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How precise are the latitude and longitude coordinates from REST API? RRS feed

  • Question

  • I am currently using the REST API to return latitude and longitude coordinates for a list of addresses. I can't seem to find documentation on how precise these coordinates are, or even how they are acquired (for instance, is it the top of a building for a street address, or the road in front of the address, etc.). Any help would be much appreciated!
    Thursday, September 15, 2016 5:20 PM

Answers

  • There are multiple pieces of information in the REST service response that provide this information. Take a look at these properties:

    • confidence - A High, Medium, Low value that indicates how confident the geocoder is with the returned result compared to the query you passed in.
    • matchCode - Indicates at what level the query was matched at.
    • geocodePoints - Each coordinate in here has a calculationMethod and usageTypes property. The calculation method indicates how accurate the coordinate is; Rooftop being the most accurate, followed by Parcel, then interpolation. UsageTypes indicates if the coordinate is meant for display, which will likely be the closest to the house/building or for routing, which will be snapped to the road.

    You can find a bunch of details around these properties in the documentation here: https://msdn.microsoft.com/en-us/library/ff701725.aspx


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    Thursday, September 15, 2016 6:40 PM