Input and output attributes of equilibrium assignment (LUCE)
For equilibrium assignment (LUCE), the same input attributes are required as for equilibrium assignment.
After the calculation, the results are available in the output attributes and can be displayed in the list view (User Manual: Working with lists) or in the network editor (User Manual: Specifying basic settings for the Network editor window).
Note: This information will help you reduce LUCE run time through systematic network modeling. Internally, LUCE has to explode a node to generate several sub-nodes and connecting links between these sub-nodes if the turns at the node have different impedances or some of these turns are not open. This increases the size of the graph on which the procedure works, which in turn increases the runtime. If you do not want to model the turns explicitly in your network model, you should make sure that the U-turns are also open for all private transport systems. Otherwise, Visum has to explode all nodes because of the blocked U-turns. In Visum, all turns, including u-turns, are opened by default. If your network contains closed U-turns, open them open them as well, unless there are special reasons for keeping them closed. To recalculate the transport system set at turns and main turns, refer to (User Manual: Recalculating the transport system set of turns) and (User Manual: Recalculating the transport system set of main turns). This will not have any negative effect on the created routes, since U-turns are never included in loaded routes as long as none of the turns has been modeled explicitly. |