Creating scenario items

Each scenario item represents one change to be applied to the baseline scenario. For example, one scenario item may exclude a set of sites from consideration, and another scenario item may limit transportation policies to those less than 500 miles. Once a scenario item is defined, it can be used in multiple scenarios.

When you run a scenario, the items are processed in the order in which they are listed within the scenario definition. You can reorder scenario items on the item manager by dragging and dropping.

Scenario items for Rapid Network Explorer

The Network Optimization Rapid Network Explorer (RNE) uses scenarios that adjust a subset of the available tables and fields to quickly provide results for analysis. The tables and fields are referred to as "rapid eligible". RNE scenarios must contain only scenario items defined with rapid eligible tables and fields. When defining scenario items, you can limit the lists of tables and fields to only those that are rapid eligible. See Rapid network explorer for more information.

Rapid eligible scenario items can be used in both rapid and standard scenarios. However, standard scenario items can only be used in standard scenarios.

Item manager

The item manager enables you to create and modify the individual scenario items you define.

Groups with scenario items

The scenario item manager does not currently support the ability to use groups as values and specify "Each" or "All". If the value includes both the group name and the "Each"/"All" value, such as "(ALL_Products) (Each)", the scenario item is considered invalid and will not be included when you run a scenario that includes this item.

If you want to apply a group using the "Each" method, the value must be the group name without the group method. When selecting the group name, double-click to add it without selecting "Each". During input file generation, the group is expanded with a record for each group member.

At this time, there is no way to create a scenario item using a group name with the "All" method.

Last modified: Friday May 12, 2023

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