Merge pull request #49330 from smuzaffar/ecal-dqm-bin-order

DQMEcalMonitor: Root now requires bins in increasing order

Author: cmsbuild

DQM/EcalCommon/src/MESetEcal.cc

@@ -177,8 +177,10 @@ namespace ecaldqm {
                 specs[iSpec]->edges = std::vector<float>(specs[iSpec]->nbins + 1);
                 int nbins(specs[iSpec]->nbins);
                 double low(specs[iSpec]->low), high(specs[iSpec]->high);
-                for (int i(0); i < nbins + 1; i++)
-                  specs[iSpec]->edges[i] = low + (high - low) / nbins * i;
+                double binSize = (high - low) / nbins;
+                specs[iSpec]->edges[0] = low;
+                for (int i(1); i < nbins + 1; i++)
+                  specs[iSpec]->edges[i] = specs[iSpec]->edges[i - 1] + binSize;
               }
             }
             me = _ibooker.book2D(name, name, xaxis.nbins, &(xaxis.edges[0]), yaxis.nbins, &(yaxis.edges[0]));

DQM/EcalMonitorTasks/python/SelectiveReadoutTask_cfi.py

@@ -1,10 +1,12 @@
 import FWCore.ParameterSet.Config as cms
 
-dccSizeBinEdges = []
-for i in range(11) :
-    dccSizeBinEdges.append(0.608 / 10. * i)
+binSize = 0.0608
+dccSizeBinEdges = [0]
+for i in range(1, 11) :
+    dccSizeBinEdges.append(dccSizeBinEdges[-1]+binSize)
+binSize = binSize * 10.
 for i in range(11, 79) :
-    dccSizeBinEdges.append(0.608 * (i - 10.))
+    dccSizeBinEdges.append(dccSizeBinEdges[-1]+binSize)
 
 ecalSelectiveReadoutTask = cms.untracked.PSet(
     params = cms.untracked.PSet(