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"# gr101_shade_area\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** Rene Brun \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\",\"A Simple Graph Example\",200,10,700,500);\n",
"\n",
"c1->SetGrid();\n",
"c1->DrawFrame(0,0,2.2,12);\n",
"\n",
"const Int_t n = 20;\n",
"Double_t x[n], y[n],ymin[n], ymax[n];\n",
"Int_t i;\n",
"for (i=0;iSetPoint(i,x[i],ymax[i]); \n",
" grshade->SetPoint(n+i,x[n-i-1],ymin[n-i-1]);\n",
"}\n",
"grshade->SetFillStyle(3013);\n",
"grshade->SetFillColor(16);\n",
"grshade->Draw(\"f\"); //Draw the shaded area with \"f\" option (filled graph)\n",
"grmin->Draw(\"l\");\n",
"grmax->Draw(\"l\");\n",
"gr->SetLineWidth(4);\n",
"gr->SetMarkerColor(4);\n",
"gr->SetMarkerStyle(21);\n",
"gr->Draw(\"CP\");"
]
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"source": [
"Draw all canvases "
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"source": [
"gROOT->GetListOfCanvases()->Draw()"
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