public static string getproj(List <string> args)
{
if (args.Count < 0)
{
return("getproj requires at least 1 argument");
}
string authCode = args[0];
string projection = AutoProjection.GetProjection(authCode);
return(projection);
}
public static string quack(List <string> args)
{
try
{
double lat = Convert.ToDouble(args[0]);
double lon = Convert.ToDouble(args[1]);
if (args.Count > 2)
{
string unit = args[2];
string projection = AutoProjection.GetProjection(lat, lon, unit);
return(projection);
}
else
{
string projection = AutoProjection.GetProjection(lat, lon);
return(projection);
}
}
catch
{
return("What the quack? You didn't quack right. Enter 'quack latitude longitude unit(optional)'. QUACK!");
}
}
public static bool GetProjectionFromGeoJson(string fileName, out string projectionName, out string projection)
{
string geoJson = File.ReadAllText(fileName);
ProtoGeoJSON obj = JsonConvert.DeserializeObject <ProtoGeoJSON>(geoJson);
projectionName = string.Empty;
projection = string.Empty;
ICRSObject crs = null;
switch (obj.Type)
{
case "FeatureCollection":
GFeatureCollection features = JsonConvert.DeserializeObject <GFeatureCollection>(geoJson);
crs = features.CRS;
break;
case "Feature":
GFeature feature = JsonConvert.DeserializeObject <GFeature>(geoJson);
crs = feature.CRS;
break;
case "MultiPolygon":
GMultiPolygon multiPoly = JsonConvert.DeserializeObject <GMultiPolygon>(geoJson);
crs = multiPoly.CRS;
break;
case "Polygon":
GPolygon poly = JsonConvert.DeserializeObject <GPolygon>(geoJson);
crs = poly.CRS;
break;
default:
break;
}
if (crs is NamedCRS)
{
NamedCRS nCrs = crs as NamedCRS;
object value;
if (nCrs.Properties.TryGetValue("name", out value))
{
string name = value as string;
if (name != null)
{
name = name.ToLower();
if (name.EndsWith("3857"))
{
projectionName = "EPSG:3857 Pseudo-Mercator";
projection = CoordinateConverter.WebMercator.WKT;
return(true);
}
else
{
int index = name.IndexOf("epsg::");
string epsgStr = name.Substring(index);
string authNumber = epsgStr.Substring(epsgStr.IndexOf("::") + 2);
projection = AutoProjection.GetProjection(authNumber);
if (projection != string.Empty)
{
projectionName = string.Format("EPSG:{0}", authNumber);
return(true);
}
}
}
}
}
projectionName = "EPSG:4326 Lat-Long";
projection = CoordinateConverter.WGS84.WKT;
return(true);
}
