Example macros to exprt drift velocity calibration to the OCDB

diff --git a/TPC/CalibMacros/CalibTimeVdrift.C b/TPC/CalibMacros/CalibTimeVdrift.C
new file mode 100644 (file)
index 0000000..c5d3a2f
--- /dev/null
+++ b/TPC/CalibMacros/CalibTimeVdrift.C
@@ -0,0 +1,108 @@
+
+// small macro to generate and update OCDB entries for a given run:
+//
+// this is a TObjArray which has at 0 the MIP-Spline and at 1 the Fermi-Plateau-Spline ...
+
+/* How to use it...
+
+gSystem->Load("libSTEER");
+gSystem->Load("libANALYSIS");
+gSystem->Load("libSTAT");
+gSystem->Load("libTPCcalib");
+gSystem->AddIncludePath("-I$ALICE_ROOT/STEER");
+gSystem->AddIncludePath("-I$ALICE_ROOT/TPC");
+
+.L $ALICE_ROOT/TPC/CalibMacros/CalibTimeVdrift.C+
+
+TFile fcalib("CalibObjects.root");
+TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
+AliTPCcalibTime * timeDrift = ( AliTPCcalibTime *)array->FindObject("calibTime");
+
+CalibTimeVdrift(55079, gain)
+  
+*/
+
+#include "TObjArray.h"
+#include "TGraphErrors.h"
+#include "AliExternalTrackParam.h"
+#include "TFile.h"
+#include "TGraph.h"
+
+#include "AliTPCcalibTime.h"
+#include "AliSplineFit.h"
+#include "AliCDBMetaData.h"
+#include "AliCDBId.h"
+#include "AliCDBManager.h"
+#include "AliCDBStorage.h"
+
+
+void CalibTimeVdrift(Int_t runNumber, AliTPCcalibTime * vdrift){
+
+  TObjArray * splineArray = new TObjArray(6);
+
+  // 0. Vdrift, best value
+  (*splineArray)[0] = vdrift->GetFitDrift(); //So far only cosmics available
+
+  // 1. Vdrift from cosmics
+  (*splineArray)[1] = (*splineArray)[0]; //Only cosmics so far
+  
+  // 2. Vdrift from beam
+  (*splineArray)[2] = NULL; //Not yet implemnted
+
+  // 3. Vdrift from ITS-TPC
+  (*splineArray)[3] = NULL; //Not yet implemnted
+
+  // 4. Vdrift from goophie
+  (*splineArray)[4] = NULL; //Not yet implemnted
+
+  // 5. Vdrift from laser
+  (*splineArray)[4] = NULL; //Not yet implemnted
+    
+  //
+  // store OCDB entry
+  //
+
+  AliCDBMetaData *metaData= new AliCDBMetaData();
+  metaData->SetObjectClassName("TObjArray");
+  metaData->SetResponsible("Dag Toppe Larsen");
+  metaData->SetBeamPeriod(1);
+  metaData->SetAliRootVersion("05-23-02"); //root version
+  metaData->SetComment("Calibration of the time dependence of the drift velocity due to pressure and temperature changes");
+  AliCDBId id1("TPC/Calib/TimeGain", runNumber, runNumber);
+  AliCDBStorage * gStorage = AliCDBManager::Instance()->GetStorage("local://$ALICE_ROOT/OCDB");
+  gStorage->Put(splineArray, id1, metaData);
+
+
+}
+
+
+
+void MakePlot(){
+  TFile fcalib("CalibObjects.root");
+  TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
+  AliTPCcalibTime * timeDrift = ( AliTPCcalibTime *)array->FindObject("calibTime");
+  
+  //
+  //
+  //
+  TGraph * grAll   = timeDrift->GetGraphDrift("all");
+  TGraph * grD0SCO = timeDrift->GetGraphDrift(" D0SCO ");
+  TGraph * grD0ASL = timeDrift->GetGraphDrift(" D0ASL ");
+  TGraph * grDEMTY = timeDrift->GetGraphDrift(" DEMPTY ");
+  TGraph * grtrdbytof = timeDrift->GetGraphDrift(" trdbytof ");
+  TGraph * grtoftrd = timeDrift->GetGraphDrift(" toftrd ");
+  //
+  grAll->SetLineColor(2);
+  grD0SCO->SetLineColor(3);
+  grD0ASL->SetLineColor(4);
+  grDEMTY->SetLineColor(5);
+  grtoftrd->SetLineColor(6);
+  //
+  grAll->SetMaximum(0.02);
+  grAll->SetMinimum(-0.02);
+  grAll->Draw("alp");
+  grD0SCO->Draw("lp");
+  grD0ASL->Draw("lp");
+  grDEMTY->Draw("lp");
+  grtoftrd->Draw("lp");
+}