/// <summary>
/// Exports track by asking user for destination path and then using GpxWriter to write
/// track to file
/// </summary>
/// <param name="track">track to export</param>
/// <returns>task to wait on</returns>
public static async Task ExportTrackAsync(Track track)
{
string exportFilename = await AskUserExportFilenameAsync(track.Name + ".gpx");
if (exportFilename == null)
{
return;
}
string exportPath = Path.Combine(FileSystem.CacheDirectory, exportFilename);
try
{
GpxWriter.WriteTrack(exportPath, track);
await ShareFile(exportPath, "application/gpx+xml");
}
catch (Exception ex)
{
App.LogError(ex);
await App.Current.MainPage.DisplayAlert(
Constants.AppTitle,
"Error while exporting track: " + ex.Message,
"OK");
}
}
private void newGpxFile(string Name, string Path)
{
FileStream readFile = File.Open(Path, FileMode.Open);
FileStream writeFile = File.OpenWrite("../../Files/" + Name);
GpxReader reader = new GpxReader(readFile);
GpxWriter writer = new GpxWriter(writeFile);
while (reader.Read())
{
switch (reader.ObjectType)
{
case GpxObjectType.Metadata:
writer.WriteMetadata(reader.Metadata);
break;
case GpxObjectType.WayPoint:
writer.WriteWayPoint(reader.WayPoint);
break;
case GpxObjectType.Route:
writer.WriteRoute(reader.Route);
break;
case GpxObjectType.Track:
writer.WriteTrack(reader.Track);
break;
}
}
readFile.Close();
writeFile.Close();
}
GpxWriter loadTrack(List <Track> tracks,
Stream stream,
string link_Href = "https://rutoteca.es/",
string link_Text = "Rutoteca",
string mimeType = "text/html",
string name = "Rutoteca",
string descripcion = "Visita Rutoteca el mayor almacen de rutas homologadas de España")
{
GpxWriter newGpx = new GpxWriter(stream);
tracks.ForEach(t =>
{
var newMetadata = new Gpx.GpxMetadata();
newMetadata.Link = new GpxLink();
newMetadata.Link.Href = link_Href;
newMetadata.Link.MimeType = mimeType;
newMetadata.Link.Text = link_Text;
newMetadata.Name = name;
newMetadata.Description = descripcion;
newGpx.WriteMetadata(newMetadata);
GpxTrack newTrack = new GpxTrack();
var newSegment = new Gpx.GpxTrackSegment();
var inicio = t.GpxPoint.First().Time;
t.GpxPoint.ToList().ForEach(pt =>
{
newSegment.TrackPoints.Add(SetGpxPoint(pt, inicio));
});
newTrack.Segments.Add(newSegment);
newGpx.WriteTrack(newTrack);
}
);
return(newGpx);
}
public void TestWriteTrack()
{
// set up
const string TrackName = "Test Track";
var track = new Track
{
Name = TrackName,
TrackPoints = new System.Collections.Generic.List <TrackPoint>
{
new TrackPoint(47.754076, 12.352277, 1234.0, null)
{
Time = DateTime.Today + TimeSpan.FromHours(1.0)
},
new TrackPoint(46.017779, 11.900711, 778.2, null)
{
Time = DateTime.Today + TimeSpan.FromHours(2.0)
},
}
};
// run
string text = string.Empty;
using (var stream = new MemoryStream())
{
GpxWriter.WriteTrack(stream, track);
text = Encoding.UTF8.GetString(stream.GetBuffer(), 0, (int)stream.Length);
}
// check
Debug.WriteLine("xml = " + text);
Assert.IsTrue(text.Contains(TrackName), "gpx must contain track name");
}
static void Main(string[] args)
{
var input = new FileStream(@"C:\perso\Night ride\Night ride 2nd part.gpx", FileMode.Open);
var output = new FileStream(@"C:\perso\Night ride\Night ride 2nd part_with_timespamp.gpx", FileMode.Create);
DateTime startTime = DateTime.Parse("2020-07-06T23:35:28");
DateTime endTime = DateTime.Parse("2020-07-07T00:35:28");
double totalPoints = 1379;
int p = 0;
using (GpxReader reader = new GpxReader(input))
{
using (GpxWriter writer = new GpxWriter(output))
{
while (reader.Read())
{
switch (reader.ObjectType)
{
case GpxObjectType.Metadata:
writer.WriteMetadata(reader.Metadata);
break;
case GpxObjectType.WayPoint:
writer.WriteWayPoint(reader.WayPoint);
break;
case GpxObjectType.Route:
writer.WriteRoute(reader.Route);
break;
case GpxObjectType.Track:
var track = reader.Track;
foreach (var seg in track.Segments)
{
foreach (var point in seg.TrackPoints)
{
point.Time = startTime.AddSeconds(p * (endTime - startTime).TotalSeconds / totalPoints);
Console.WriteLine($"time = {point.Time}");
p++;
}
}
writer.WriteTrack(track);
break;
}
}
}
}
}
public static IList <Coordinates> GetGPXPoints()
{
IList <Coordinates> lst = new List <Coordinates>();
//Reading the GOX
Debug.Log(("Reading GPX"));
StreamReader input = new StreamReader(@"C:\Users\Chris\Documents\UnityProjects\CreateObject\Assets\gpxfiles\Heffers.gpx", Encoding.Default);
// StreamReader input = new StreamReader(@"C:\Users\Chris\Documents\UnityProjects\CreateObject\Assets\chop.gpx", Encoding.Default);
// StreamReader input = new StreamReader(@"C:\Users\Chris\Documents\UnityProjects\CreateObject\Assets\Perth worlds qualifier.gpx", Encoding.Default);
MemoryStream m = new MemoryStream();
using (GpxReader reader = new GpxReader(input.BaseStream))
{
using (GpxWriter writer = new GpxWriter(m))
{
while (reader.Read())
{
switch (reader.ObjectType)
{
case GpxObjectType.Metadata:
Debug.Log(("Metadata"));
writer.WriteMetadata(reader.Metadata);
break;
case GpxObjectType.WayPoint:
Debug.Log(("Point"));
writer.WriteWayPoint(reader.WayPoint);
break;
case GpxObjectType.Route:
Debug.Log(("Route"));
writer.WriteRoute(reader.Route);
break;
case GpxObjectType.Track:
Debug.Log(("Track"));
writer.WriteTrack(reader.Track);
//Set a local origin
//GPSEncoder.SetLocalOrigin(new Vector2((float)originCoords.latitude, (float)originCoords.longitude));
//Coordinates origin = new Coordinates(1.289639, -3532648, 1);
IList <GpxTrackSegment> segments = reader.Track.Segments;
IList <GpxTrackPoint> tp = segments[0].TrackPoints;
foreach (GpxTrackPoint item in tp)
{
Debug.Log(("lat" + item.Latitude));
Debug.Log(("lng" + item.Longitude));
Debug.Log(("e" + item.Elevation));
//Coordinates c = new Coordinates(item.Latitude, item.Longitude, item.Elevation.Value);
//Vector3 v = c.convertCoordinateToVector();
Coordinates currentLocation;
currentLocation = new Coordinates(item.Latitude, item.Longitude, item.Elevation.Value);
lst.Add(currentLocation);
// UnityEngine.GameObject o = (GameObject)Instantiate(prefab, new Vector3(v.x, v.y, v.z), Quaternion.identity);
//UnityEngine.GameObject o = (GameObject)Instantiate(prefab, new Vector3(i * 2.0f, 0, 0), Quaternion.identity);
// o.transform.parent = sourceGO.transform;
}
break;
}
}
}
}
return(lst);
}
