public static SWEREF99Position ToSweRef99(this WebMercatorPosition pos)
{
var calc = new WebMercatorCalculator();
var wgs84Pos = new WGS84Position(calc.YToLatitude(pos.Latitude), calc.XToLongitude(pos.Longitude));
return(new SWEREF99Position(wgs84Pos, SWEREF99Position.SWEREFProjection.sweref_99_tm));
}
public static RT90Position ToRt90(this WebMercatorPosition pos)
{
var calc = new WebMercatorCalculator();
var wgs84Pos = new WGS84Position(calc.YToLatitude(pos.Latitude), calc.XToLongitude(pos.Longitude));
return(new RT90Position(wgs84Pos, RT90Position.RT90Projection.rt90_2_5_gon_v));
}
private double GetDistanceKm(WebMercatorPosition pos1, WebMercatorPosition pos2)
{
var dLat = pos1.Latitude - pos2.Latitude;
var dLng = pos1.Longitude - pos2.Longitude;
return(Math.Sqrt(dLat * dLat + dLng * dLng) / 1000);
}
public void ToWgs84_FromWebMercator(double lat, double lng, double expectedLat, double expectedLng, int decimals)
{
var pos = new WebMercatorPosition(lat, lng);
var converted = PositionConverter.ToWgs84(pos);
Assert.AreEqual(Math.Round(expectedLat, decimals, MidpointRounding.AwayFromZero), Math.Round(converted.Latitude, decimals, MidpointRounding.AwayFromZero));
Assert.AreEqual(Math.Round(expectedLng, decimals, MidpointRounding.AwayFromZero), Math.Round(converted.Longitude, decimals, MidpointRounding.AwayFromZero));
}
public async Task <IList <Site> > GetNearbySites(double latitude, double longitude, double distanceRadians)
{
var distance = distanceRadians * 7500000;
if (distance == 0)
{
distance = 5000;
}
var pos = new WGS84Position(latitude, longitude).ToWebMercator();
var sw = new WebMercatorPosition(pos.Latitude - distance, pos.Longitude - distance);
var ne = new WebMercatorPosition(pos.Latitude + distance, pos.Longitude + distance);
var sites = await _ap2WebClient.GetSitesWithinBoundsAsync(sw, ne);
_artportalenAccountStorage.SaveCookies();
// Run this in background for non blocking of UI
Task.Run(async() =>
{
await UpdateSites(sites).ContinueWith(t =>
{
if (t.IsFaulted)
{
t.Exception.Handle(ex => true);
}
return(t.Result);
});
});
var webMercCalc = new WebMercatorCalculator();
return(sites.Select(s =>
new Site
{
SiteId = s.SiteId,
SiteName = s.SiteName,
SiteYCoord = s.SiteYCoord,
SiteXCoord = s.SiteXCoord,
Latitude = webMercCalc.YToLatitude(s.SiteYCoord),
Longitude = webMercCalc.XToLongitude(s.SiteXCoord),
Kommun = s.Kommun,
DistanceKm = GetDistanceKm(pos, new WebMercatorPosition(s.SiteYCoord, s.SiteXCoord)),
}
).OrderBy(x => x.DistanceKm).ToList());
}
public async Task<IList<Site>> GetNearbySites(double latitude, double longitude, double distanceRadians)
{
var distance = distanceRadians*7500000;
if (distance == 0) distance = 5000;
var pos = new WGS84Position(latitude, longitude).ToWebMercator();
var sw = new WebMercatorPosition(pos.Latitude - distance, pos.Longitude - distance);
var ne = new WebMercatorPosition(pos.Latitude + distance, pos.Longitude + distance);
var sites = await _ap2WebClient.GetSitesWithinBoundsAsync(sw, ne);
_artportalenAccountStorage.SaveCookies();
// Run this in background for non blocking of UI
Task.Run(async () =>
{
await UpdateSites(sites).ContinueWith(t =>
{
if (t.IsFaulted)
{
t.Exception.Handle(ex => true);
}
return t.Result;
});
});
var webMercCalc = new WebMercatorCalculator();
return sites.Select(s =>
new Site
{
SiteId = s.SiteId,
SiteName = s.SiteName,
SiteYCoord = s.SiteYCoord,
SiteXCoord = s.SiteXCoord,
Latitude = webMercCalc.YToLatitude(s.SiteYCoord),
Longitude = webMercCalc.XToLongitude(s.SiteXCoord),
Kommun = s.Kommun,
DistanceKm = GetDistanceKm(pos, new WebMercatorPosition(s.SiteYCoord, s.SiteXCoord)),
}
).OrderBy(x => x.DistanceKm).ToList();
}
public static WGS84Position ToWgs84(this WebMercatorPosition pos)
{
var calc = new WebMercatorCalculator();
return(new WGS84Position(calc.YToLatitude(pos.Latitude), calc.XToLongitude(pos.Longitude)));
}
private double GetDistanceKm(WebMercatorPosition pos1, WebMercatorPosition pos2)
{
var dLat = pos1.Latitude - pos2.Latitude;
var dLng = pos1.Longitude - pos2.Longitude;
return Math.Sqrt(dLat * dLat + dLng * dLng) / 1000;
}
