void plotPixelPlane(){

	TFile *f = new TFile("FOCALPixelPlane.root", "READ");
	TH2Poly *p = (TH2Poly*) f->Get("h2polyFOCALPixelPlane");
	p->SetLineColor(kRed);
	p->SetLineStyle(2);
	p->SetLineWidth(4);
	TCanvas *c = new TCanvas("c","c",600,600);
	p->Draw("L");
	c->SaveAs("cPixelPlane.png");
}