From: John M. C. <jm...@cs...> - 2005-12-11 16:28:14
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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 sum...@li... wrote: >Send sumo-user mailing list submissions to > sum...@li... > >To subscribe or unsubscribe via the World Wide Web, visit > https://lists.sourceforge.net/lists/listinfo/sumo-user >or, via email, send a message with subject or body 'help' to > sum...@li... > >You can reach the person managing the list at > sum...@li... > >When replying, please edit your Subject line so it is more specific >than "Re: Contents of sumo-user digest..." > > >Today's Topics: > > 1. AW: some question on detector implement! (Dan...@dl...) > >--__--__-- > >Message: 1 >Date: Wed, 7 Dec 2005 14:14:54 +0100 >From: <Dan...@dl...> >To: <wei...@ho...>, > <sum...@li...> >Subject: [sumo-user] AW: some question on detector implement! > >Hello there Weixing,=20 > >Oh, well, noooooooooo.... >The detector implementation in SUMO is really a pain. I have not done it = >and I must say, that I did not understand this stuff completely... >To your questions: > >1. I suppose its because the first definition is for E2-detectors, the = >second one for E3-detectors. But this is only a theory (see above) > > >2. Hmmmm, ist probably not used :-) >No, really, ha ha ha, I had a look at the sources and, well, there is = >really no reference to it. Hmmmm. > > >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 = >to-position) >E3: cover a part of the network (defined by a set of entry points and a = >set of exit-points, each being a lane-position) >LaneState: cover an area of a lane (similar to E2) > >So, as you can see, E2 and LaneState as well as E1 and InductLoop have = >the same meaning, but differ completely in implementation and also in = >the values they retrieve. Well, I really have to state that detectors = >are THE thing that I am really very, very unhappy about - also because I = >do not understand them. They definitely need a rewrite or at least a = >major recheck. > >I would advice you to use InductLoops, E2 detectors and E3 detectors. I = >am not very sure whether E1-detectors and LaneStates are really working = >(yes LaneStates are used by ActuatedTrafficLights, this is something to = >rework). > > >4. >See 3. > > >5. >Do you think it's ok this way? Could you get familiar with it? > > > >Sorry for answering that late, I was at a workshop yesterday. > >Bye, >Daniel > > > > >>-----Urspr=A8=B9ngliche Nachricht----- >>Von: wei...@ho... [mailto:wei...@ho...]=20 >>Gesendet: Montag, 5. Dezember 2005 16:41 >>An: Krajzewicz, Daniel; sum...@li... >>Betreff: some question on detector implement! >>=20 >>hello, >> I have some question follows. >> 1.the define in MSDetectorHaltingContainerWrapper.h we=20 >>know that SDetectorHaltingMapWrapper derived from the=20 >>MSUpdateEachTimestep template. >>struct MSDetectorHaltingMapWrapper >> : >>// public MSDetectorMapWrapper< T > >>// , public MSUpdateEachTimestep<=20 >>MSDetectorHaltingMapWrapper< T > > >> public MSDetectorVehicleInitMapWrapper<=20 >>DetectorContainer::E3Halting > >> , public MSUpdateEachTimestep< MSDetectorHaltingMapWrapper > >>=20 >>but here MSUpdateEachTimestep is used another times, why? >> typedef MSDetectorHaltingMapWrapper HaltingsMap; >>=20 >> typedef MSUpdateEachTimestep< HaltingsMap > UpdateE3Haltings; >>=20 >> 2.I can't find the using of MSTravelcostDetector template, why? >> 3. As is said in manual, lanestate is an kind of extend=20 >>detector, what is the difference between e1,e2,e3,and lanestate? >> 4.can you explain the function of e1,e2,e3collector, I=20 >>think it is a class type container, which present a=20 >>collection of the detector of a lane,is it true? >> 5.I am reading the 0.9.2 src, is really a big change. >>=20 >>yours weixing >>2005/12/5 >>=20 >>_________________________________________________________________ >>= >> >> >=D3=EB=C1=AA=BB=FA=B5=C4=C5=F3=D3=D1=BD=F8=D0=D0=BD=BB=C1=F7=A3=AC=C7=EB=CA= >=B9=D3=C3 MSN Messenger: http://messenger.msn.com/cn =20 > > >>=20 >>=20 >>=20 >> >> > > > >--__--__-- > >_______________________________________________ >sumo-user mailing list >sum...@li... >https://lists.sourceforge.net/lists/listinfo/sumo-user > > >End of sumo-user Digest > > |