void WriteStop(Stop stop)
{
_xmlWriter.WriteStartElement("stop");
_xmlWriter.WriteAttributeString("start", stop.From.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'f"));
_xmlWriter.WriteAttributeString("end", stop.To.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'f"));
_xmlWriter.WriteEndElement();
}
/// <summary>
/// Creates a list of travel times from the matched track
/// </summary>
/// <param name="track"></param>
/// <returns></returns>
public static IEnumerable<TravelTime> FromMatchedTrack(OSMDB track)
{
List<TravelTime> result = new List<TravelTime>();
var orderedWays = track.Ways.OrderBy(way => int.Parse(way.Tags["order"].Value)).ToList();
//Find start of the first segment
int index = 0;
while (index < orderedWays.Count && track.Nodes[orderedWays[index].Nodes[0]].Tags.ContainsTag("crossroad") == false)
index++;
while (index < orderedWays.Count) {
int startNodeId = int.Parse(track.Nodes[orderedWays[index].Nodes[0]].Tags["node-id"].Value);
DateTime segmentStartTime = DateTime.MinValue;
if (track.Nodes[orderedWays[index].Nodes[0]].Tags.ContainsTag("time"))
segmentStartTime = DateTime.Parse(track.Nodes[orderedWays[index].Nodes[0]].Tags["time"].Value);
else
segmentStartTime = InterpolateStartTime(track, orderedWays, index);
List<GPXPoint> points = new List<GPXPoint>();
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes[0]].Latitude, track.Nodes[orderedWays[index].Nodes[0]].Longitude, segmentStartTime));
while (index < orderedWays.Count && track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("crossroad") == false) {
if (track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("time")) {
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes.Last()].Latitude, track.Nodes[orderedWays[index].Nodes.Last()].Longitude,
DateTime.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["time"].Value)));
}
index++;
}
if (index < orderedWays.Count) {
int endNodeId = int.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["node-id"].Value);
DateTime segmentEndTime = DateTime.MinValue;
if (track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("time"))
segmentEndTime = DateTime.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["time"].Value);
else
segmentEndTime = InterpolateEndTime(track, orderedWays, index);
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes.Last()].Latitude, track.Nodes[orderedWays[index].Nodes.Last()].Longitude, segmentEndTime));
int wayId = int.Parse(orderedWays[index].Tags["way-id"].Value);
SegmentInfo segment = new SegmentInfo() { NodeFromID = startNodeId, NodeToID = endNodeId, WayID = wayId };
List<double> avgSpeeds = new List<double>();
for (int i = 0; i < points.Count -1; i++) {
avgSpeeds.Add(Calculations.GetDistance2D(points[i], points[i + 1]) / (points[i + 1].Time - points[i].Time).TotalSeconds);
}
TravelTime tt = new TravelTime(segment, segmentStartTime, segmentEndTime);
int ii = 0;
while (ii < avgSpeeds.Count) {
if (avgSpeeds[ii] < 1.0) {
Stop stop = new Stop() { From = points[ii].Time };
while (ii < avgSpeeds.Count && avgSpeeds[ii] < 1.0)
ii++;
stop.To = points[ii].Time;
tt.Stops.Add(stop);
}
ii++;
}
result.Add(tt);
index++;
}
}
return result;
}
/// <summary>
/// Creates a list of travel times from the matched track
/// </summary>
/// <param name="track"></param>
/// <returns></returns>
public static IEnumerable <TravelTime> FromMatchedTrack(OSMDB track)
{
List <TravelTime> result = new List <TravelTime>();
var orderedWays = track.Ways.OrderBy(way => int.Parse(way.Tags["order"].Value)).ToList();
//Find start of the first segment
int index = 0;
while (index < orderedWays.Count && track.Nodes[orderedWays[index].Nodes[0]].Tags.ContainsTag("crossroad") == false)
{
index++;
}
while (index < orderedWays.Count)
{
int startNodeId = int.Parse(track.Nodes[orderedWays[index].Nodes[0]].Tags["node-id"].Value);
DateTime segmentStartTime = DateTime.MinValue;
if (track.Nodes[orderedWays[index].Nodes[0]].Tags.ContainsTag("time"))
{
segmentStartTime = DateTime.Parse(track.Nodes[orderedWays[index].Nodes[0]].Tags["time"].Value);
}
else
{
segmentStartTime = InterpolateStartTime(track, orderedWays, index);
}
List <GPXPoint> points = new List <GPXPoint>();
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes[0]].Latitude, track.Nodes[orderedWays[index].Nodes[0]].Longitude, segmentStartTime));
while (index < orderedWays.Count && track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("crossroad") == false)
{
if (track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("time"))
{
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes.Last()].Latitude, track.Nodes[orderedWays[index].Nodes.Last()].Longitude,
DateTime.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["time"].Value)));
}
index++;
}
if (index < orderedWays.Count)
{
int endNodeId = int.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["node-id"].Value);
DateTime segmentEndTime = DateTime.MinValue;
if (track.Nodes[orderedWays[index].Nodes.Last()].Tags.ContainsTag("time"))
{
segmentEndTime = DateTime.Parse(track.Nodes[orderedWays[index].Nodes.Last()].Tags["time"].Value);
}
else
{
segmentEndTime = InterpolateEndTime(track, orderedWays, index);
}
points.Add(new GPXPoint(track.Nodes[orderedWays[index].Nodes.Last()].Latitude, track.Nodes[orderedWays[index].Nodes.Last()].Longitude, segmentEndTime));
int wayId = int.Parse(orderedWays[index].Tags["way-id"].Value);
SegmentInfo segment = new SegmentInfo()
{
NodeFromID = startNodeId, NodeToID = endNodeId, WayID = wayId
};
List <double> avgSpeeds = new List <double>();
for (int i = 0; i < points.Count - 1; i++)
{
avgSpeeds.Add(Calculations.GetDistance2D(points[i], points[i + 1]) / (points[i + 1].Time - points[i].Time).TotalSeconds);
}
TravelTime tt = new TravelTime(segment, segmentStartTime, segmentEndTime);
int ii = 0;
while (ii < avgSpeeds.Count)
{
if (avgSpeeds[ii] < 1.0)
{
Stop stop = new Stop()
{
From = points[ii].Time
};
while (ii < avgSpeeds.Count && avgSpeeds[ii] < 1.0)
{
ii++;
}
stop.To = points[ii].Time;
tt.Stops.Add(stop);
}
ii++;
}
result.Add(tt);
index++;
}
}
return(result);
}