Add a patch based on makortel's comments

Author: ywkao

DQMServices/Core/interface/DQMStore.h

@@ -267,7 +267,7 @@ namespace dqm {
                                  double lowY,
                                  double highY,
                                  FUNC onbooking = NOOP()) {
-        return bookME(name, MonitorElementData::Kind::TH2F, [=]() {
+        return bookME(name, MonitorElementData::Kind::TH2Poly, [=]() {
           auto th2poly = new TH2Poly(name, title, lowX, highX, lowY, highY);
           onbooking(th2poly);
           return th2poly;

DQMServices/Core/src/MonitorElement.cc

@@ -695,7 +695,11 @@ namespace dqm::impl {
   /// set polygon bin (TH2Poly)
   void MonitorElement::addBin(TGraph *graph) {
     auto access = this->accessMut();
-    static_cast<TH2Poly *>(accessRootObject(access, __PRETTY_FUNCTION__, 2))->AddBin(graph);
+    if (kind() == Kind::TH2Poly) {
+      static_cast<TH2Poly *>(accessRootObject(access, __PRETTY_FUNCTION__, 2))->AddBin(graph);
+    } else {
+      incompatible(__PRETTY_FUNCTION__);
+    }
   }
 
   /// set content of bin (1-D)

DataFormats/Histograms/interface/MonitorElementCollection.h

@@ -138,10 +138,10 @@ struct MonitorElementData {
     TH2S = 0x21,
     TH2D = 0x22,
     TH2I = 0x23,
+    TH2Poly = 0x24,
     TH3F = 0x30,
     TPROFILE = 0x40,
-    TPROFILE2D = 0x41,
-    TH2Poly = 0x60
+    TPROFILE2D = 0x41
   };
 
   // Which window of time the ME is supposed to cover.