doc/v628/glbox_8C.html

void glbox()

{

   gStyle->SetCanvasPreferGL(kTRUE);

   TCanvas *c        = new TCanvas("glbox","TH3 Drawing", 100, 10, 850, 400);

   TPaveLabel *title = new TPaveLabel(0.04, 0.86, 0.96, 0.98,

                           "\"glbox\" and \"glbox1\" options for TH3.");

   title->SetFillColor(32);

   title->Draw();


   TPad *boxPad  = new TPad("box", "box", 0.02, 0.02, 0.48, 0.82);

   TPad *box1Pad = new TPad("box1", "box1", 0.52, 0.02, 0.98, 0.82);

   boxPad->Draw();

   box1Pad->Draw();


   TH3F *h31 = new TH3F("h31", "h31", 10, -1, 1, 10, -1, 1, 10, -1, 1);

   TF3 * gxy = new TF3("gaus2","xygaus");

   gxy->SetParameters(1,0,1,0,0.3);

   h31->FillRandom("gaus2");

   h31->SetFillColor(2);

   boxPad->cd();

   h31->Draw("glbox");


   TH3F *h32 = new TH3F("h32", "h32", 10, -2, 2, 10, -1, 1, 10, -3, 3);

   TF3 * g3 = new TF3("gaus3","xyzgaus");

   g3->SetParameters(1,0,1,0,1,0,1);

   h32->FillRandom("gaus3");

   h32->SetFillColor(4);

   box1Pad->cd();

   h32->Draw("glbox1");

}

c
#define c(i)
Definition RSha256.hxx:101

kTRUE
constexpr Bool_t kTRUE
Definition RtypesCore.h:100

gStyle
R__EXTERN TStyle * gStyle
Definition TStyle.h:414

TAttFill::SetFillColor
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition TAttFill.h:37

TCanvas
The Canvas class.
Definition TCanvas.h:23

TF1::SetParameters
virtual void SetParameters(const Double_t *params)
Definition TF1.h:649

TF3
A 3-Dim function with parameters.
Definition TF3.h:28

TH1::Draw
void Draw(Option_t *option="") override
Draw this histogram with options.
Definition TH1.cxx:3060

TH3F
3-D histogram with a float per channel (see TH1 documentation)}
Definition TH3.h:268

TH3::FillRandom
void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr) override
Fill histogram following distribution in function fname.
Definition TH3.cxx:791

TPad
The most important graphics class in the ROOT system.
Definition TPad.h:28

TPad::cd
TVirtualPad * cd(Int_t subpadnumber=0) override
Set Current pad.
Definition TPad.cxx:597

TPad::Draw
void Draw(Option_t *option="") override
Draw Pad in Current pad (re-parent pad if necessary).
Definition TPad.cxx:1268

TPaveLabel
A Pave (see TPave) with a text centered in the Pave.
Definition TPaveLabel.h:20

TPaveLabel::Draw
void Draw(Option_t *option="") override
Draw this pavelabel with its current attributes.
Definition TPaveLabel.cxx:87

TStyle::SetCanvasPreferGL
void SetCanvasPreferGL(Bool_t prefer=kTRUE)
Definition TStyle.h:326