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Drive time polygons - help needed

This is a discussion on Drive time polygons - help needed within the MapPoint Desktop Discussion forums, part of the Map Forums category; I'm attempting to generate drive time polygons to answer a basic question. We have members all geocoded in SQL Server ...

  1. #1
    Michael Clifford is offline Junior Member White Belt
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    Feb 2010
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    Drive time polygons - help needed

    I'm attempting to generate drive time polygons to answer a basic question. We have members all geocoded in SQL Server 2008, which supports geospatial operations. We have "crow flies" distances to our facilities for each member, but desire an area drawn that describes a 20 drive *time*.

    Of course, this is easy to show on a MapPoint map. We need to then determine which members (potentially 250K) are in the 20 minute bounday of the polygon. This is easy if a data filled shapefile can be exported of the points of the polygon into ESRI and another utility is used to import into SQL and the operations are done from SQL server, not the Mappoint desktop.

    I've tried the MPSuperShape add in, but no dbf contents seem to be exported in the project . I can simplify the polygon to a dozen points and put in pushpins and read the lat/long of each pushpin in the status bar. Now here's where I need help: Can I programmatically enum and export the lats and longs or better yet, a data filled polygon?

    Any help is appreciated. Thanks in advance.

    Michael Clifford

  2. #2
    Mattys Consulting's Avatar
    Mattys Consulting is offline Senior Member Black Belt
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    Re: Drive time polygons - help needed

    Hi Michael,

    We create our own utils in C#; that one is most useful.
    Interestingly, shapes in MapPoint cannot exist with a hole in them,
    so shapes overlap.

    You'd use:

    Foreach Shape
    {
    dataSet.QueryShape
    }

    Michael R Mattys
    Business Process Developers
    Mattys Consulting Maps & Custom Programming

  3. #3
    Michael Clifford is offline Junior Member White Belt
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    Re: Drive time polygons - help needed

    Sorry, I'm not comprehending. What utility?

    Michael

  4. #4
    Mattys Consulting's Avatar
    Mattys Consulting is offline Senior Member Black Belt
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    Re: Drive time polygons - help needed

    Hi Michael,

    We make our own Addins in C# using Visual Studio.
    We also program SQL Server 2008 Geography/Geometry.


    Michael R Mattys
    Business Process Developers
    Mattys Consulting Maps & Custom Programming

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