These routines manage the hierarchical attachment of instances and objects within the hierarchical database Ni_Add_Empty_Node() Create an empty hierarchical object or instance node. Ni_Attach() Hierarchically attach an instance to an object or another instance. Ni_Reattach() Hierarchically re-attach an instance to an object or another instance. Ni_Detach() Detach an instance from its parent. Ni_Surfacelink() Link a surface definition to an object or instance. Ni_Walk_Tree() Walk the hierarchical instance tree.
These routines manage the hierarchical attachment of instances and objects within the hierarchical database