Direct and indirect attributes

A network object has attributes that allow you to save input data and output data:

• Direct attribute: The data refer directly to the network object. Example: Length attribute of a link.
• Indirect attribute: The data result from the relation between two network objects. Example: For a network object Link, you can select the network object type Display type as a relation. A direct attribute of this display type is Fill style. You can select the fill style chosen for a link as an indirect attribute for links and show it in the Links list for each link defined. You can edit an indirect attribute if it is an n:1 or 1:1 relation of a network object.

Direct and indirect attributes can also be used to define user-defined attributes (Using user-defined attributes).