Dear Joerg,
thank you for reporting this. It has been fixed in
v0_31_0-843-g5aa8c2c
(which is our new github way of referencing commits and means 843 commits
after release of 0.31.0 with full hash:
https://github.com/DLR-TS/sumo/commit/5aa8c2ca2e839fd3853f9db60304aeae27a7d393
)
regards,
Jakob

2017-10-31 11:54 GMT+01:00 Joerg Schweizer via sumo-user <
[email protected]>:

> A quick workaround to my own issue:
> measuring the distance to at least 1m inside edge2 will retuen
> "reasonable" results (who cares about 1m), so for example
>
> distance = traci.vehicle.getDrivingDistance(vehicleID, edge2ID, 1.0)
>
> will work, even if the vehicle is on the node before edge2.
>
> Best wishes,
> Joerg
>
> On 31/10/17 11:12, Joerg Schweizer via sumo-user wrote:
>
>> Hello,
>> I noticed a strange return value from  getDrivingDistance in the
>> following situation:
>>
>> ---edge1---| node |---edge2---
>>
>> if a vehicle is right on the node (on some internal edge) and I call
>>
>> distance = traci.vehicle.getDrivingDistance(vehicleID, edge2ID, 0.0)
>>
>> then the distance value is not close to zero  (as I would expect),
>> but returns approximately the length of edge1.
>>
>> (I tried this with version r26440 and  older 0.30)
>>
>> Kind regards,
>> JOerg
>>
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