AW: [sumo-user] Re: sumo-user digest, Vol 1 #66 - 1 msg

[<Dan...@dl...>]

Hello there John,
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don't know, this of course should not be. Have you taken a look using
the visualisation?
Please let me know if you have found out the reason.
BTW: are your earlier problems solved? I mean the network import and the
fact that the simuation ran longer than expected?
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bye,
Daniel
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________________________________

	Von: sum...@li...
[mailto:sum...@li...] Im Auftrag von John
Michael Calandrino
	Gesendet: Sonntag, 11. Dezember 2005 17:27
	An: sum...@li...
	Betreff: [sumo-user] Re: sumo-user digest, Vol 1 #66 - 1 msg
=09
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	Question: why would a corridor's average travel time (from the
lane dump data) actually *increase* as the result of the addition of a
lane? Nothing else about the corridor (speed limit, # of traffic lights,
etc.) changed.
	-John
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	sum...@li... wrote:
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		Today's Topics:
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		   1. AW: some question on detector implement!
(Dan...@dl...)
	=09
		--__--__--
	=09
		Message: 1
		Date: Wed, 7 Dec 2005 14:14:54 +0100
		From: <Dan...@dl...>
<mailto:Dan...@dl...>=20
		To: <wei...@ho...>
<mailto:wei...@ho...> ,
			<sum...@li...>
<mailto:sum...@li...>=20
		Subject: [sumo-user] AW: some question on detector
implement!
	=09
		Hello there Weixing,=3D20
	=09
		Oh, well, noooooooooo....
		The detector implementation in SUMO is really a pain. I
have not done it =3D
		and I must say, that I did not understand this stuff
completely...
		To your questions:
	=09
		1. I suppose its because the first definition is for
E2-detectors, the =3D
		second one for E3-detectors. But this is only a theory
(see above)
	=09
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		2. Hmmmm, ist probably not used :-)
		No, really, ha ha ha, I had a look at the sources and,
well, there is =3D
		really no reference to it. Hmmmm.
	=09
	=09
		3.
		E1: cover a single position on a lane (similar to
InductLoops)
		E2: cover an area of a lane (defined by a from-position
and a =3D
		to-position)
		E3: cover a part of the network (defined by a set of
entry points and a =3D
		set of exit-points, each being a lane-position)
		LaneState: cover an area of a lane (similar to E2)
	=09
		So, as you can see, E2 and LaneState as well as E1 and
InductLoop have =3D
		the same meaning, but differ completely in
implementation and also in =3D
		the values they retrieve. Well, I really have to state
that detectors =3D
		are THE thing that I am really very, very unhappy about
- also because I =3D
		do not understand them. They definitely need a rewrite
or at least a =3D
		major recheck.
	=09
		I would advice you to use InductLoops, E2 detectors and
E3 detectors. I =3D
		am not very sure whether E1-detectors and LaneStates are
really working =3D
		(yes LaneStates are used by ActuatedTrafficLights, this
is something to =3D
		rework).
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		4.
		See 3.
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		5.
		Do you think it's ok this way? Could you get familiar
with it?
	=09
	=09
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		Sorry for answering that late, I was at a workshop
yesterday.
	=09
		Bye,
		Daniel
	=09
	=09
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			-----Urspr=3DA8=3DB9ngliche Nachricht-----
			Von: wei...@ho...
[mailto:wei...@ho...]=3D20
			Gesendet: Montag, 5. Dezember 2005 16:41
			An: Krajzewicz, Daniel;
sum...@li...
			Betreff: some question on detector implement!
			=3D20
			hello,
			     I have some question follows.
			     1.the define in
MSDetectorHaltingContainerWrapper.h we=3D20
			know that SDetectorHaltingMapWrapper derived
from the=3D20
			MSUpdateEachTimestep template.
			struct MSDetectorHaltingMapWrapper
			    :
			//     public MSDetectorMapWrapper< T >
			//     , public MSUpdateEachTimestep<=3D20
			MSDetectorHaltingMapWrapper< T > >
			    public MSDetectorVehicleInitMapWrapper<=3D20
			DetectorContainer::E3Halting >
			    , public MSUpdateEachTimestep<
MSDetectorHaltingMapWrapper >
			=3D20
			but here  MSUpdateEachTimestep is used another
times, why?
			    typedef MSDetectorHaltingMapWrapper
HaltingsMap;
			=3D20
			    typedef MSUpdateEachTimestep< HaltingsMap >
UpdateE3Haltings;
			=3D20
			     2.I can't find the using of
MSTravelcostDetector template, why?
			     3. As is said in manual, lanestate is an
kind of extend=3D20
			detector, what is the difference between
e1,e2,e3,and lanestate?
			     4.can you explain the function of
e1,e2,e3collector, I=3D20
			think it is a class type container, which
present a=3D20
			collection of the detector of a lane,is it true?
			     5.I am reading the 0.9.2 src, is really a
big change.
			=3D20
			yours weixing
			2005/12/5
			=3D20
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