attach vtk context to gcompose

src/Core/Object.h

@@ -27,6 +27,7 @@
 #define U_CORE_OBJECT_H
 
 #include <iostream>
+#include <string>
 
 // WARNING: COPILE ERROR if this goes after mpl/vector //
 // #include "Core/Vector.h"
@@ -74,6 +75,10 @@ public:
   Object(const Object &copy);
   ~Object();
 
+  virtual const char * GetClassName() const { return "Object"; }
+
+  const std::string& GetInstanceName() const;
+  void SetInstanceName(const std::string& name);
   ////////////////////////////////////////////////////////////////////////////
   // PARAMETERS //