Logo ROOT   6.21/01
Reference Guide
glh3c.C File Reference

Detailed Description

Display a 3D histogram using GL (box option).

pict1_glh3c.C.png
void glh3c()
{
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");
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");
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");
comp->AddTH3(h1);
comp->AddTH3(h3);
comp->Draw();
TPaveLabel *title = new TPaveLabel(0.04, 0.86, 0.96, 0.98,
"TH3 composition.");
title->SetFillColor(32);
title->Draw();
}
Author
Timur Pocheptsov

Definition in file glh3c.C.