public async Task <List <GeoCoordinate> > FillAltitude(List <GeoCoordinate> points, string key = "")
{
Logger.Write("Using MapzenAPI to obtian Altitude based on Longitude and Latitude.");
if (key != "")
{
ApiKey = key;
}
if (!ApiKey.Equals(""))
{
List <GeoCoordinate> pointsToRequest = new List <GeoCoordinate>();
foreach (var point in points)
{
if (pointsToRequest.Any(x => LocationUtils.CalculateDistanceInMeters(x, point) <= 30))
{
continue;
}
if (CheckForExistingAltitude(point.Latitude, point.Longitude))
{
continue;
}
pointsToRequest.Add(point);
}
var heights = await RequestHeights(pointsToRequest);
for (int index = 0; index < pointsToRequest.Count; index++)
{
if (index < heights.Count)
{
pointsToRequest[index].Altitude = heights[index];
_knownAltitude.Add(new GeoLatLonAlt()
{
Lat = pointsToRequest[index].Latitude,
Lon = pointsToRequest[index].Longitude,
Alt = pointsToRequest[index].Altitude
});
}
}
foreach (var point in points)
{
if (CheckForExistingAltitude(point.Latitude, point.Longitude))
{
point.Altitude = GetExistingAltitude(point.Latitude, point.Longitude);
}
else
{
point.Altitude = _session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120);
}
}
}
else
{
foreach (var point in points)
{
point.Altitude = _session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120);
}
}
return(points);
}
public double GetExistingAltitude(double lat, double lon)
{
var knownTemp = DbHandler.GetAltitudeForCoords(lat, lon, 30).ToArray();
if (!knownTemp.Any())
{
return(RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin,
_session.Settings.DefaultAltitudeMax));
}
var geoLatLonAlt = knownTemp.FirstOrDefault();
return(geoLatLonAlt?.Alt ?? RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax));
}
protected double GetHeight(string[] data)
{
if (data[2].Equals("ERROR"))
{
Logger.Write("There was an error grabbing Altitude from Mapzen API! Check your Elevation API Key!",
LogLevel.Warning);
return(_session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120));
}
Logger.Write("Successfully grabbed new Mapzen Elevation: " + data[2] + " Meters.");
var latLonAlt = new GeoLatLonAlt()
{
Lat = double.Parse(data[0], NumberStyles.Any, CultureInfo.InvariantCulture),
Lon = double.Parse(data[1], NumberStyles.Any, CultureInfo.InvariantCulture),
Alt = double.Parse(data[2], NumberStyles.Any, CultureInfo.InvariantCulture) + 0.8 + Math.Round(RandomExtensions.NextInRange(R, 0, 0.2), 7)
};
_knownAltitude.Add(latLonAlt);
return(latLonAlt.Alt);
}
public async Task <double> GetAltitude(double lat, double lon, string key = "")
{
Logger.Write("Using MapzenAPI to obtian Altitude based on Longitude and Latitude.");
if (key != "")
{
ApiKey = key;
}
if (CheckForExistingAltitude(lat, lon))
{
return(GetExistingAltitude(lat, lon));
}
if (!Equals(lat, default(double)) && !Equals(lon, default(double)) && !ApiKey.Equals(""))
{
return(GetHeight(new[]
{
lat.ToString(CultureInfo.InvariantCulture),
lon.ToString(CultureInfo.InvariantCulture),
await Request(Url(lat.ToString(CultureInfo.InvariantCulture), lon.ToString(CultureInfo.InvariantCulture),
key))
}));
}
return(_session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120));
}
public double GetExistingAltitude(double lat, double lon)
{
//trying to find points closer then 5m from search loc
return(_knownAltitude.FirstOrDefault(x => LocationUtils.CalculateDistanceInMeters(x.Lat, x.Lon, lat, lon) < 30)?.Alt ?? RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax));
}
protected async Task <List <double> > RequestHeights(List <GeoCoordinate> points)
{
var stopWatch = new Stopwatch();
stopWatch.Start();
var resList = new List <double>();
try
{
var httpUrl = PrepareUrlForList(points);
