def __init__(self, node_id, node_name, node_weight, mesh_expression):
Node.__init__(self, node_id, node_name, node_weight)
self._mesh=mesh_expression
def __init__(self, node_id, node_name, node_weight, mesh_expression):
Node.__init__(self, node_id, node_name, node_weight)
self._mesh=mesh_expression
