ENH: Proper treatment of Set/Get/Free source pointer.

include/Glyph3D.hh

@@ -30,12 +30,12 @@ class vlGlyph3D : public vlDataSetToPolyFilter
 {
 public:
   vlGlyph3D();
-  ~vlGlyph3D() {};
+  ~vlGlyph3D();
   char *GetClassName() {return "vlGlyph3D";};
   void PrintSelf(ostream& os, vlIndent indent);
 
-  vlSetMacro(Source,vlPolyData*);
-  vlGetMacro(Source,vlPolyData*);
+  vlSetObjectMacro(Source,vlPolyData);
+  vlGetObjectMacro(Source,vlPolyData);
 
   vlBooleanMacro(Scaling,int);
   vlSetMacro(Scaling,int);

src/Glyph3D.cc

@@ -27,6 +27,14 @@ vlGlyph3D::vlGlyph3D()
   this->Range[0] = 1.0;
 }
 
+vlGlyph3D::~vlGlyph3D()
+{
+  if (this->Source)
+    {
+    this->Source->UnRegister((void *)this);
+    }
+}
+
 void vlGlyph3D::PrintSelf(ostream& os, vlIndent indent)
 {