Properties and options of activity pairs

Demand models of the Standard 4-step type
Element	Description
Code	Short name of the activity pair
Name	Long name of the activity pair

Demand models of the EVA-P type
Element	Description
Code	Short name of the activity pair
Name	Long name of the activity pair
Origin activity	Via the particular selection list you define the trip's source activity of the activity pair. Note An empty entry is permitted.
Destination activity	Via the particular selection list you define the trip's target activity of the activity pair. Note An empty entry is permitted.
OD type	Display of the direction of the activity pair with regard to the home activity (Fundamentals: EVA trip generation). 1 = Origin activity is home activity, e.g. Home-Work 2 = Destination activity is home activity, e.g. Shopping-Home 3 = Neither origin nor destination activity is home activity, e.g. Work-Shopping By default, the direction is derived from the activity that has been selected as home activity (Properties and options of activities). Via the selection list you can change the current direction settings.
Joint coupling of demand strata	Use the drop-down list to define the coupling of the constraints across demand strata (Fundamentals: The scope of the constraints is defined by selecting the corresponding activity pair attribute Couple DStrata together:). calculate separately: the constraints apply per demand stratum couple jointly on origin side: the constraints apply together on the origin side for all demand strata with this activity pair. couple jointly on destination side: the constraints apply together on the destination side for all demand strata with this activity pair. couple jointly on both sides: the constraints apply together on the origin and destination side for all demand strata with this activity pair.

Demand models of the tour-based model type
Element	Description
Code	Short name of the activity pair
Name	Long name of the activity pair
Origin activity	Via the particular selection list you define the trip's source activity of the activity pair. Note An empty entry is permitted.
Destination activity	Via the particular selection list you define the trip's target activity of the activity pair. Note An empty entry is permitted.
Time series	Via this button you can - in a separate window - allocate person groups to input standard time series as percentages for the computation of OD demand by the hour (Connecting activity pairs and standard time series).