fix normalization for empty plots

cms-sw · Aug 22, 2016 · 3c6fcc0 · 3c6fcc0
1 parent 83de453
commit 3c6fcc0
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);
 }