ROOT_528-00b_version: tutorials/gl/glbox.C Source File

00001 void glbox()
00002 {
00003 // Display a 3D histogram using GL (box option).
00004 //Author: Timur Pocheptsov
00005    gStyle->SetCanvasPreferGL(kTRUE);
00006    TCanvas *c        = new TCanvas("glc","TH3 Drawing", 100, 10, 850, 400);
00007    TPaveLabel *title = new TPaveLabel(0.04, 0.86, 0.96, 0.98,
00008                            "\"glbox\" and \"glbox1\" options for TH3.");
00009    title->SetFillColor(32);
00010    title->Draw();
00011 
00012    TPad *boxPad  = new TPad("box", "box", 0.02, 0.02, 0.48, 0.82);
00013    TPad *box1Pad = new TPad("box1", "box1", 0.52, 0.02, 0.98, 0.82);
00014    boxPad->Draw();
00015    box1Pad->Draw();
00016    
00017    TH3F *h31 = new TH3F("h31", "h31", 10, -1, 1, 10, -1, 1, 10, -1, 1);
00018    h31->FillRandom("gaus");
00019    h31->SetFillColor(2);
00020    boxPad->cd();
00021    h31->Draw("glbox");
00022 
00023    TH3F *h32 = new TH3F("h32", "h32", 10, -2, 2, 10, -1, 1, 10, -3, 3);
00024    h32->FillRandom("gaus");
00025    h32->SetFillColor(4);
00026    box1Pad->cd();
00027    h32->Draw("glbox1");
00028 }