SUMO assumes control of vehicles as soon as they are no longer controlled
remotely. This also resets their angle to the road angle. If you call
simulationStep with a 1000ms increment but the simulation runs at 10ms then
the angle will definitely be reset because the vehicle is under SUMO
control for 99 steps out of 100.
2018-07-11 16:47 GMT+02:00 Timothée Corsini :
> I might not use everytime the moveToXY function.
> SimulationStep is called with the argument time which is incremented each
> time by 1000 ms, it should be reduced later, we didn't want to send too
> much messages per second.
> I have set the --step-length option to 0.01 (10 ms) in order to see a more
> continuous circulation of the vehicles in SUMO-GUI.
>
> Does that mean that for every step (even the ones I do not communicate
> with) I should send a moveToXY command ?
>
> I am currently looking for errors, I might have done some mistakes in the
> communications.
>
> 2018-07-11 16:17 GMT+02:00 Jakob Erdmann :
>
>> This is working as expected at least in our tests.
>>
>> do you call moveToXY in every simulation step?
>> did you set the --step-length option for sumo?
>> are you using any arguments for when calling simulationStep()?
>>
>> 2018-07-11 14:46 GMT+02:00 Timothée Corsini :
>>
>>> Hi,
>>>
>>> Thanks for the quick answer. I've made a mistake in my previous message,
>>> I meant that even if I chose an angle (for exemple 40°), Sumo will adapt
>>> the orientation of the car according to the edge, I would like Sumo to not
>>> do that, here is how I create a car :
>>>
>>> mSumoClient.vehicle.add(vID, string("route0"), vType);
>>> mSumoClient.vehicle.moveToXY(vID, string(""), 0, pos.x, pos.y, 135.0,
>>> 2);
>>> mSumoClient.mySetLaneChangeMode(vID, 0);
>>> mSumoClient.mySetSpeedMode(vID, 0);
>>> mSumoClient.vehicle.setSpeed(vID, 0);
>>>
>>> (vID, vType are strings and pos is a Position type, mSumoClient comes
>>> from the TraCIAPI class, as for the functions mySet... they weren't
>>> implemented in the C++ version so I wrote them by referring to the Python
>>> implementation of TraCIAPI)
>>> The map used is two roads of 1 km (one is horizontal, the other
>>> vertical) crossing themselves at the center of the map but not recognizing
>>> themselves (There is no node representing the intersection). When I create
>>> a car, if it's outside the road network, the car has the orientation
>>> expected (135°) but if it's in an edge, it will be orientated according to
>>> the lane direction (so for the vertical edge : 0° or 180°). I would like to
>>> prevent this.
>>>
>>> regards,
>>> Timothee Corsini
>>>
>>> 2018-07-11 13:19 GMT+02:00 Jakob Erdmann :
>>>
Hello,
- you can set the angle argument for moveToXY to the TraciConstant
INVALID_DOUBLE_VALUE and then sumo will calculate an appropriate angle
- if you call moveToXY for the remote-controlled vehicles in every
simulation step, then sumo will not teleport/remove them but still
recognize them as obstacles.
regards,
Jakob
2018-07-11 13:05 GMT+02:00 Timothée Corsini via sumo-user <
sumo-u...@lists.sourceforge.net>:
> Hi !
>
> I am currently using SUMO with another software by using the TraCIAPI
> in
> C++. I managed to represent SUMO vehicles in the other software but
> now I
> would like to represent the vehicles from the software in SUMO.
>
> However, I do not want these vehicles to move or change their
> orientation
> unless I ask them to. So I changed their speed, their speedMode and
> laneChangeMode to 0, and I am moving them by using the moveToXY
> function.
> Still, SUMO does not change their angle in order to adpat them to the
> edges, I would like to avoid that, is it possible ?
>
> In fact I would like to control some vehicles without SUMO trying to
> teleport/move/remove them. (but still being recognized as obstacles by
> the
> others vehicles) Is that possible ?
>
> Else, can I simply put obstacles of the shape I want on the road (for
> exemple representing a car accident) or do I have to close the lanes
> manually in order to stop the traffic ?
>
> Sorry for the butchered langage.
>
> Regards,
> Timothee Corsini
>
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>>
>
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