message: Add method to set the type of boundary conditions at a later stage
diff: @@ -343,6 +343,9 @@ public:
  /// Returns the type of boundary conditions
  Type Type() const { return bctype; }
  + /// Sets the type of boundary conditions
  + void SetType(enum Type _type) { bctype = _type; setup = false; }
  +
  /// Boundary conditions evaluation
  /** In the result vector, @a g, only values at the essential dofs need to be
  set. */
  