Difference between revisions of "ForestErrAnal Lab7 Plot.C"
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Revision as of 20:42, 22 February 2010
void graph() {
TCanvas *c1 = new TCanvas("c1","A Simple Graph Example",200,10,700,500);
const Int_t n = 3;
Double_t x[n], y[n];
x[0]=1;
y[0]=2;
x[1]=2;
y[1]=4;
x[2]=6;
y[2]=12;
x[3]=10;
y[3]=20;
TGraph *gr = new TGraph(n,x,y);
gr->Draw("ACL");
c1->SetFillColor(42);
c1->SetGrid();
// TCanvas::Update() draws the frame, after which one can change it
c1->Update();
c1->Modified();
}