var get = "";
var request = (HttpWebRequest)WebRequest.Create(httpUrl);
request.Proxy = _session == null?WebRequest.GetSystemWebProxy() : _session.Proxy;
if (_session == null)
{
request.Proxy.Credentials = CredentialCache.DefaultCredentials;
}
request.AutomaticDecompression = DecompressionMethods.GZip;
using (var response = (HttpWebResponse)request.GetResponse())
using (var stream = response.GetResponseStream())
if (stream != null)
{
using (var reader = new StreamReader(stream))
{
get = reader.ReadToEnd();
}
}
var json = JObject.Parse(get);
stopWatch.Stop();
if (stopWatch.ElapsedMilliseconds < 10000)
{
await Task.Delay(10000 - (int)stopWatch.ElapsedMilliseconds);
}
foreach (var h in json["height"])
{
if (h.ToString().Equals("ERROR"))
{
resList.Add(_session != null ? RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120));
}
double hVal = 0;
if (!double.TryParse(h.ToString(), out hVal))
{
hVal = _session != null
? RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) + 0.8 + Math.Round(RandomExtensions.NextInRange(R, 0, 0.2), 5)
: R.Next(10, 120);
}
resList.Add(hVal);
}
}
catch (Exception ex)
{
Logger.Write("ERROR: " + ex.Message, LogLevel.Error);
return(resList);
}
finally
{
if (stopWatch.IsRunning)
{
stopWatch.Stop();
}
}
while (points.Count < resList.Count)
{
resList.Add(_session != null
? RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax)
: R.Next(10, 120));
}
return(resList);
}
public async Task <List <GeoCoordinate> > FillAltitude(List <GeoCoordinate> points, string key = "", CancellationToken token = default(CancellationToken))
{
Logger.Write("Using MapzenAPI to obtian Altitude based on Longitude and Latitude.");
if (key != "")
{
ApiKey = key;
}
if (!ApiKey.Equals(""))
{
var pointsToRequest = new List <GeoCoordinate>();
foreach (var point in points)
{
if (pointsToRequest.Any(x => LocationUtils.CalculateDistanceInMeters(x, point) <= 30))
{
continue;
}
if (CheckForExistingAltitude(point.Latitude, point.Longitude))
{
continue;
}
pointsToRequest.Add(point);
}
if (pointsToRequest.Any())
{
if (pointsToRequest.Count <= 50)
{
var heights = await RequestHeights(pointsToRequest);
var altToAdd = new List <GeoLatLonAlt>();
for (var index = 0; index < pointsToRequest.Count; index++)
{
if (index >= heights.Count)
{
continue;
}
pointsToRequest[index].Altitude = heights[index];
altToAdd.Add(new GeoLatLonAlt
{
Lat = pointsToRequest[index].Latitude,
Lon = pointsToRequest[index].Longitude,
Alt = pointsToRequest[index].Altitude
});
}
DbHandler.PushMapzenAltToDb(altToAdd);
}
else
{
while (pointsToRequest.Any())
{
var next50 = pointsToRequest.Take(50).ToList();
foreach (var rem in next50)
{
pointsToRequest.Remove(rem);
}
token.ThrowIfCancellationRequested();
var heights = await RequestHeights(next50);
var altToAdd = new List <GeoLatLonAlt>();
for (var index = 0; index < next50.Count; index++)
{
if (index >= heights.Count)
{
continue;
}
next50[index].Altitude = heights[index] + R.NextInRange(0.1, 0.8);
altToAdd.Add(new GeoLatLonAlt
{
Lat = next50[index].Latitude,
Lon = next50[index].Longitude,
Alt = next50[index].Altitude
});
}
await Task.Delay(10000, token);
DbHandler.PushMapzenAltToDb(altToAdd);
}
}
}
foreach (var point in points)
{
if (CheckForExistingAltitude(point.Latitude, point.Longitude))
{
point.Altitude = GetExistingAltitude(point.Latitude, point.Longitude);
}
else
{
point.Altitude = _session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120);
}
}
}
else
{
foreach (var point in points)
{
point.Altitude = _session != null?RandomExtensions.NextInRange(R, _session.Settings.DefaultAltitudeMin, _session.Settings.DefaultAltitudeMax) : R.Next(10, 120);
}
}
return(points);
}