/usr/include/root/TGLBoxPainter.h is in libroot-graf3d-gl-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Timur Pocheptsov 31/08/2006
/*************************************************************************
* Copyright (C) 1995-2006, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGLBoxPainter
#define ROOT_TGLBoxPainter
#include <vector>
#ifndef ROOT_TGLPlotPainter
#include "TGLPlotPainter.h"
#endif
#ifndef ROOT_TGLQuadric
#include "TGLQuadric.h"
#endif
#ifndef ROOT_TString
#include "TString.h"
#endif
#ifndef ROOT_TGLUtil
#include "TGLUtil.h"
#endif
//TGLScenePad creates box painter
//for the case TPad has poly marker and
//empty TH3 inside.
//Now it's up to box painter to do everything
//correctly.
class TPolyMarker3D;
class TGLPlotCamera;
class TAxis;
class TH1;
class TGLBoxPainter : public TGLPlotPainter {
private:
TGLTH3Slice fXOZSlice;
TGLTH3Slice fYOZSlice;
TGLTH3Slice fXOYSlice;
enum EBoxType {
kBox, //boxes, sizes are proportional to bin content
kBox1 //spheres, not boxes
};
mutable EBoxType fType;
TString fPlotInfo;
Rgl::Range_t fMinMaxVal;
mutable TGLQuadric fQuadric;
const TPolyMarker3D *fPolymarker; //Polymarker from TTree.
std::vector<Double_t> fPMPoints; //Cache for polymarker's points.
TGLBoxPainter(const TGLBoxPainter &);
TGLBoxPainter &operator = (const TGLBoxPainter &);
public:
TGLBoxPainter(TH1 *hist, TGLPlotCamera *camera, TGLPlotCoordinates *coord);
TGLBoxPainter(TH1 *hist, TPolyMarker3D * pm,
TGLPlotCamera *camera, TGLPlotCoordinates *coord);
char *GetPlotInfo(Int_t px, Int_t py);
Bool_t InitGeometry();
void StartPan(Int_t px, Int_t py);
void Pan(Int_t px, Int_t py);
void AddOption(const TString &stringOption);
void ProcessEvent(Int_t event, Int_t px, Int_t py);
private:
//Overriders
void InitGL()const;
void DeInitGL()const;
void DrawPlot()const;
//Special type of TH3:
void DrawCloud()const;
void SetPlotColor()const;
void DrawSectionXOZ()const;
void DrawSectionYOZ()const;
void DrawSectionXOY()const;
void DrawPalette()const;
void DrawPaletteAxis()const;
Bool_t HasSections()const;
ClassDef(TGLBoxPainter, 0)//Box painter
};
#endif
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