Macro to visualize the channel delays.

diff --git a/VZERO/CheckDelaysOCDB.C b/VZERO/CheckDelaysOCDB.C
new file mode 100644 (file)
index 0000000..674428a
--- /dev/null
+++ b/VZERO/CheckDelaysOCDB.C
@@ -0,0 +1,34 @@
+void CheckDelaysOCDB(Int_t run)
+{
+  AliCDBManager *man = AliCDBManager::Instance();
+
+  man->SetDefaultStorage("raw://");
+  man->SetRun(run);
+
+  AliCDBEntry *ent = man->Get("VZERO/Calib/Data");
+  AliVZEROCalibData *calData = (AliVZEROCalibData*)ent->GetObject();
+
+  AliCDBEntry *ent1 = man->Get("VZERO/Calib/TimeDelays");
+  TH1F *delays = (TH1F*)ent1->GetObject();
+
+  TH1F *hitdelays = new TH1F("hitdelays","HitDelay values",64,-0.5,63.5);
+  hitdelays->SetLineColor(kRed);
+  TH1F *sumdelays = new TH1F("sumdelays","Sum of the delays and HitDelay values",64,-0.5,63.5);
+  sumdelays->SetLineColor(kGreen);
+
+  for(Int_t i = 0; i < 64; ++i) {
+    printf("Ch=%d delay=%.3f hitdelay=%.3f sum=%.3f\n",
+          i,
+          delays->GetBinContent(i+1),
+          calData->GetTimeOffset(i),
+          delays->GetBinContent(i+1)+calData->GetTimeOffset(i));
+    hitdelays->SetBinContent(i+1,calData->GetTimeOffset(i));
+    sumdelays->SetBinContent(i+1,delays->GetBinContent(i+1)+calData->GetTimeOffset(i));
+  }
+
+  new TCanvas;
+  delays->GetYaxis()->SetRangeUser(-10,10);
+  delays->Draw();
+  hitdelays->Draw("same");
+  sumdelays->Draw("same");
+}