.NET Development: CanadaGeocodeAddress

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    • CommentAuthorgco
    • CommentTimeSep 9th 2009
     
    Can anyone give me an example of how to use CanadaGeocodeAddress with the Geocoder.GeoCode? I want to try to use this object to see if I can get better results using it with the Geocoder's GeoCode method for searches within Canada.

    I am trying to leverage the single line address search and the search seems to pull inaccurate results for Canadian regions and cities but seems to pull much better results for searches within the United States.
    • CommentAuthorgco
    • CommentTimeSep 23rd 2009
     
    So after some more testing, it seems that the issue with Geocode address search for Canadian addresses may be a map data issue.

    For instance, I have 4 search fields which include Address, City, Province, and Country.

    When I search for the following values I get invalid results:

    Address: 2175 29 st NE
    City: Calgary
    Province: Alberta
    Country: Canada

    Results(6): I get results that include addresses from other cities. E.g. [1300-2999] 29th Ave, coaldale, Alberta, T1M, and [5701-5799] 29A St, Lloydminister, Alberta, T9V

    When I search WITHOUT explicitly passing in province as a parameter i get valid results.

    Address: 2175 29 st NE
    City: Calgary
    Province:
    Country: Canada

    Results (1): 2175 29 St, NE, calgary, Alberta, T1y

    This does not occur for USA addresses. I get addresses within states if it is passed in as a parameter.
    Currently I am using TeleAtlas_Canada_9Q1_30x090501-1321aa.gbfs files which should be the most recent mapping data.
    • CommentAuthorgco
    • CommentTimeSep 23rd 2009
     
    As another example.

    14012 Deer Ridge Dr is a valid address of Calgary, Alberta, Canada

    if I use this address along with Canada as parameters I get results that DO NOT include the calgary address. However if I use the same address and pass in Calgary and Canada as 2 other parameters I get ONLY 1 address which is in Calgary.

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