message: get sigma interval from OADB
diff: @@ -163,7 +163,7 @@ TGraph* getdEdxGraph(Int_t run, TString recoPass, AliPID::EParticleType particle
  //const Double_t sigma = tpcpid.GetExpectedSigma(p,100,particle);
  Double_t dEdx = tpcpid.GetExpectedSignal(&tr,particle,AliTPCPIDResponse::kdEdxDefault,kFALSE,kTRUE);
  const Double_t sigma = tpcpid.GetExpectedSigma(&tr,particle,AliTPCPIDResponse::kdEdxDefault,kFALSE,kTRUE);
  - printf("%.2f +- %.2f (%.2f) %.2f\n", dEdx, sigma, sigma/dEdx, dEdx+nSigma*sigma);
  + //printf("%.2f +- %.2f (%.2f) %.2f\n", dEdx, sigma, sigma/dEdx, dEdx+nSigma*sigma);
  dEdx += nSigma*sigma;
  if (dEdx>dEdxMax) continue;
  gr->SetPoint(gr->GetN(), p, dEdx);
  @@ -297,12 +297,19 @@ void DrawNsigmaLinesPIDtracking(const int run, const float nSigma=15.f, const in
  man->SetDefaultStorage("raw://");
  + static int lastRun = 0;
  + // get configures sigma from OCDB
  const int colors[AliPID::kSPECIES] = {kBlack, kRed-2, kBlue-2, kMagenta, kGray+2};
  // draw n-sigma lines for all default particle species
  for (int ipart=0; ipart<nparticles; ++ipart) {
  TGraph *grTracking = getdEdxGraphPIDReco(run, AliPID::EParticleType(ipart));
  - TGraph *grTracking_p5 = getdEdxGraphPIDReco(run, AliPID::EParticleType(ipart),nSigma);
  - TGraph *grTracking_m5 = getdEdxGraphPIDReco(run, AliPID::EParticleType(ipart),-1*nSigma);
  + const float sigma = AliTPCcalibDB::Instance()->GetParameters()->GetSigmaRangePIDinTracking();
  + if (run != lastRun) {
  + printf("Found sigma setting: %.1f\n", sigma);
  + lastRun = run;
  + }
  + TGraph *grTracking_p5 = getdEdxGraphPIDReco(run, AliPID::EParticleType(ipart),sigma);
  + TGraph *grTracking_m5 = getdEdxGraphPIDReco(run, AliPID::EParticleType(ipart),-1*sigma);
  //grTracking -> SetLineColor(colors[ipart]);
  //grTracking_p5 -> SetLineColor(colors[ipart]);
  