doc/master/glh3c_8C.html

void glh3c()

{

   gStyle->SetCanvasPreferGL(kTRUE);


   TGLTH3Composition *comp = new TGLTH3Composition;

   TH3F *h1 = new TH3F("h1", "h1", 10, -1., 1., 10, -1., 1., 10, -1., 1.);

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

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

   h1->FillRandom("gaus3");

   h1->SetFillColor(kRed);

   TH3F *h2 = new TH3F("h2", "h2", 10, -1., 1., 10, -1., 1., 10, -1., 1.);

   TF3 *l3 = new TF3("landau3", "landau(x,[0],[1],[2])*gaus(y,1,[3],[4])*gaus(z,1,[3],[4])");

   l3->SetParameters(1, 0, 1, 0., 0.5);

   h2->FillRandom("landau3");

   h2->SetFillColor(kGreen);

   TH3F *h3 = new TH3F("h3", "h3", 10, -1., 1., 10, -1., 1., 10, -1., 1.);

   TF3 *gx = new TF3("gaus1", "gaus(x)");

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

   h3->FillRandom("gaus1");

   h3->SetFillColor(kBlue);


   comp->AddTH3(h1);

   comp->AddTH3(h2, TGLTH3Composition::kSphere);

   comp->AddTH3(h3);


   comp->Draw();


   TPaveLabel *title = new TPaveLabel(0.04, 0.86, 0.96, 0.98, "TH3 composition.");

   title->SetFillColor(32);

   title->Draw();

}

kTRUE
constexpr Bool_t kTRUE
Definition RtypesCore.h:93

kRed
@ kRed
Definition Rtypes.h:66

kGreen
@ kGreen
Definition Rtypes.h:66

kBlue
@ kBlue
Definition Rtypes.h:66

TRangeDynCast
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
Definition TCollection.h:358

gStyle
R__EXTERN TStyle * gStyle
Definition TStyle.h:442

ROOT::Detail::TRangeCast
Definition TCollection.h:311

TAttFill::SetFillColor
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition TAttFill.h:38

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

TGLTH3Composition
Definition TGLTH3Composition.h:27

TGLTH3Composition::kSphere
@ kSphere
Definition TGLTH3Composition.h:34

TH1::FillRandom
virtual void FillRandom(TF1 *f1, Int_t ntimes=5000, TRandom *rng=nullptr)
Definition TH1.cxx:3499

TH3F
3-D histogram with a float per channel (see TH1 documentation)
Definition TH3.h:317

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:88

TStyle::SetCanvasPreferGL
void SetCanvasPreferGL(Bool_t prefer=kTRUE)
Definition TStyle.h:345

h1
TH1F * h1
Definition legend1.C:5