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"# gr106_exclusiongraph\n",
"\n",
"The shaded areas are obtained with a fill for the graph and controlled with `SetLineWidth`.\n",
"`SetLineWidth` for exclusion graphs is explained in the [TGraphPainter documentation](https://root.cern/doc/master/classTGraphPainter.html#GrP2)\n",
"\n",
"As the graphs will be superposed on drawing, we add them to a [TMultiGraph](https://root.cern/doc/master/classTMultiGraph.html) and then draw this one.\n",
"\n",
"\n",
"\n",
"**Author:** Olivier Couet \n",
"This notebook tutorial was automatically generated with ROOTBOOK-izer from the macro found in the ROOT repository on Tuesday, May 19, 2026 at 08:38 PM."
]
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"TCanvas *c1 = new TCanvas(\"c1\",\"Exclusion graph examples\",200,10,600,400);\n",
"c1->SetGrid();\n",
"\n",
"TMultiGraph *mg = new TMultiGraph();\n",
"mg->SetTitle(\"Exclusion graphs\");\n",
"\n",
"const Int_t n = 35;\n",
"Double_t xvalues1[n], xvalues2[n], xvalues3[n], yvalues1[n], yvalues2[n], yvalues3[n];\n",
"for (Int_t i=0;iSetLineColor(2);\n",
"gr1->SetLineWidth(1504);\n",
"gr1->SetFillStyle(3005);\n",
"\n",
"TGraph *gr2 = new TGraph(n,xvalues2,yvalues2);\n",
"gr2->SetLineColor(4);\n",
"gr2->SetLineWidth(-2002);\n",
"gr2->SetFillStyle(3004);\n",
"gr2->SetFillColor(9);\n",
"\n",
"TGraph *gr3 = new TGraph(n,xvalues3,yvalues3);\n",
"gr3->SetLineColor(5);\n",
"gr3->SetLineWidth(-802);\n",
"gr3->SetFillStyle(3002);\n",
"gr3->SetFillColor(2);\n",
"\n",
"mg->Add(gr1);\n",
"mg->Add(gr2);\n",
"mg->Add(gr3);\n",
"mg->Draw(\"AC\");\n",
" \n",
"return c1;"
]
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"metadata": {},
"source": [
"Draw all canvases "
]
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"gROOT->GetListOfCanvases()->Draw()"
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