ROOT  6.07/01
Reference Guide
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
TGLH2PolyPainter.h
Go to the documentation of this file.
1 #ifndef ROOT_TGLH2PolyPainter
2 #define ROOT_TGLH2PolyPainter
3 
4 #include <vector>
5 #include <list>
6 
7 #ifndef ROOT_TGLPlotPainter
8 #include "TGLPlotPainter.h"
9 #endif
10 #ifndef ROOT_TGLPadUtils
11 #include "TGLPadUtils.h"
12 #endif
13 #ifndef ROOT_TString
14 #include "TString.h"
15 #endif
16 
17 class TMultiGraph;
18 class TGraph;
19 
21 public:
23 
24  char *GetPlotInfo(Int_t px, Int_t py);
26  void StartPan(Int_t px, Int_t py);
27  void Pan(Int_t px, Int_t py);
28  void AddOption(const TString &stringOption);
29  void ProcessEvent(Int_t event, Int_t px, Int_t py);
30 
31 private:
32  //Overriders
33  void InitGL()const;
34  void DeInitGL()const;
35  void DrawPlot()const;
36  //Aux. functions.
37  //Draw edges of a bin.
38  void DrawExtrusion()const;
39  void DrawExtrusion(const TGraph *polygon, Double_t zMin, Double_t zMax, Int_t nBin)const;
40  void DrawExtrusion(const TMultiGraph *polygon, Double_t zMin, Double_t zMax, Int_t nBin)const;
41 
42  //Draw caps for a bin.
43  typedef std::list<Rgl::Pad::Tesselation_t>::const_iterator CIter_t;
44  void DrawCaps()const;
45  void DrawCap(CIter_t cap, Int_t bin)const;
46  //
51  //Find the color in palette using bin content.
52  void SetBinColor(Int_t bin)const;
53 
54  //Empty overriders.
55  void DrawSectionXOZ()const;
56  void DrawSectionYOZ()const;
57  void DrawSectionXOY()const;
58  void DrawPalette()const;
59  void DrawPaletteAxis()const;
60 
61  //Aux. staff.
62  void FillTemporaryPolygon(const Double_t *xs, const Double_t *ys, Double_t z, Int_t n)const;
63  void MakePolygonCCW()const;
64  Bool_t ClampZ(Double_t &zVal)const;
65 
66  TString fBinInfo; //Used by GetPlotInfo.
67 
68  std::vector<Int_t> fBinColors;
69 
70  mutable std::vector<Double_t> fPolygon; //Temporary array for polygon's vertices.
71  std::list<Rgl::Pad::Tesselation_t> fCaps;//Caps for all bins.
72 
73  Bool_t fZLog;//Change in logZ updates only bin heights.
75 
76  ClassDef(TGLH2PolyPainter, 0); //Painter class for TH2Poly.
77 };
78 
79 #endif
Camera for TGLPlotPainter and sub-classes.
Definition: TGLPlotCamera.h:21
char * GetPlotInfo(Int_t px, Int_t py)
Show number of bin and bin contents, if bin is under the cursor.
void DrawExtrusion() const
Extruded part of bins.
void DrawPlot() const
Draw extruded polygons and plot's frame.
std::vector< Int_t > fBinColors
A TMultiGraph is a collection of TGraph (or derived) objects.
Definition: TMultiGraph.h:37
void DrawSectionXOY() const
No sections.
void InitGL() const
Initialize some gl state variables.
Basic string class.
Definition: TString.h:137
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
void DrawCaps() const
Caps on bins.
void DrawPalette() const
Not yet.
void DrawPaletteAxis() const
Not yet.
Float_t py
Definition: hprod.C:33
TGLH2PolyPainter(TH1 *hist, TGLPlotCamera *camera, TGLPlotCoordinates *coord)
TGLViewer::ECameraType camera
Bool_t CacheGeometry()
Cache all data for TH2Poly object.
void DrawSectionYOZ() const
No sections.
void SetBinColor(Int_t bin) const
Set bin's color.
ClassDef(TGLH2PolyPainter, 0)
std::list< Rgl::Pad::Tesselation_t >::const_iterator CIter_t
Paint TH2Poly.
Float_t z[5]
Definition: Ifit.C:16
Bool_t ClampZ(Double_t &zVal) const
Clamp z value.
Bool_t UpdateGeometry()
Update cap's z-coordinates for all caps.
void StartPan(Int_t px, Int_t py)
User clicks on a lego with middle mouse button (middle for pad).
void AddOption(const TString &stringOption)
No additional options.
Bool_t BuildTesselation(Rgl::Pad::Tesselator &tess, const TGraph *g, Double_t z)
Tesselate a polygon described by TGraph.
Helper class for plot-painters holding information about axis ranges, numbers of bins and flags if ce...
void DrawCap(CIter_t cap, Int_t bin) const
Draw a cap on top of a bin.
void Pan(Int_t px, Int_t py)
Mouse events handler.
Base class for plot-painters that provide GL rendering of various 2D and 3D histograms, functions and parametric surfaces.
void MakePolygonCCW() const
Code taken from the original TH2Poly.
std::vector< Double_t > fPolygon
double Double_t
Definition: RtypesCore.h:55
void DrawSectionXOZ() const
No sections.
Bool_t InitGeometry()
Tesselate polygons, if not done yet.
The TH1 histogram class.
Definition: TH1.h:80
Float_t px
Definition: hprod.C:33
void ProcessEvent(Int_t event, Int_t px, Int_t py)
No events.
void FillTemporaryPolygon(const Double_t *xs, const Double_t *ys, Double_t z, Int_t n) const
Since I probably have to re-orient polygon, I need a temporary polygon.
A Graph is a graphics object made of two arrays X and Y with npoints each.
Definition: TGraph.h:53
std::list< Rgl::Pad::Tesselation_t > fCaps
const Int_t n
Definition: legend1.C:16
void DeInitGL() const
Return some gl states to original values.