#include <TFile.h>
#include <TProfile.h>
#include <TH2D.h>
#include <TCanvas.h>

void projector()
{
    TFile *f = new TFile("UC30-19_calibration.root");
    TH2D *g = (*TH2D)f->Get("/home/www/docs/halld/diamonds/Zygo