View source for Jonas

===CS check in GS===
 docs.google.com
 operashift-cs-scanning@lngs.infn.it 
 usual pwd

===restart network===
 be root
 /etc/init.d/network restart

===example script for plots===
[[Image:Check ThetaAtPlate 14.png|thumb|PDG ID list]]
 check_ThetaAtPlate(int PLATE = 4)
 {
 printf("starting check_ThetaAtPlate\n");
 
  sep->SetBranchAddress("TX",&TX);
  sep->SetBranchAddress("TY",&TY);
  sep->SetBranchAddress("plate",&plate);
  sep->SetBranchAddress("brick",&brick);
  
  h3 = new TH1F("h3","Theta on plate",100,0.,.5);
  h7 = new TH1F("h7","Theta on plate",100,0.,.5);
 
  int b7_COUNT = 0;
  int b3_COUNT = 0;
 
  for (int i = 0; i<N_ENTRIES; i++)
  {
    sep->GetEntry(i);
    if (plate==38) continue;
    //if (plate!=PLATE) continue;
 
    if (brick==3){ 
      if (plate!=4) continue;
      h3->Fill(atan(sqrt(TX*TX+TY*TY)));
      b3_COUNT++;
      }
    if (brick==7){ 
      if (plate!=7) continue;
      h7->Fill(atan(sqrt(TX*TX+TY*TY)));
      b7_COUNT++;
      }
  }
  //pion blue
  h7->SetLineColor(kBlue);
 //   h7->Sumw2();//scales error NOT needed if you DrawNormalized
 //   h7->Scale(1./b7_COUNT); NOT needed if you DrawNormalized
  //muon red
  h3->SetLineColor(kRed);
 //   h3->Sumw2();//scales errorNOT needed if you DrawNormalized
 //   h3->Scale(1./b3_COUNT); NOT needed if you DrawNormalized
 
  //Draw
  //gROOT->SetStyle("Plain");
  TCanvas *c1 = new TCanvas("Angular distribution of dTheta","Theta distribution at a Plate",800,600);
  c1->Clear();
  c1->SetBorderMode(0);
 
  //statistic boxes
  h3->Draw();
  
  c1->Modified();
  c1->Update();
  TPaveStats *st_h3=(TPaveStats *) h3->FindObject("stats");
  st_h3->SetX1NDC(0.75);
  st_h3->SetX2NDC(0.99);
  st_h3->SetY1NDC(0.62);
  st_h3->SetY2NDC(0.80);
 
  h7->Draw();
  c1->Modified();
  c1->Update();
  TPaveStats *st_h7=(TPaveStats *) h7->FindObject("stats");
  st_h7->SetX1NDC(0.75);
  st_h7->SetX2NDC(0.99);
  st_h7->SetY1NDC(0.80);
  st_h7->SetY2NDC(0.99);
  
  //scale error
  h3->Sumw2();
  h7->Sumw2();
 
  //title of axis
  h3->GetXaxis()->SetTitle("Theta");
  h3->GetYaxis()->SetTitle("Counts (normalized)");
  h3->GetYaxis()->SetTitleOffset(1.2);
 
  //draw
  h3->DrawNormalized("e");
  h7->DrawNormalized("esame");
  st_h3->Draw();
  st_h7->Draw();
 
  //TLegend *leg = new TLegend(.78, .68, .98, .83);
  TLegend *leg = new TLegend(0.75,0.47,0.99,0.62);
  leg->AddEntry(h3, "Muon");
  leg->AddEntry(h7, "Pion");
  leg->SetBorderSize(2);
  leg->Draw();
 
  char cmd[128];
  sprintf(cmd,"check_ThetaAtPlate_%d.png",PLATE);
  c1->SaveAs(cmd);
 
  printf(" %d entries from b3 (muon - red)\n",b3_COUNT);
  printf(" %d entries from b7 (pion - blue)\n",b7_COUNT);
 }