What are the units of distance in the MiXiM based Veins simulation scenarios?

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Hello StackEx community.

I am running a scenario in Veins 3.0 where I am using the commandDistanceRequest()function to find out the distance between two nodes. I am getting values which, I suppose, is in the domain of the MiXiM - OMNeT++ simulation play-field.

My questions here are:

  1. What is the unit of this distance returned by commandDistanceRequest()?

  2. I know that OMNeT++ and SUMO use different sets of coordinate spaces. Is it different for both of them or only the coordinate space differs here?

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user4786271 On BEST ANSWER
  1. The unit returned by the commandDistanceRequest() is in m (meters)

Link: Two types of coordinate systems are currently in general use in geography: the geographical coordinate system and the rectangular (also called Cartesian) coordinate system.

  1. SUMO and OMNeT++ use Cartesian coordinates both. However in SUMO the y axis is flipped and there is an offset.