Absurdly long trip times

[andrey-khaletsky]

Hello everyone,

I am making a simulation with a population of 4 million agents where each one does exactly one trip.

Initially, I had their trips like this:

  <person id="3">
    <plan selected="yes">
      <act type="h" x="..." y="..." end_time="00:21:01"/>
      <leg mode="car"/>
      <act type="w" x="..." y="..."/>
    </plan>

where x and y are WSG84 latitude and longitude.

Then I tried activity types of leisure and other.

The network is from OSM treated with Visum.
The population comes from open data OD matrix.

The simulation goes fine except the fact that for the same origin and destination the trip can last from 9 to 300 hours or even more....

I've made a lot of checking for the graph, population and config parameters and nothing helps.

Sometimes when I leave activities with a minimal set of parameters, it give me the following warning:

There is no activity type that has an opening *and* closing time (or opening time and late penalty) defined.
This usually means that the activity chains can be shifted by an arbitrary
number of hours without having an effect on the score of the plans, and thus
resulting in wrong results / traffic patterns.
If you are using MATSim without time adaptation, you can ignore this warning.

But setting activity parameters doesn't help really :-(

Where should I look for solution?

Thanks a lot in advance!

[kainagel]

Dear Andrey, hard to say without more info, but WGS84 coordinate system nearly always causes problems. See https://matsim.org/docs/userguide/ in the section called "Coordinate systems" (current 2.3.4.3). It should be possible to leave the population coordinate system in WGS84 but transform it into something else "on the fly". A resulting output plans files should then fix this. Also, you should look at your simulation in some viewer, e.g. otfvis or Via. If you have the coordinate system problem, it will look weird. On 12. Nov 2024, at 12:43, Andrey Khaletsky ***@***.***> wrote: Hello everyone, I am making a simulation with a population of 4 million agents where each one does exactly one trip. Initially, I had their trips like this: <person id="3"> <plan selected="yes"> <act type="h" x="..." y="..." end_time="00:21:01"/> <leg mode="car"/> <act type="w" x="..." y="..."/> </plan> where x and y are WSG84 latitude and longitude. Then I tried activity types of leisure and other. The network is from OSM treated with Visum. The population comes from open data OD matrix. The simulation goes fine except the fact that for the same origin and destination the trip can last from 9 to 300 hours or even mode.... I've made a lot of checking for the graph, population and config parameters and nothing helps. Sometimes when I leave activities with a minimal set of parameters, it give me the following warning: There is no activity type that has an opening *and* closing time (or opening time and late penalty) defined. This usually means that the activity chains can be shifted by an arbitrary number of hours without having an effect on the score of the plans, and thus resulting in wrong results / traffic patterns. If you are using MATSim without time adaptation, you can ignore this warning. But setting activity parameters doesn't help really :-( Where should I look for solution? Thanks a lot in advance! — Reply to this email directly, view it on GitHub<#1182>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/ACC67MPOJUCXQXBFP2DBUDD2AHSVRAVCNFSM6AAAAABRT3PCVCVHI2DSMVQWIX3LMV43ASLTON2WKOZSGY2TCOJUG4ZDENI>. You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>