bent.C

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/// \file
/// \ingroup tutorial_graphs
/// \notebook -js
/// Bent error bars
///
/// \macro_image
/// \macro_code
///
/// \author Olivier Couet
 
void bent()
{
   const Int_t n = 10;
   Double_t x[n] = {-0.22, 0.05, 0.25, 0.35, 0.5, 0.61, 0.7, 0.85, 0.89, 0.95};
   Double_t y[n] = {1, 2.9, 5.6, 7.4, 9, 9.6, 8.7, 6.3, 4.5, 1};
   Double_t exl[n] = {.05, .1, .07, .07, .04, .05, .06, .07, .08, .05};
   Double_t eyl[n] = {.8, .7, .6, .5, .4, .4, .5, .6, .7, .8};
   Double_t exh[n] = {.02, .08, .05, .05, .03, .03, .04, .05, .06, .03};
   Double_t eyh[n] = {.6, .5, .4, .3, .2, .2, .3, .4, .5, .6};
   Double_t exld[n] = {.0, .0, .0, .0, .0, .0, .0, .0, .0, .0};
   Double_t eyld[n] = {.0, .0, .05, .0, .0, .0, .0, .0, .0, .0};
   Double_t exhd[n] = {.0, .0, .0, .0, .0, .0, .0, .0, .0, .0};
   Double_t eyhd[n] = {.0, .0, .0, .0, .0, .0, .0, .0, .05, .0};
   TGraphBentErrors *gr = new TGraphBentErrors(n, x, y, exl, exh, eyl, eyh, exld, exhd, eyld, eyhd);
   gr->SetTitle("TGraphBentErrors Example");
   gr->SetMarkerColor(4);
   gr->SetMarkerStyle(21);
   gr->Draw("ALP");
}