Hi,
In a model I create a table where on the rows I find model dividers and on the columns the operators. I would like to use a divider rule that points to the table cell instead of the operator label. In the rule code, however, I can only recognize the traveler and not the affected barrier. Is there a way to retrieve the information of which barrier is using that rule in that code?
Thank you in advance for the help.
I don't think this is possible - I'll add it to dev list.
@Fiorenzo A But you can add different conditions to each barrier and get similar behavior.
Why would it be central then and not an attribute of the barrier?
Because they can be shared by multiple barriers. That doesn't stop you from adding one rule per barrier.
If they're shared you're likely to want a barrier reference.
The rules are evaluated once at the start of a travel path for a given traveler. The results of the rule evaluation are cached and used for every barrier that follows that rule. They are not evaluated for each barrier. Doing so would break the path caching mechanism that A* uses to significantly improve performance.
Changing the rules to be evaluated for every single barrier in order to be able to pass the barrier to the condition would require a large restructuring of how the system works. It also would greatly hinder the performance of a system that is already the main performance bottleneck in models that use it.
We discussed this issue as a dev group and decided to not change how the rules are evaluated. We're not going to pass the barriers into the rules. If you want to have a different rule for each barrier, then you need to add a rule for each barrier.
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