Selecting alternative operations
Alternative node is an expandable node representing a choice between two or more alternative operations. Each alternative operation represents a separate sequence. aPriori automatically selects a sequence for costing, but you can manually select a different alternative. Only one sequence can be selected.
When you expand an alternative node:
Alternative sequences for this node are displayed based on the selection in the View menu.
The node and the entire scope of aPriori auto-select options is surrounded by the Auto border.
If you click OK or Apply at this point, aPriori will automatically select a sequence within the Auto border. You can also select a sequence manually.
If you manually select one sequence under the alternative node, the scope of aPriori auto-select options changes and becomes limited to alternatives within that sequence.
You can again click OK or Apply to let aPriori make a selection within Auto border or make the selection manually.