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glbox.C
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1/// \file
2/// \ingroup tutorial_gl
3/// Display a 3D histogram using GL (box option).
4///
5/// \macro_image(nobatch)
6/// \macro_code
7///
8/// \author Timur Pocheptsov
9
10void glbox()
11{
13 TCanvas *c = new TCanvas("glbox","TH3 Drawing", 100, 10, 850, 400);
14 TPaveLabel *title = new TPaveLabel(0.04, 0.86, 0.96, 0.98,
15 "\"glbox\" and \"glbox1\" options for TH3.");
16 title->SetFillColor(32);
17 title->Draw();
18
19 TPad *boxPad = new TPad("box", "box", 0.02, 0.02, 0.48, 0.82);
20 TPad *box1Pad = new TPad("box1", "box1", 0.52, 0.02, 0.98, 0.82);
21 boxPad->Draw();
22 box1Pad->Draw();
23
24 TH3F *h31 = new TH3F("h31", "h31", 10, -1, 1, 10, -1, 1, 10, -1, 1);
25 TF3 * gxy = new TF3("gaus2","xygaus");
26 gxy->SetParameters(1,0,1,0,0.3);
27 h31->FillRandom("gaus2");
28 h31->SetFillColor(2);
29 boxPad->cd();
30 h31->Draw("glbox");
31
32 TH3F *h32 = new TH3F("h32", "h32", 10, -2, 2, 10, -1, 1, 10, -3, 3);
33 TF3 * g3 = new TF3("gaus3","xyzgaus");
34 g3->SetParameters(1,0,1,0,1,0,1);
35 h32->FillRandom("gaus3");
36 h32->SetFillColor(4);
37 box1Pad->cd();
38 h32->Draw("glbox1");
39}
#define c(i)
Definition RSha256.hxx:101
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
R__EXTERN TStyle * gStyle
Definition TStyle.h:433
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition TAttFill.h:37
The Canvas class.
Definition TCanvas.h:23
virtual void SetParameters(const Double_t *params)
Definition TF1.h:650
A 3-Dim function with parameters.
Definition TF3.h:28
void Draw(Option_t *option="") override
Draw this histogram with options.
Definition TH1.cxx:3067
3-D histogram with a float per channel (see TH1 documentation)}
Definition TH3.h:268
void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr) override
Fill histogram following distribution in function fname.
Definition TH3.cxx:791
The most important graphics class in the ROOT system.
Definition TPad.h:28
TVirtualPad * cd(Int_t subpadnumber=0) override
Set Current pad.
Definition TPad.cxx:597
void Draw(Option_t *option="") override
Draw Pad in Current pad (re-parent pad if necessary).
Definition TPad.cxx:1268
A Pave (see TPave) with a text centered in the Pave.
Definition TPaveLabel.h:20
void Draw(Option_t *option="") override
Draw this pavelabel with its current attributes.
void SetCanvasPreferGL(Bool_t prefer=kTRUE)
Definition TStyle.h:339