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Defining Mapping Areas by Lat/Long

This is a discussion on Defining Mapping Areas by Lat/Long within the MapPoint Desktop Discussion forums, part of the Map Forums category; Trialling MP2002 European Edition for aerospace management project. I am trying to map data on UK and North Sea airspace ...

  1. #1
    amyles is offline Junior Member White Belt
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    Defining Mapping Areas by Lat/Long

    Trialling MP2002 European Edition for aerospace management project. I am trying to map data on UK and North Sea airspace usage. Airspace is divided into sectors, defined by multiple Lat/Long co-ordinates. Avoidance areas are primarily circles defined by centerpoint (Lat/Long)and radius (miles) but can be more complex.

    Managed to present avoidance areas to a certain extent using the sized circles mapping but unable to provide accuracy with the circles dimensions.

    No luck in defining user specied areas (territories?) as it won't accept non-county/postcode data (ie Lat/Long)

    Any assistance or suggestions in this matter would be gratefully received.

  2. #2
    John Meyer's Avatar
    John Meyer is offline Senior Member Blue Belt
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    Why do you think you are unable to provide accuracy within the circle dimensions?

    If you have Lat/Lon for that define the sectors, that can be used to draw polylines (closed polygon) to show the Airspace Sectors.

  3. #3
    amyles is offline Junior Member White Belt
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    Lat/long limitations

    John, many thanks for your prompt reply,

    Project initially aims to provide real time interactive displaying of restricted airspace over UK and N Sea. Test Data is in 6 column Excel (97) spreadsheet (AreaName, Lat, Long, Radius, Altitude, Remarks). Initial Mapping provided accurate pushpin positions, easily accessable suplementary information via labels and the options to hide away or display the name only. Only when mapping by lat/long with circles sized by radius did the accuracy drop, particularily after moving the map or resizing (How do I tell MP that the radius figures in my table are in miles?). Ideal solution will be for the restricted areas to be entered into a database in advance, queried each day and placed automatically onto MP. Finished map will be posted onto an intranet as well as being linked to a powerpoint slide.

    As far as drawing the sectors and more complex restricted areas are concerned, I think that VB6 could possibly be used to draw lines on MP by lat/long. But my lack of VB skills (one VB3 module at college, 4 years ago) will make this more difficult. I've tried to draw the sectors using both the location sensor and the find lat/long position tools but they are just too time consuming. (where are the macros in MP?). Sectors automatically draw from lat/long positions stored in an access (97) database would be the ideal answer, but really don't know where to start on that one.

    Once again, I'm open to suggestions.

    Thanks
    Gus

  4. #4
    John Meyer's Avatar
    John Meyer is offline Senior Member Blue Belt
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    Gus,

    It sound like a VB Application waiting to be written!

    On the tools menu\options you can change the unites from km to miles

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