{ // // To see the output of this macro, click begin_html here end_html // gROOT->Reset(); c1 = new TCanvas("c1","Histogram Drawing Options",200,10,700,900); pad1 = new TPad("pad1","The pad with the function",0.03,0.62,0.50,0.92,21); pad2 = new TPad("pad2","The pad with the histogram",0.51,0.62,0.98,0.92,21); pad3 = new TPad("pad3","The pad with the histogram",0.03,0.02,0.97,0.57,21); pad1->Draw(); pad2->Draw(); pad3->Draw(); // // We connect the ROOT file generated in a previous tutorial // see begin_html An example creating/filling/saving histograms/ntuples on file end_html // TFile example("hsimple.root"); example.ls(); // Draw a global picture title title = new TPaveLabel(0.1,0.94,0.9,0.98, "Drawing options for one dimensional histograms"); title->SetFillColor(16); title->SetTextFont(52); title->Draw(); // // Draw histogram hpx in first pad with the default option. pad1->cd(); pad1->GetFrame()->SetFillColor(18); hpx->SetFillColor(45); hpx->DrawCopy(); label1 = new TPaveLabel(-3.5,700,-1,800,"Default option"); label1->SetFillColor(42); label1->Draw(); // // Draw hpx as a lego. Clicking on the lego area will show // a "transparent cube" to guide you rotating the lego in real time. pad2->cd(); hpx->DrawCopy("lego1"); label2 = new TPaveLabel(0.4,0.8,0.9,0.95,"option Lego1"); label2->SetFillColor(42); label2->Draw(); label2a = new TPaveLabel(-0.93,-1.08,0.25,-0.92,"Click on lego to rotate"); label2a->SetFillColor(42); label2a->Draw(); // // Draw hpx with its errors and a marker. pad3->cd(); pad3->SetGridx(); pad3->SetGridy(); pad3->GetFrame()->SetFillColor(18); hpx->SetMarkerStyle(21); hpx->Draw("e1p"); label3 = new TPaveLabel(2,600,3.5,650,"option e1p"); label3->SetFillColor(42); label3->Draw(); // // The following illustrates how to add comments using a PaveText. // Attributes of text/lines/boxes added to a PaveText can be modified. // The AddText function returns a pointer to the added object. pave = new TPaveText(-3.78,500,-1.2,750); pave->SetFillColor(42); TText *t1=pave->AddText("You can move"); t1->SetTextColor(4); t1->SetTextSize(0.05); pave->AddText("Title and Stats pads"); pave->AddText("X and Y axis"); pave->AddText("You can modify bin contents"); pave->Draw(); c1->Update(); }