density = s / t * 1000 / l

with
s = sum of seconds all vehicles spent on the edge within the aggregation
interval
t = aggregation interval in seconds
l = length of the lane in m

regards,
Jakob

2017-02-14 16:12 GMT+01:00 Jirayu Tippayagulpairod <[email protected]>:

> Dear user and developers,
>           I have few question about density output that how does density
> in SUMO calculate ?  I mean that SUMO program is calculated by
> approximation with travel-time or count the vehicle in specified edge or
> others ? I want some information because i would use it in some macroscopic
> model. Thank you
>
> Best regards,
>
> Jirayu Tippayagulpairod
>
> 2017-02-09 9:20 GMT+07:00 Jirayu Tippayagulpairod <[email protected]>:
>
>> Thank you very much. It's helped me a lot
>>
>> 2017-02-08 22:39 GMT+07:00 Jakob Erdmann <[email protected]>:
>>
>>> yes. (don't forget the quotes)
>>> vTypes="bus"
>>>
>>> 2017-02-08 9:09 GMT+01:00 Jirayu Tippayagulpairod <[email protected]
>>> >:
>>>
>>>> Oh thank you very much, It means that you use this for example
>>>> <edgeData id="<MEASUREMENT_ID>" file="<OUTPUT_FILE>" vTypes = bus/>
>>>> and import this as additional file before simulation , am i right ?
>>>>
>>>> Best regards,
>>>> Bank
>>>>
>>>> 2017-02-07 14:08 GMT+07:00 Jakob Erdmann <[email protected]>:
>>>>
>>>>> Yes, the metrics you require will be available separately for each of
>>>>> the types you select (see http://sumo.dlr.de/wiki/Simula
>>>>> tion/Output/Lane-_or_Edge-based_Traffic_Measures#Value_Descriptions).
>>>>> By setting a different value for the output 'file' attribute for each 
>>>>> type,
>>>>> it is easy to process them  separately as well.
>>>>> regards,
>>>>> Jakob
>>>>>
>>>>> 2017-02-06 9:10 GMT+01:00 Jirayu Tippayagulpairod <
>>>>> [email protected]>:
>>>>>
>>>>>> Thank you for your suggestion. But i still have some confused that if
>>>>>> i generate the output via edge data , Could I export the output that I
>>>>>> mentioned before (edge performance e.g. density and traveltime ) I
>>>>>> apologize for any misunderstanding .I am some beginner in SUMO
>>>>>>
>>>>>> Best regards,
>>>>>>
>>>>>> Jirayu
>>>>>>
>>>>>> 2017-02-06 13:49 GMT+07:00 Jakob Erdmann <[email protected]>
>>>>>> :
>>>>>>
>>>>>>> When using simulated induction loops (http://sumo.dlr.de/wiki/Simul
>>>>>>> ation/Output/Induction_Loops_Detectors_(E1)) you can set the
>>>>>>> attribute splitByType="true" to get type-specific output.
>>>>>>>
>>>>>>> When using edgeData (http://sumo.dlr.de/wiki/Simul
>>>>>>> ation/Output/Lane-_or_Edge-based_Traffic_Measures) you can filter
>>>>>>> for type by setting the vTypes attribute (i.e. vTypes="bus"). You will 
>>>>>>> then
>>>>>>> need a separate <edgeData>-definitions for each type (or list of types) 
>>>>>>> you
>>>>>>> are interested in.
>>>>>>>
>>>>>>> regards,
>>>>>>> Jakob
>>>>>>>
>>>>>>> 2017-02-03 2:33 GMT+01:00 Jirayu Tippayagulpairod <
>>>>>>> [email protected]>:
>>>>>>>
>>>>>>>> Dear user and developers ,
>>>>>>>>                  I'm student in Thailand who do the project with
>>>>>>>> SUMO
>>>>>>>> program and I have some question to ask. As I used SUMO , it can
>>>>>>>> simulate
>>>>>>>> the many type of vehicle in traffic and the
>>>>>>>> output is in form of enter , left ,density , travel time but it
>>>>>>>> doesn't
>>>>>>>> show each type of output (For example : I mean that 4 outputs for
>>>>>>>> car and 4
>>>>>>>> outputs for bus individually) Therefore, I want to know that Can
>>>>>>>> SUMO
>>>>>>>> simulate the outputs individually for each type of vehicles or it
>>>>>>>> cannot ?
>>>>>>>>
>>>>>>>> Best regards,
>>>>>>>>
>>>>>>>> Jirayu Tippayagulpairod
>>>>>>>> ------------------------------------------------------------
>>>>>>>> ------------------
>>>>>>>> Check out the vibrant tech community on one of the world's most
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>>>>>>>> _______________________________________________
>>>>>>>> sumo-user mailing list
>>>>>>>> [email protected]
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/sumo-user
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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