private void WriteSubPoint(string elementName, GpxPoint point)
{
Writer_.WriteStartElement(elementName, GARMIN_EXTENSIONS_NAMESPACE);
Writer_.WriteAttributeString("lat", point.Latitude.ToString(CultureInfo.InvariantCulture));
Writer_.WriteAttributeString("lon", point.Longitude.ToString(CultureInfo.InvariantCulture));
Writer_.WriteEndElement();
}
private GpxPoint ReadGarminAutoRoutePoint(XmlReader reader)
{
GpxPoint point = new GpxPoint();
string elementName = reader.Name;
bool isEmptyElement = reader.IsEmptyElement;
while (reader.MoveToNextAttribute())
{
switch (reader.LocalName)
{
case "lat":
point.Latitude = double.Parse(reader.Value, CultureInfo.InvariantCulture.NumberFormat);
break;
case "lon":
point.Longitude = double.Parse(reader.Value, CultureInfo.InvariantCulture.NumberFormat);
break;
}
}
if (isEmptyElement)
{
return(point);
}
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
SkipElement(reader);
break;
case XmlNodeType.EndElement:
if (reader.Name != elementName)
{
throw new FormatException(reader.Name);
}
return(point);
}
}
throw new FormatException(elementName);
}
public double GetDistnaceFrom(GpxPoint other)
{
double thisLatitude = this.Latitude;
double otherLatitude = other.Latitude;
double thisLongitude = this.Longitude;
double otherLongitude = other.Longitude;
double deltaLatitude = Math.Abs(this.Latitude - other.Latitude);
double deltaLongitude = Math.Abs(this.Longitude - other.Longitude);
thisLatitude *= RADIAN;
otherLatitude *= RADIAN;
deltaLongitude *= RADIAN;
double cos = Math.Cos(deltaLongitude) * Math.Cos(thisLatitude) * Math.Cos(otherLatitude) +
Math.Sin(thisLatitude) * Math.Sin(otherLatitude);
return(EARTH_RADIUS * Math.Acos(cos));
}
public GpxPointCollection <GpxPoint> ToGpxPoints()
{
GpxPointCollection <GpxPoint> points = new GpxPointCollection <GpxPoint>();
foreach (T gpxPoint in Points_)
{
GpxPoint point = new GpxPoint
{
Longitude = gpxPoint.Longitude,
Latitude = gpxPoint.Latitude,
Elevation = gpxPoint.Elevation,
Time = gpxPoint.Time
};
points.Add(point);
}
return(points);
}
