/// <summary>
/// Updates the position.
/// </summary>
/// <param name="location">The location.</param>
private void UpdatePosition(CLLocation location)
{
var p = (_position == null) ? new Position() : new Position(_position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
if (location.Speed > -1)
{
p.Speed = location.Speed;
}
p.Timestamp = new DateTimeOffset((DateTime)location.Timestamp);
_position = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
private void UpdatePosition(CLLocation location)
{
Position p = (this.position == null) ? new Position() : new Position(this.position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
if (location.Speed > -1)
{
p.Speed = location.Speed;
}
p.Timestamp = GetTimestamp(location);
this.position = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
private void UpdatePosition(CLLocation location)
{
Position p = (this.position == null) ? new Position() : new Position(this.position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
if (location.Speed > -1)
{
p.Speed = location.Speed;
}
var dateTime = DateTime.SpecifyKind(location.Timestamp.ToDateTime(), DateTimeKind.Unspecified);
p.Timestamp = new DateTimeOffset(dateTime);
this.position = p;
this.OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
void UpdatePosition(CLLocation location)
{
var p = (position == null) ? new Position() : new Position(this.position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
if (location.Speed > -1)
{
p.Speed = location.Speed;
}
var dateTime = location.Timestamp.ToDateTime().ToUniversalTime();
p.Timestamp = new DateTimeOffset(dateTime);
position = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
static async Task UpdatePosition(CLLocation location)
{
var result = new GeoPosition
{
Accuracy = location.HorizontalAccuracy,
Latitude = location.Coordinate.Latitude,
Longitude = location.Coordinate.Longitude,
Altitude = location.Altitude,
AltitudeAccuracy = location.VerticalAccuracy,
Speed = location.Speed
};
if (location.VerticalAccuracy == -1)
{
result.Altitude = null;
result.AltitudeAccuracy = null;
}
if (location.Speed == -1)
{
result.Speed = null;
}
await PositionChanged?.RaiseOn(Thread.Pool, result);
location.Dispose();
}
void UpdatePosition(CLLocation location)
{
var p = (lastPosition == null) ? new Position() : new Position(this.lastPosition);
p.HasAccuracy = true;
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.HasLatitudeLongitude = true;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.HasAltitude = true;
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
#if __IOS__ || __MACOS__
if (location.Speed > -1)
{
p.HasSpeed = true;
p.Speed = location.Speed;
}
if (includeHeading && location.Course > -1)
{
p.HasHeading = true;
p.Heading = location.Course;
}
#endif
try
{
var date = location.Timestamp.ToDateTime();
p.Timestamp = new DateTimeOffset(date);
}
catch (Exception)
{
p.Timestamp = DateTimeOffset.UtcNow;
}
lastPosition = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
//Caution: If radius is too large results will be HUGE!
//radius in meters
public IEnumerable<BusStop> getAllBusStops(CLLocation aboutLoc, double radius)
{
List<BusStop> stops = new List<BusStop>(30);
using (LumenWorks.Framework.IO.Csv.CsvReader csv = new LumenWorks.Framework.IO.Csv.CsvReader(getReader("stops.txt"),true)) {
while (csv.ReadNextRecord()){
CLLocation loc = new CLLocation(double.Parse(csv["stop_lat"]), double.Parse(csv["stop_lon"]));
if (loc.DistanceFrom(aboutLoc)<=radius)
stops.Add(new BusStop(csv["stop_name"],int.Parse(csv["stop_id"]), loc));
loc.Dispose();
}
return stops;
}
}
public BusStop? getClosestStop(CLLocation aboutLoc)
{
int closestId = -1;
double closestDist=double.MaxValue;
using (CsvReader csv = new CsvReader(getReader("stops.txt"),true)) {
while (csv.ReadNextRecord()){
CLLocation loc = new CLLocation(double.Parse(csv["stop_lat"]), double.Parse(csv["stop_lon"]));
if (loc.DistanceFrom(aboutLoc)<=closestDist)
closestId=int.Parse(csv["stop_id"]);
loc.Dispose();
}
}
return (closestId==-1)?null:getStopInfo(closestId);
}
//Caution: If radius is too large results will be HUGE!
//radius in meters
public IEnumerable <BusStop> getAllBusStops(CLLocation aboutLoc, double radius)
{
List <BusStop> stops = new List <BusStop>(30);
using (LumenWorks.Framework.IO.Csv.CsvReader csv = new LumenWorks.Framework.IO.Csv.CsvReader(getReader("stops.txt"), true)) {
while (csv.ReadNextRecord())
{
CLLocation loc = new CLLocation(double.Parse(csv["stop_lat"]), double.Parse(csv["stop_lon"]));
if (loc.DistanceFrom(aboutLoc) <= radius)
{
stops.Add(new BusStop(csv["stop_name"], int.Parse(csv["stop_id"]), loc));
}
loc.Dispose();
}
return(stops);
}
}
//a more memory friendly way to get the closest stop than getting a list, sorting, and tossing
public BusStop?getClosestStop(CLLocation aboutLoc)
{
var allStops = SafeQuery <GTFS_Stop>("select * from stops");
int closestId = -1;
double closestDist = double.MaxValue;
foreach (GTFS_Stop stop in allStops)
{
CLLocation loc = new CLLocation(stop.stop_lat, stop.stop_lon);
if (loc.DistanceFrom(aboutLoc) <= closestDist)
{
closestId = stop.stop_id;
}
loc.Dispose();
}
return((closestId == -1)?null:getStopInfo(closestId));
}
public BusStop?getClosestStop(CLLocation aboutLoc)
{
int closestId = -1;
double closestDist = double.MaxValue;
using (CsvReader csv = new CsvReader(getReader("stops.txt"), true)) {
while (csv.ReadNextRecord())
{
CLLocation loc = new CLLocation(double.Parse(csv["stop_lat"]), double.Parse(csv["stop_lon"]));
if (loc.DistanceFrom(aboutLoc) <= closestDist)
{
closestId = int.Parse(csv["stop_id"]);
}
loc.Dispose();
}
}
return((closestId == -1)?null:getStopInfo(closestId));
}
private void UpdatePosition(CLLocation location)
{
var p = _Position == null ? new Position() : new Position(_Position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
#if __IOS__ || __MACOS__
if (location.Speed > -1)
{
p.Speed = location.Speed;
}
#endif
try
{
var date = location.Timestamp.ToDateTime();
p.Timestamp = new DateTimeOffset(date);
}
catch
{
//TODO: Error swallowed
p.Timestamp = DateTimeOffset.UtcNow;
}
_Position = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
private void UpdatePosition(CLLocation location)
{
Position p = (this.position == null) ? new Position() : new Position(this.position);
if (location.HorizontalAccuracy > -1)
{
p.Accuracy = location.HorizontalAccuracy;
p.Latitude = location.Coordinate.Latitude;
p.Longitude = location.Coordinate.Longitude;
}
if (location.VerticalAccuracy > -1)
{
p.Altitude = location.Altitude;
p.AltitudeAccuracy = location.VerticalAccuracy;
}
if (location.Speed > -1)
p.Speed = location.Speed;
//p.Timestamp = new DateTimeOffset(location.Timestamp);
this.position = p;
OnPositionChanged(new PositionEventArgs(p));
location.Dispose();
}
