{
TFile* f = new TFile("scan_summary.root");
TTree* tree = (TTree*) f -> Get("T");

tree -> Draw("DeltaY:Poutre>>graph", "site == \"ALU\" && serialNumber == 1", "goff");

TGraph* graph = (TGraph*) gDirectory -> Get("graph");

graph -> Draw();

graph -> GetXaxis() -> SetTitle("Poutre (mm)");
graph -> GetYaxis() -> SetTitle("ML Distance (mm)");

gPad -> Update();
}