw.h:31
short Width_t
Definition: RtypesCore.h:78
Width_t GetAverageLineWidth() const
Get the LineWidth of the average.
Definition: TSpider.cxx:636
Bool_t fAngularLabels
Selector.
Definition: TSpider.h:69
void SetAverageFillStyle(Style_t sty)
Set the FillStyle of the average.
Definition: TSpider.cxx:1012
The Canvas class.
Definition: TCanvas.h:31
Long64_t GetCurrentEntry() const
Definition: TSpider.h:104
double Double_t
Definition: RtypesCore.h:55
TGraphPolargram * fPolargram
Definition: TSpider.h:65
void GotoFollowing()
Go to the next entry.
Definition: TSpider.cxx:773
Bool_t GetSegmentDisplay() const
Definition: TSpider.h:108
int nentries
Definition: THbookFile.cxx:89
virtual void Draw(Option_t *options="")
Draw the spider.
Definition: TSpider.cxx:453
you should not use this method at all Int_t Int_t Double_t Double_t Double_t e
Definition: TRolke.cxx:630
void SetDisplayAverage(Bool_t disp)
Display or not the average.
Definition: TSpider.cxx:1024
void SyncFormulas()
Create a TreeFormulaManager to coordinate the formulas.
Definition: TSpider.cxx:1521
void GotoPreceding()
Go to the last entry.
Definition: TSpider.cxx:783
UInt_t fNy
Definition: TSpider.h:47
virtual void SetLineStyle(Style_t sty)
Set line style.
Definition: TSpider.cxx:1136
void AddSuperposed(TSpider *sp)
Allow to superpose several spider views.
Definition: TSpider.cxx:205
TList * fSuperposed
Definition: TSpider.h:57
TTreeFormulaManager * fManager
Definition: TSpider.h:64
Mother of all ROOT objects.
Definition: TObject.h:37
Color_t GetAverageLineColor() const
Get the LineColor of the average.
Definition: TSpider.cxx:626
void DrawSlices(Option_t *options)
Draw the slices of the segment plot.
Definition: TSpider.cxx:559
Long64_t GetEntriesToProcess(Long64_t firstentry, Long64_t nentries) const
return the number of entries to be processed this function checks that nentries is not bigger than th...
Definition: TSpider.cxx:726
void AddVariable(const char *varexp)
Add a variable to the plot from its expression.
Definition: TSpider.cxx:214
Int_t GetNx() const
Definition: TSpider.h:106
Spider class.
Definition: TSpider.h:44
UInt_t fNcols
Definition: TSpider.h:48
Defined by an array on N points in a 2-D space.
Definition: TPolyLine.h:23
Definition: tree.py:1
Int_t GetNy() const
Definition: TSpider.h:107
A TTree object has a header with a name and a title.
Definition: TTree.h:70
TSpider()
Default constructor.
Definition: TSpider.cxx:75
Double_t FindTextAngle(Double_t theta)
Determine the orientation of the polar labels according to their angle.
Definition: TSpider.cxx:704
Int_t fArraySize
Definition: TSpider.h:49
void GotoEntry(Long64_t e)
Go to a specified entry.
Definition: TSpider.cxx:743
Line Attributes class.
Definition: TAttLine.h:18
void SetCurrentEntries()
Set the current selected entries.
Definition: TSpider.cxx:1066
void SetAverageLineColor(Color_t col)
Set the LineColor of the average.
Definition: TSpider.cxx:976
TSelectorDraw * fSelector
Definition: TSpider.h:68
void DrawPolyAverage(Option_t *options)
Paint the Polygon representing the average value of the variables.
Definition: TSpider.cxx:491
void SetSelectionExpression(const char *selexp)
Compile selection expression if there is one.
Definition: TSpider.cxx:1470