+ return( dynamic_cast< TGrowFunction* >( this->GetVertexFunction( ) ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TSuperclass >
+const typename fpa::Base::RegionGrow< _TSuperclass >::
+TGrowFunction* fpa::Base::RegionGrow< _TSuperclass >::
+GetGrowFunction( ) const
+{
+ return(
+ dynamic_cast< const TGrowFunction* >( this->GetVertexFunction( ) )