--- gp2root/pCat.h	2006/04/19 23:35:58	1.1.1.1
+++ gp2root/pCat.h	2006/10/22 08:26:47	1.2
@@ -2,6 +2,7 @@
 #define PCAT_H
 
 #include "pDetector.h"
+#include "TObject.h"
 
 class pCat: public pDetector {
 
@@ -12,6 +13,10 @@
 private:
 
   
+public:
+   ClassDef(pCat,1);
+
 };
 
 #endif //PCAT_H
+