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Display pushpins using Eastings and Northings

This is a discussion on Display pushpins using Eastings and Northings within the MapPoint Desktop Discussion forums, part of the Map Forums category; I have tried to add pushpins by using eastings and northings (our client GIS sends it that way e.g. 403947 ...

  1. #1
    Landyd is offline Junior Member White Belt
    Join Date
    May 2006
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    3

    Display pushpins using Eastings and Northings

    I have tried to add pushpins by using eastings and northings (our client GIS sends it that way e.g. 403947 419814 - Ripponden Yorks)

    The mappoint wizard (OS Grid ref) seems to be happy taking data this way
    However when I try to use the same data to add pushpins from within VB.NET using the following, I get a failure.

    AxMappointControl1.ActiveMap.LocationFromOSGridRef erence()

    As far as I can determine this doesnt seem to be supported and I may have to convert the easting and northing data to another form.

    Is this correct and If so does anyone know of a converter that I can use, or is there another way to use the easing and northing data.

    Thanks

    Dave

  2. #2
    Wilfried is offline Senior Member Black Belt
    Join Date
    Nov 2004
    Location
    Belgium
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    2,433
    Hi,

    No idea if it is a bug or not. Have you tryed with and without spaces ? Have you also the coordinates with letters to try ?

    Another approach could be that you calculate the position in lat/long. You have the origin values of the OS grid, the numbers are the distance north / east. Maybe you can do with (or start with) simple triogometry, you maybe have a small dillusion of precision, but could be very small.

  3. #3
    Landyd is offline Junior Member White Belt
    Join Date
    May 2006
    Posts
    3
    Thanks - working fine now, the problem lay elsewhere the error messages were a little misleading.

    In my search for converters I found one which worked well and I used it to check the accuracy of my mechanism

    http://www.ordnancesurvey.co.uk/oswe...tsoftware.html

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