/// <summary>
/// When passed a file, open it and parse all routes and route segments from it.
/// </summary>
/// <param name="gpxDoc">Fully qualified file name (local)</param>
/// <returns>
/// A List of PositionData
/// </returns>
public static IEnumerable <PositionData> LoadPositionData(XDocument gpxDoc)
{
XNamespace gpx = XNamespace.Get("http://www.topografix.com/GPX/1/1");
XNamespace ins = XNamespace.Get("http://www.w3.org/2001/XMLSchema-instance/ins");
return(from routepoint in gpxDoc.Descendants(gpx + "rtept")
let extensions = routepoint.Element(gpx + "extensions")
let inertial = extensions != null?extensions.Element(ins + "inertial") : null
select new PositionData
{
Latitude = XmlConvert.ToDouble(routepoint.Attribute("lat").Value),
Longitude = XmlConvert.ToDouble(routepoint.Attribute("lon").Value),
Utc = routepoint.Element(gpx + "time") != null
? XmlConvert.ToDateTime(routepoint.Element(gpx + "time").Value, XmlDateTimeSerializationMode.Utc)
: DateTime.MinValue,
Altitude = routepoint.Element(gpx + "geoidheight") != null
? XmlConvert.ToDouble(routepoint.Element (gpx + "geoidheight").Value)
: routepoint.Element(gpx + "ele") != null
? XmlConvert.ToDouble(routepoint.Element (gpx + "ele").Value)
: 0d,
Quality = routepoint.Element(gpx + "fix") != null
? GpxConvert.ToFixType(routepoint.Element (gpx + "fix").Value)
: FixType.None,
NbSatellites = routepoint.Element(gpx + "sat") != null
? XmlConvert.ToInt32(routepoint.Element (gpx + "sat").Value)
: 0,
InsData = inertial != null
? new InsData
{
AccelerationX = XmlConvert.ToDouble(inertial.Element(gpx + "accx").Value),
AccelerationY = XmlConvert.ToDouble(inertial.Element(gpx + "accy").Value),
AccelerationZ = XmlConvert.ToDouble(inertial.Element(gpx + "accz").Value),
AngularRateX = XmlConvert.ToDouble(inertial.Element(gpx + "angrtx").Value),
AngularRateY = XmlConvert.ToDouble(inertial.Element(gpx + "angrty").Value),
AngularRateZ = XmlConvert.ToDouble(inertial.Element(gpx + "angrtz").Value),
DownVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "dvelo").Value),
EastVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "evelo").Value),
NorthVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "nvelo").Value),
Heading = XmlConvert.ToDouble(inertial.Element(gpx + "heading").Value),
Pitch = XmlConvert.ToDouble(inertial.Element(gpx + "pitch").Value),
Roll = XmlConvert.ToDouble(inertial.Element(gpx + "roll").Value),
}
: null
});
}
/// <summary>
/// When passed a file, open it and parse all routes and route segments from it.
