public static string LonLatExtentStringToWebMctExtentString(string lonLatExtentString)
{
string returnString;
var split = lonLatExtentString.Split(',');
var lb = new CoordinateDouble()
{
X = Convert.ToDouble(split[0]),
Y = Convert.ToDouble(split[1])
};
var rt = new CoordinateDouble()
{
X = Convert.ToDouble(split[2]),
Y = Convert.ToDouble(split[3])
};
WebClient webClient = new WebClient();
List <CoordinateDouble> coordinateDoubles = new List <CoordinateDouble>()
{
lb, rt
};
List <double> vs = new List <double>();
foreach (var item in coordinateDoubles)
{
WebClient wc = new WebClient();
var downStr = wc.DownloadString(String.Format("http://epsg.io/trans?x={0}&y={1}&z=0&s_srs=4490&t_srs=3857", item.X, item.Y));
var mct = JsonConvert.DeserializeObject <CoordinateDouble>(downStr);
vs.Add(mct.X);
vs.Add(mct.Y);
}
returnString = String.Format("{0},{1},{2},{3}", vs[0], vs[1], vs[2], vs[3]);
return(returnString);
var mctlb = new CoordinateDouble();
var mctrt = new CoordinateDouble();
var taskOfLb = new WebClient().
DownloadStringTaskAsync(new Uri(String.Format("http://epsg.io/trans?x={0}&y={1}&z=0&s_srs=4490&t_srs=3857", lb.X, lb.Y))).
ContinueWith((res) =>
{
mctlb = JsonConvert.DeserializeObject <CoordinateDouble>(res.Result);
;
});
var taskOfRt = new WebClient().
DownloadStringTaskAsync(new Uri(String.Format("http://epsg.io/trans?x={0}&y={1}&z=0&s_srs=4490&t_srs=3857", rt.X, rt.Y))).
ContinueWith((res) =>
{
mctrt = JsonConvert.DeserializeObject <CoordinateDouble>(res.Result);
});
//var mctlb =
taskOfLb.Wait();
taskOfRt.Wait();
returnString = String.Format("{0},{1},{2},{3}", mctlb.X, mctlb.Y, mctrt.X, mctrt.Y);
return(returnString);
}
public static CoordinateDouble EpsgTransform(CoordinateDouble sourceCoordinate, string sourceProjectionCode, string targetProjectionCOde)
{
var returnCoordinate = new CoordinateDouble();
return(new CoordinateDouble());
}
