Merge pull request #15531 from mtosi/fixV0Monitoring

V0 monitoring: fix normalization for empty plots
cms-sw · Aug 23, 2016 · 7aa3d49 · 7aa3d49
2 parents cf55ff8 + 86e174e
commit 7aa3d49
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/DQM/TrackingMonitorClient/src/DQMScaleToClient.cc b/DQM/TrackingMonitorClient/src/DQMScaleToClient.cc
@@ -68,7 +68,7 @@ void DQMScaleToClient::dqmEndJob(DQMStore::IBooker& ibooker_, DQMStore::IGetter&
   scaled_ = ibooker_.book1D(hname,(TH1F*)inputme->getTH1()->Clone(hname.c_str()));
 
   // handle mes
-  double integral = scaled_->getTH1()->Integral();
+  double integral = (scaled_->getTH1()->Integral() > 0. ? scaled_->getTH1()->Integral() : 1.);
   scaled_->getTH1()->Scale(outputmepset_.factor/integral);
 }