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Need advice: creating multiple radii and exporting zips within each

This is a discussion on Need advice: creating multiple radii and exporting zips within each within the MapPoint Desktop Discussion forums, part of the Map Forums category; I'm super new to mappoint and have already been thrown in the deep end, any help would be greatly appreciated. ...

  1. #1
    jls
    jls is offline Junior Member White Belt
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    Need advice: creating multiple radii and exporting zips within each

    I'm super new to mappoint and have already been thrown in the deep end, any help would be greatly appreciated.

    I've imported a number of addresses (1000+) and now I'm looking for a way to set a radius around each pinpoint and then export all zip codes found within that radius. Is it possible to break that down even farther and get % of zip code within the radius?

    Thanks

    -J

  2. #2
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    Re: Need advice: creating multiple radii and exporting zips within each

    Percentage: no.

    The way to approach this would be to plot pushpins for each zipcode, and then export all pushpins within each shape.

    Custom programming would be better (as you have a lot of circles) - and this wouldn't even need to draw the circles because you could measure pushpin-pushpin distances and use these to determine which are written out. In fact, one you have the coordinates for your data points and the zipcode centroids, the whole thing could be coded without MapPoint (straight line distances can be determined from coordinates using trigonometry).

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

  3. #3
    rClarkMapPoint is offline RktDog Yellow Belt
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    Re: Need advice: creating multiple radii and exporting zips within each

    No Percentage, but MapPoint will do within a driving distance.

    I have a number of database programs which use my Zipcode database with Lat-Long coordinates for each. With the Great Circle calculations you can go from any point to locate customers within a radii.

    I get the Lat-Long on every addrss using MapPoint (with MapPoint I just set a pushpin, then get it's Lat-Long.) and/or Google Maps. But not every address is in MapPoint or any other mapping program, like new builds. With the Zipcode database and their average Lat-Long to compare the returned results against, just so MapPoint and the other don't send me miles away because the exact address exists in another state.

    If you don't want to get the Lat-Long of each address, just add a LatLonZip field to your contacts for the 5-digit zip for camparisons and a DistanceTo field for the storage of the Great Circle calculations. This works in most cases just fine, but a 50 mi radii may result it 75 to 100 driving miles.

    The Lat-Long is best for each address, just use the average Lat-Long for the zipcode for comparison when using any mapping software. Their data is only as good as the information provided. Mapping may show as designed, not as built.

    Hope this helps...

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