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Find road traffic details

This is a discussion on Find road traffic details within the MapPoint Desktop Discussion forums, part of the Map Forums category; Hi, iam using Mappoint 2009 with VB.Net,i have to read the GPS output and plot the directions the vehicle moved ...

  1. #1
    rajesh22 is offline Junior Member White Belt
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    Find road traffic details

    Hi,

    iam using Mappoint 2009 with VB.Net,i have to read the GPS output and plot the directions the vehicle moved and to find the stops where the vehicle has stopped ,these things has been completed already ,now the problem is i have to find the stop points where the vehivle stopped because of road traffic.any ideas or suggestions?

    Thanks,
    Rajesh

  2. #2
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    Re: Find road traffic details

    I'm not sure if I understand you correctly? You have found all the stops, and you wish to distinguish traffic stops from scheduled stops?

    If so, then just compare the stop locations with the scheduled stop locations!


    If you are still trying to find all stops, then look at the relative movement between "fixes". Compare distance and time. Also look at (or calculate) velocity. If it slows to a stop for more than a few seconds, then you have a traffic stop!

    Richard
    Winwaed Software Technology LLC
    http://www.winwaed.com
    See http://www.mapping-tools.com for MapPoint Tools

  3. #3
    rajesh22 is offline Junior Member White Belt
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    Re: Find road traffic details

    Hi Richard,
    Thanks for your reply.if you dont mind can u explain little bit clearly.

    Thanks,
    Rajesh

  4. #4
    Eric Frost's Avatar
    Eric Frost is offline Administrator Black Belt
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    Re: Find road traffic details

    Rajesh,

    Maybe u can post some screenshots and sample data to illustrate what u need,if you dont mind. It is not clear what u are asking.

    Thanks,
    Eric
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  5. #5
    rajesh22 is offline Junior Member White Belt
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    Re: Find road traffic details

    Hi Eric,
    I have found all the stops now i want to find the traffic stop i.e., i want to distinguish between the scheduled stops and the traffic stops.
    hope u might have understood now

    Thanks,
    Rajesh

  6. #6
    rajesh22 is offline Junior Member White Belt
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    Re: Find road traffic details

    The Gps output looks liek this

    $PSRFTXTAPSI Ver ASM2525LP02*44
    $PSRFTXTCORE Ver GSW3.2.4Pat1_3.1.00.12-SDK001P1.00 *48
    $PSRFTXTTOW: 0*09
    $PSRFTXTWK: 1399*4B
    $PSRFTXTPOS: 6378137 0 0*06
    $PSRFTXTCLK: 96250*09
    $PSRFTXTCHNL: 12*5F
    $PSRFTXTBaud rate: 9600 *6A
    $GPGGA,235947.059,,,,,0,00,,,M,0.0,M,,0000*54
    $GPGSA,A,1,,,,,,,,,,,,,,,*1E
    $GPRMC,235947.059,V,,,,,,,281006,,,N*42
    $GPVTG,,T,,M,,N,,K,N*2C
    $GPGGA,235948.068,,,,,0,00,,,M,0.0,M,,0000*59
    $GPGSA,A,1,,,,,,,,,,,,,,,*1E
    $GPRMC,235948.068,V,,,,,,,281006,,,N*4F
    $GPVTG,,T,,M,,N,,K,N*2C
    $GPGGA,235949.053,,,,,0,00,,,M,0.0,M,,0000*50
    $GPGSA,A,1,,,,,,,,,,,,,,,*1E
    $GPRMC,235949.053,V,,,,,,,281006,,,N*46
    $GPVTG,,T,,M,,N,,K,N*2C
    $GPGGA,235950.053,,,,,0,00,,,M,0.0,M,,0000*58
    $GPGSA,A,1,,,,,,,,,,,,,,,*1E
    $GPRMC,235950.053,V,,,,,,,281006,,,N*4E
    $GPVTG,,T,,M,,N,,K,N*2C

    and i read this data and write to another txt file as

    bearing, longitude, latitude, speed,Dtime
    352.68, -93.46372, 45.01651, 19.60927416,7/1/2009 3:06:52 AM
    352.68, -93.46372, 45.01651, 19.60927416,7/1/2009 3:06:52 AM
    352.68, -93.46372, 45.01651, 19.60927416,7/1/2009 3:06:52 AM
    352.68, -93.46372, 45.01651, 19.60927416,7/1/2009 3:06:52 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    355.12, -93.4637283333333, 45.01659, 20.05807797,7/1/2009 3:06:53 AM
    358.09, -93.46373, 45.0166766666667, 21.02473233,7/1/2009 3:06:54 AM
    358.09, -93.46373, 45.0166766666667, 21.02473233,7/1/2009 3:06:54 AM
    358.09, -93.46373, 45.0166766666667, 21.02473233,7/1/2009 3:06:54 AM

    from this i have to plot pushpins

    thanks
    rajesh

  7. #7
    Eric Frost's Avatar
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    Re: Find road traffic details

    How do you know what are the scheduled stops?

    Eric
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  8. #8
    rajesh22 is offline Junior Member White Belt
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    Re: Find road traffic details

    The scheduled stops are customer's address ,that we have to compare later.but now i want to find all the stops and find specifically point out trafic stops and other stops.

  9. #9
    Eric Frost's Avatar
    Eric Frost is offline Administrator Black Belt
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    Re: Find road traffic details

    Do you have lat/lon of the customer addresses? You could do a proximity search to see of a stop is say within 0.1 of a mile of a customer address.

    How else are you going to identify which stops are scheduled stops?

    Eric
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  10. #10
    rajesh22 is offline Junior Member White Belt
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    Re: Find road traffic details

    Hi Eric,
    Now iam not worried about scheduled stops.we have the details about that in our database and the it is separate application.main thing is i want to find the traffic stops form the sample data i have mentioned above

    Thanks,
    Rajesh

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