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MP 2004 IS SHOWING PUSHPINS IN WRONG LOCATION

This is a discussion on MP 2004 IS SHOWING PUSHPINS IN WRONG LOCATION within the MapPoint Desktop Discussion forums, part of the Map Forums category; I am new to MP 2004 and have imported 1016 customer addresses from excel to MP. 840 of the addresses ...

  1. #1
    MAKAZA is offline Junior Member White Belt
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    MP 2004 IS SHOWING PUSHPINS IN WRONG LOCATION

    I am new to MP 2004 and have imported 1016 customer addresses from excel to MP. 840 of the addresses are shown correctly but the remaining addresses are all shown in one location some 200 miles distant from the correct location. Can anyone offer any advice as to why this is happening and how to correct it?

    Any help would be appreciated
    Makaza

  2. #2
    Eric Frost's Avatar
    Eric Frost is offline Administrator Black Belt
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    It depends on the specific addresses.. try tweaking the address including city and zip code on the ones that don't match to figure out if you can make the match, otherwise your best bet would just be to place them manually.
    Eric
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  3. #3
    Chris_Taverrner is offline Junior Member White Belt
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    and possibly

    If you are not using addresses, but Lat Lon co-ordinates: Check to see whether the lat or lon is negative. This will apply in UK especially. If you are using a variable type other than double to store the lat lon, it can result in a variation of a few hundred miles easily. (Trust me I've made that mistake a hundred times).
    All comments are posted in good faith. I am quite happy to offer any help I can, whether it be by email, Skype (chris.tav) or any other means. I am not a Mappoint professional, however I use it a lot more than is good for me!

    Cheers to you all.. and thanks to those who have helped me within this forum.

  4. #4
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    If coordinates (lat,long), or OS Grid References are being used, then errors of "200 metres" could easily be a geoid problem.

    MapPoint uses WGS94.

    MapPoint 2002 has a bug that uses the wrong geoid for OSGR coords.
    This is fixed in MapPoint 2004.
    (OSGRs use Airy '36, but Microsoft accidentally used WGS84 in MapPoint 2002)


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

  5. #5
    Wilfried is offline Senior Member Black Belt
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    Re: and possibly

    Hi,

    Trust me I've made that mistake a hundred times
    Me only 10 times. But I only have 10 customars in UK driving around the meridian

  6. #6
    Wilfried is offline Senior Member Black Belt
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    Hi Richard,


    MapPoint uses WGS94.
    Euh I hope this is typo and you mean WGS84 ?

  7. #7
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    Yes

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

  8. #8
    brianmcg is offline Junior Member Yellow Belt
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    Hi Makaza,

    Based on your description (that all error locations are being shown at the same location), it sounds like the addresses are being validated based on the State or Postal/Zip Code or some other high level address part. You might try manually checking the bad locations to see if there's a consistent pattern (spelling errors, etc.) that could be corrected in the base data.

    Hope this helps.
    Brian McGrath
    CAD North Inc.
    http://www.cadnorth.com

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