在C＃中，如何通過經度和緯度值從“必應地圖”中獲取最近的位置？

Question

是的，我對此很陌生，所以我無法真正理解Bing提交的所有文檔。 但是，如果我有一個經度和緯度的雙（數值）值，那么如何在C＃中獲得最近的位置（最好是字符串形式）？ 我從舊教程中知道如何在MSRMaps中執行此操作，但是我絕對不知道如何在此處執行此操作。

非常感謝你！

編輯：我在這里找到了本教程： http : //msdn.microsoft.com/en-us/library/dd221354.aspx

我決定只選擇反向地理編碼，這就是我得到的：

static void Main(string[] args)
    {
        string location;
        location = ReverseGeocodePoint("47.608, -122.337");
        Console.WriteLine(location);

    }



    static string ReverseGeocodePoint(string locationString)
    {
        string results = "";
        string key = "Aq4VS_9C4juJKsP7hRFqWlYj0Mpd_ybl2vOmj_J9rugPvptWiOEa3tCzmXWvzm9J";
        ReverseGeocodeRequest reverseGeocodeRequest = new ReverseGeocodeRequest();

        // Set the credentials using a valid Bing Maps key
        reverseGeocodeRequest.Credentials = new GeocodeService.Credentials();
        reverseGeocodeRequest.Credentials.ApplicationId = key;

        // Set the point to use to find a matching address
        GeocodeService.Location point = new GeocodeService.Location();
        string[] digits = locationString.Split(',');

        point.Latitude = double.Parse(digits[0].Trim());
        point.Longitude = double.Parse(digits[1].Trim());

        reverseGeocodeRequest.Location = point;

        // Make the reverse geocode request
        GeocodeServiceClient geocodeService = new GeocodeServiceClient();
        GeocodeResponse geocodeResponse = geocodeService.ReverseGeocode(reverseGeocodeRequest);

        if (geocodeResponse.Results.Length > 0)
        results = geocodeResponse.Results[0].DisplayName;
        else
        results = "No Results found";

        return results;
     }
 }

只有我在GeocodeServiceClient geocodeService = new GeocodeServiceClient（）;處出錯。

說法：無法加載合同'GeocodeService.IGeocodeService'的端點配置部分，因為找到了該合同的多個端點配置。 請按名稱指示首選端點配置部分。

這對我意味着什么？

Answer 1

嘗試從這里開始。 地理編碼服務特別是您要尋找的是反向地理編碼

按照MSDN上的示例。

// Set a Bing Maps key before making a request
string key = "Bing Maps Key";

GeocodeService.ReverseGeocodeRequest reverseGeocodeRequest = new GeocodeService.ReverseGeocodeRequest();

// Set the credentials using a valid Bing Maps key
reverseGeocodeRequest.Credentials = new GeocodeService.Credentials();
reverseGeocodeRequest.Credentials.ApplicationId = key;

// Set the point to use to find a matching address
GeocodeService.Location point = new GeocodeService.Location();
point.Latitude = 47.608;
point.Longitude = -122.337;

reverseGeocodeRequest.Location = point;

// Make the reverse geocode request
GeocodeService.GeocodeServiceClient geocodeService =
new GeocodeService.GeocodeServiceClient("BasicHttpBinding_IGeocodeService");
GeocodeService.GeocodeResponse geocodeResponse = geocodeService.ReverseGeocode(reverseGeocodeRequest);

Results = geocodeResponse.Results[0].DisplayName;

Answer 2

您必須從App.Config / web.config中刪除其中一個端點

原始生成

<client>
            <endpoint address="http://dev.virtualearth.net/webservices/v1/geocodeservice/GeocodeService.svc"
                binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IGeocodeService"
                contract="Microsoft.Bing.GeocodeService.IGeocodeService" name="BasicHttpBinding_IGeocodeService" />
            <endpoint address="http://dev.virtualearth.net/webservices/v1/geocodeservice/GeocodeService.svc/binaryHttp"
                binding="customBinding" bindingConfiguration="CustomBinding_IGeocodeService"
                contract="Microsoft.Bing.GeocodeService.IGeocodeService" name="CustomBinding_IGeocodeService" />
        </client>

如果您從app.config / web.config中刪除端點配置之一，您的代碼將可以正常工作。

 <client>
            <endpoint address="http://dev.virtualearth.net/webservices/v1/geocodeservice/GeocodeService.svc"
                binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IGeocodeService"
                contract="Microsoft.Bing.GeocodeService.IGeocodeService" name="BasicHttpBinding_IGeocodeService" />
        </client>