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Round-tripping Street address to LatLong
This is a discussion on Round-tripping Street address to LatLong within the Development forums, part of the MapPoint 2006/2009 Discussion category; Hi! I Search a location in MapPoint 2006 (European version) using an adress and from the found Location (one hit) ...
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09-18-2007
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| Round-tripping Street address to LatLong I Search a location in MapPoint 2006 (European version) using an adress and from the found Location (one hit) I get Latitude and Longitude. If I later try to use the same Latitude and Longitude to find the street address it only works in some cases and in some other cases I only almost get the same address. For example: Streetaddress: Hagagatan 26 City: Stockholm Country: Sverige Gives: Latitude = 59.346137568354607 and Longitude = 18.051149575039744 And using that LatLong we get back: Streetaddress: Hagagatan 23 City: Stockholm Country: Sverige Why is this? Is there no way to do this in an exact way in mappoint, or is this just a bug in our code? Regards / Michael         |
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09-18-2007
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| Re: Round-tripping Street address to LatLong
How are you getting the address from the lat/lon? Reverse geocoding with MapPoint is not really exact, the reverse geocoding algorithms are just hacks. I don't think there is any way to do it exactly.. Eric |
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09-19-2007
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| Re: Round-tripping Street address to LatLong
Hi Eric! We use: Location objLocation = map.GetLocation(latitude, longitude, 1); objLocation.GoTo(); FindResults mapResults = map.ObjectsFromPoint(map.LocationToX(objLocation), map.LocationToY(objLocation)); If I then look at the mapResults there is only one Location that has a StreetAddress. Regards / Michael |
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09-19-2007
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| Re: Round-tripping Street address to LatLong
Hmm, well I guess it just doesn't work the way you want. My only thought if you need it would be to maintain a database of your lookups so that when you make the round trip you can refer back to your database first before making a call to MapPoint. Eric |
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09-19-2007
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| Re: Round-tripping Street address to LatLong
OK! Thanks for your reply. In my case i got the adress (including Latitude and Longitude) from another application that uses MapPoint and I wanted a way to verify the data that was sent to "my" application. But I gues that's not possible to do. Anyway I really appriciate your quick response to my questions. Regards / Michael |
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| Posted By | For | Type | Date | |
| Programming MapPoint in .NET - MP2K Magazine | This thread | Refback | 09-27-2007 12:11 AM | |
| A More Compact Method for Obtaining Lat/Long - MapPoint Articles - MP2K Magazine | This thread | Refback | 09-18-2007 10:40 AM | |
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| Obtain LatLong with Address | ivan | MapPoint Web Service and Virtual Earth | 5 | 05-24-2007 04:00 PM |
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| LatLong to Address ?? | xaxas | MapPoint 2006/2009 Discussion | 4 | 06-03-2006 05:13 PM |
| Getting 'second' street address | Anonymous | MapPoint 2006/2009 Discussion | 1 | 05-06-2004 09:31 AM |
| GeoRoadType from Street Address | Anonymous | MapPoint 2006/2009 Discussion | 0 | 01-25-2004 05:22 AM |
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