Move Compare method from THcHodoscopeHit to ThcRawHit since it should

work for any derived class.

src/THcHodoscopeHit.cxx

@@ -38,6 +38,7 @@ Int_t THcHodoscopeHit::GetData(Int_t signal) {
   return(-1); // Actually should throw exception
 }
 
+#if 0
 Int_t THcHodoscopeHit::Compare(const TObject* obj) const
 {
   // Compare to sort by plane and counter
@@ -57,6 +58,7 @@ Int_t THcHodoscopeHit::Compare(const TObject* obj) const
     else return 1;
   }
 }
+#endif
 //_____________________________________________________________________________
 THcHodoscopeHit& THcHodoscopeHit::operator=( const THcHodoscopeHit& rhs )
 {

src/THcHodoscopeHit.h

@@ -20,8 +20,8 @@ class THcHodoscopeHit : public THcRawHit {
   void SetData(Int_t signal, Int_t data);
   Int_t GetData(Int_t signal);
 
-  virtual Bool_t  IsSortable () const {return kTRUE; }
-  virtual Int_t   Compare(const TObject* obj) const;
+  //  virtual Bool_t  IsSortable () const {return kTRUE; }
+  //  virtual Int_t   Compare(const TObject* obj) const;
 
   Int_t fADC_pos;
   Int_t fADC_neg;

src/THcRawHit.cxx

@@ -13,6 +13,27 @@
 //THcRawHit::~THcRawHit()
 //{}
 
+Int_t THcRawHit::Compare(const TObject* obj) const
+{
+  // Compare to sort by plane and counter
+
+  const THcRawHit* hit = dynamic_cast<const THcRawHit*>(obj);
+
+  if(!hit) return -1;
+  Int_t p1 = fPlane;
+  Int_t p2 = hit->fPlane;
+  if(p1 < p2) return -1;
+  else if(p1 > p2) return 1;
+  else {
+    Int_t c1 = fCounter;
+    Int_t c2 = hit->fCounter;
+    if(c1 < c2) return -1;
+    else if (c1 == c2) return 0;
+    else return 1;
+  }
+}
+
+
 ClassImp(THcRawHit)
 
 //_____________________________________________________________________________

src/THcRawHit.h

@@ -29,8 +29,10 @@ public:
   virtual Int_t GetData(Int_t signal) {return 0;};
 
   // Derived objects must be sortable and supply Compare method
-  virtual Bool_t  IsSortable () const {return kFALSE; }
-  virtual Int_t   Compare(const TObject* obj) const {return 0;}
+  //  virtual Bool_t  IsSortable () const {return kFALSE; }
+  //  virtual Int_t   Compare(const TObject* obj) const {return 0;}
+  virtual Bool_t  IsSortable () const {return kTRUE; }
+  virtual Int_t   Compare(const TObject* obj) const;
 
   Int_t fPlane;
   Int_t fCounter;