private string BuildGpx(TopoTrailInfo trail)
{
var writer = new GpxFileWriter();
// write file header
writer.SetVersion(GpxSchemaVersion.Version1_1);
writer.WriteHeader(trail);
// write custom data
var data = new GpxExtensionData()
{
Timezone = trail.Timezone.TZID,
Country = (trail.Country?.Name ?? ""),
Region = (trail.Region?.RegionName ?? ""),
Location = trail.Location
};
writer.WriteMetadata(data);
// write tracks
foreach (var track in trail.TopoTracks)
{
writer.WriteTrack(track);
}
return(writer.GetXml());
}
public void WriteMetadata(GpxExtensionData data)
{
var extensions = _xml.CreateElement("extensions");
_root.AppendChild(extensions);
var timezoneNode = _xml.CreateElement("timezone");
extensions.AppendChild(timezoneNode);
timezoneNode.InnerText = data.Timezone;
var countryNode = _xml.CreateElement("country");
extensions.AppendChild(countryNode);
countryNode.InnerText = data.Country;
if (!String.IsNullOrWhiteSpace(data.Region))
{
var regionNode = _xml.CreateElement("region");
extensions.AppendChild(regionNode);
regionNode.InnerText = data.Region;
}
if (!String.IsNullOrWhiteSpace(data.Location))
{
var locationNode = _xml.CreateElement("location");
extensions.AppendChild(locationNode);
locationNode.InnerText = data.Location;
}
}
/// <summary>
/// Extracts additional custom data if exists
/// </summary>
public GpxExtensionData ReadExtension()
{
var data = new GpxExtensionData();
data.Timezone = ReadExtension("timezone");
data.Country = ReadExtension("country");
data.Region = ReadExtension("region");
data.Location = ReadExtension("location");
return(data);
}
