private GpxPoint ReadGarminAutoRoutePoint()
{
GpxPoint point = new GpxPoint();
string elementName = Reader_.Name;
bool isEmptyElement = Reader_.IsEmptyElement;
GetPointLocation(point);
if (isEmptyElement)
{
return(point);
}
while (Reader_.Read())
{
switch (Reader_.NodeType)
{
case XmlNodeType.Element:
SkipElement();
break;
case XmlNodeType.EndElement:
if (Reader_.Name != elementName)
{
throw new FormatException(Reader_.Name);
}
return(point);
}
}
throw new FormatException(elementName);
}
private void WriteSubPoint(GpxPoint point)
{
Writer_.WriteStartElement("rpt", GpxNamespaces.GARMIN_EXTENSIONS_NAMESPACE);
Writer_.WriteAttributeString("lat", point.Latitude.ToString(CultureInfo.InvariantCulture));
Writer_.WriteAttributeString("lon", point.Longitude.ToString(CultureInfo.InvariantCulture));
Writer_.WriteEndElement();
}
private void GetPointLocation(GpxPoint point)
{
while (Reader_.MoveToNextAttribute())
{
switch (Reader_.Name)
{
case "lat":
point.Latitude = double.Parse(Reader_.Value, CultureInfo.InvariantCulture.NumberFormat);
break;
case "lon":
point.Longitude = double.Parse(Reader_.Value, CultureInfo.InvariantCulture.NumberFormat);
break;
}
}
}
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);
}
public double GetDistanceFrom(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));
}
private bool ProcessPointField(GpxPoint point)
{
switch (Reader_.Name)
{
case "ele":
point.Elevation = ReadContentAsDouble();
return(true);
case "time":
point.Time = ReadContentAsDateTime();
return(true);
case "magvar":
point.MagneticVar = ReadContentAsDouble();
return(true);
case "geoidheight":
point.GeoidHeight = ReadContentAsDouble();
return(true);
case "name":
point.Name = ReadContentAsString();
return(true);
case "cmt":
point.Comment = ReadContentAsString();
return(true);
case "desc":
point.Description = ReadContentAsString();
return(true);
case "src":
point.Source = ReadContentAsString();
return(true);
case "link":
point.Links.Add(ReadGpxLink());
return(true);
case "sym":
point.Symbol = ReadContentAsString();
return(true);
case "type":
point.Type = ReadContentAsString();
return(true);
case "fix":
point.FixType = ReadContentAsString();
return(true);
case "sat":
point.Satelites = ReadContentAsInt();
return(true);
case "hdop":
point.Hdop = ReadContentAsDouble();
return(true);
case "vdop":
point.Vdop = ReadContentAsDouble();
return(true);
case "pdop":
point.Pdop = ReadContentAsDouble();
return(true);
case "ageofdgpsdata":
point.AgeOfData = ReadContentAsDouble();
return(true);
case "dgpsid":
point.DgpsId = ReadContentAsInt();
return(true);
}
return(false);
}
private void WritePoint(GpxPoint point)
{
Writer_.WriteAttributeString("lat", point.Latitude.ToString(CultureInfo.InvariantCulture));
Writer_.WriteAttributeString("lon", point.Longitude.ToString(CultureInfo.InvariantCulture));
if (point.Elevation != null)
{
Writer_.WriteElementString("ele", point.Elevation.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.Time != null)
{
Writer_.WriteElementString("time", ToGpxDateString(point.Time.Value));
}
if (point.MagneticVar != null)
{
Writer_.WriteElementString("magvar", point.MagneticVar.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.GeoidHeight != null)
{
Writer_.WriteElementString("geoidheight", point.GeoidHeight.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.Name != null)
{
Writer_.WriteElementString("name", point.Name);
}
if (point.Comment != null)
{
Writer_.WriteElementString("cmt", point.Comment);
}
if (point.Description != null)
{
Writer_.WriteElementString("desc", point.Description);
}
if (point.Source != null)
{
Writer_.WriteElementString("src", point.Source);
}
foreach (GpxLink link in point.Links)
{
WriteLink("link", link);
}
if (point.Symbol != null)
{
Writer_.WriteElementString("sym", point.Symbol);
}
if (point.Type != null)
{
Writer_.WriteElementString("type", point.Type);
}
if (point.FixType != null)
{
Writer_.WriteElementString("fix", point.FixType);
}
if (point.Satelites != null)
{
Writer_.WriteElementString("sat", point.Satelites.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.Hdop != null)
{
Writer_.WriteElementString("hdop", point.Hdop.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.Vdop != null)
{
Writer_.WriteElementString("vdop", point.Vdop.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.Pdop != null)
{
Writer_.WriteElementString("pdop", point.Pdop.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.AgeOfData != null)
{
Writer_.WriteElementString("ageofdgpsdata", point.AgeOfData.Value.ToString(CultureInfo.InvariantCulture));
}
if (point.DgpsId != null)
{
Writer_.WriteElementString("dgpsid", point.DgpsId.Value.ToString(CultureInfo.InvariantCulture));
}
}
