void noise2d() {
  gROOT->SetStyle("Plain");

  TCanvas *c1=new TCanvas("c1","Canvas",600,600);
  gStyle->SetOptStat(0);
  gStyle->SetPalette(1);
  gStyle->SetPadLeftMargin(0.12);
  gStyle->SetPadRightMargin(0.12);
  c1->UseCurrentStyle();

  TFile::Open("Sensor11.root");

  Trim0Sigmas2D->SetTitle(";Pixel number in x;Pixel number in y");

  Trim0Sigmas2D->GetYaxis()->SetTitleOffset(1.3);
  Trim0Sigmas2D->GetXaxis()->SetRangeUser(0,83);
  Trim0Sigmas2D->GetZaxis()->SetRangeUser(0,15);
  Trim0Sigmas2D->Draw("colz");

  c1->Update();
  c1->Print("../noise2d.png");
}