/// </summary>
/// <param name="filePath">Fully qualified file name (local)</param>
/// <returns>
/// A List of PositionData
/// </returns>
public static IEnumerable <GpxData> LoadGpxData(string filePath, bool useCorrectedValue)
{
XDocument gpxDoc = XDocument.Load(filePath);
XNamespace gpx = XNamespace.Get("http://www.topografix.com/GPX/1/1");
XNamespace ins = XNamespace.Get("http://www.w3.org/2001/XMLSchema-instance/ins");
string version = gpxDoc.Root.FirstAttribute.Value;
if (version == "1.1")
{
useCorrectedValue = false;
}
return(from routepoint in gpxDoc.Descendants(gpx + "rtept")
let extensions = routepoint.Element(gpx + "extensions")
let correctedPositionValue = extensions.Element(gpx + "CorrectedPositionValue")
let inertial = extensions != null?extensions.Element(ins + "inertial") : null
select new GpxData
{
PositionData = new PositionData {
Latitude = useCorrectedValue
? XmlConvert.ToDouble(correctedPositionValue.Element(gpx + "lat").Value)
: XmlConvert.ToDouble(routepoint.Attribute("lat").Value),
Longitude = useCorrectedValue
? XmlConvert.ToDouble(correctedPositionValue.Element(gpx + "lon").Value)
: XmlConvert.ToDouble(routepoint.Attribute("lon").Value),
Utc = routepoint.Element(gpx + "time") != null
? XmlConvert.ToDateTime(routepoint.Element(gpx + "time").Value, XmlDateTimeSerializationMode.Utc)
: DateTime.MinValue,
Altitude = routepoint.Element(gpx + "ele") != null
? XmlConvert.ToDouble(routepoint.Element (gpx + "ele").Value)
: 0d,
GeoIdHeight = routepoint.Element(gpx + "geoidheight") != null
? XmlConvert.ToDouble(routepoint.Element (gpx + "geoidheight").Value)
: 0d,
Quality = routepoint.Element(gpx + "fix") != null
? GpxConvert.ToFixType(routepoint.Element (gpx + "fix").Value)
: FixType.None,
NbSatellites = routepoint.Element(gpx + "sat") != null
? XmlConvert.ToInt32(routepoint.Element (gpx + "sat").Value)
: 0,
InsData = inertial != null
? new InsData
{
AccelerationX = XmlConvert.ToDouble(inertial.Element(gpx + "accx").Value),
AccelerationY = XmlConvert.ToDouble(inertial.Element(gpx + "accy").Value),
AccelerationZ = XmlConvert.ToDouble(inertial.Element(gpx + "accz").Value),
AngularRateX = XmlConvert.ToDouble(inertial.Element(gpx + "angrtx").Value),
AngularRateY = XmlConvert.ToDouble(inertial.Element(gpx + "angrty").Value),
AngularRateZ = XmlConvert.ToDouble(inertial.Element(gpx + "angrtz").Value),
DownVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "dvelo").Value),
EastVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "evelo").Value),
NorthVelocity = XmlConvert.ToDouble(inertial.Element(gpx + "nvelo").Value),
Heading = XmlConvert.ToDouble(inertial.Element(gpx + "heading").Value),
Pitch = XmlConvert.ToDouble(inertial.Element(gpx + "pitch").Value),
Roll = XmlConvert.ToDouble(inertial.Element(gpx + "roll").Value),
}
: null
},
VelocityData = new VelocityData {
SpeedMs = extensions.Element(gpx + "speedKmh") != null
? XmlConvert.ToDouble(extensions.Element(gpx + "speedKmh").Value) / 3.6
: 0,
},
PrecisionData = new PrecisionData {
Hdop = routepoint.Element(gpx + "hdop") != null
? XmlConvert.ToDouble(routepoint.Element(gpx + "hdop").Value)
: 0d,
Vdop = routepoint.Element(gpx + "vdop") != null
? XmlConvert.ToDouble(routepoint.Element(gpx + "vdop").Value)
: 0d,
Pdop = routepoint.Element(gpx + "pdop") != null
? XmlConvert.ToDouble(routepoint.Element(gpx + "pdop").Value)
: 0d,
},
ExtensionData = new ExtensionData {
Speed = extensions.Element(gpx + "speedKmh") != null
? XmlConvert.ToDouble(extensions.Element(gpx + "speedKmh").Value) / 3.6
: 0,
CorrectedLatitude = extensions.Element(gpx + "lat") != null?XmlConvert.ToDouble(correctedPositionValue.Element(gpx + "lat").Value) : 0,
CorrectedLongitude = extensions.Element(gpx + "lon") != null?XmlConvert.ToDouble(correctedPositionValue.Element(gpx + "lon").Value) : 0,
GpsStatus = extensions.Element(gpx + "gpsStatus") != null
? extensions.Element(gpx + "gpsStatus").Value
: "",
ComputerDateTime = extensions.Element(gpx + "computerDateTime") != null
? XmlConvert.ToDateTime(extensions.Element(gpx + "computerDateTime").Value, XmlDateTimeSerializationMode.Utc)
: DateTime.MinValue,
Progress = extensions.Element(gpx + "progress") != null
? XmlConvert.ToDouble(extensions.Element(gpx + "progress").Value)
: 0,
}
});
}
