public void Import()
{
importResult = new ImportResult();
if (BeginWork != null) BeginWork(this, new EventArgs());
// The trackpoints
List<RouteSegment> routeSegments = new List<RouteSegment>();
bool lastTrackpointWasInvalid = false;
bool thisTrackpointIsInvalid = false;
RouteSegment rs = new RouteSegment();
int current = 0;
int total = sessionToImport.Trackpoints.Count;
foreach (D303_Trk_Point_Type tp in sessionToImport.Trackpoints)
{
Waypoint waypoint = new Waypoint();
waypoint.Time = tp.TimeAsDateTime;
waypoint.LongLat = new LongLat(tp.Position.LongitudeAsDegrees, tp.Position.LatitudeAsDegrees);
waypoint.Altitude = (double)tp.Altitude;
waypoint.HeartRate = (double)tp.HeartRate;
thisTrackpointIsInvalid = (tp.Position.Latitude == 2147483647 && tp.Position.Longitude == 2147483647);
if (!thisTrackpointIsInvalid) rs.Waypoints.Add(waypoint);
if (thisTrackpointIsInvalid && lastTrackpointWasInvalid && rs.Waypoints.Count > 0)
{
routeSegments.Add(rs);
rs = new RouteSegment();
}
lastTrackpointWasInvalid = thisTrackpointIsInvalid;
current++;
if (WorkProgress != null && current % 10 == 0)
{
WorkProgress(this, new WorkProgressEventArgs((double)current / total));
}
}
if (rs.Waypoints.Count > 0)
{
routeSegments.Add(rs);
}
// The laps
List<double> elapsedTimes = new List<double>();
double elapsedTime = 0;
DateTime startTime = DateTime.MinValue;
foreach (D1001_Lap_Type xLap in sessionToImport.Laps)
{
if (startTime == DateTime.MinValue) startTime = xLap.StartTimeAsDateTime;
elapsedTimes.Add(elapsedTime);
elapsedTime += (double)xLap.TotalTime / 100;
}
LapCollection laps = RouteImporterUtil.CreateLapsFromElapsedTimes(startTime, elapsedTimes, routeSegments);
importResult.Route = new Route(routeSegments);
importResult.Laps = laps;
importResult.Succeeded = true;
if (EndWork != null) EndWork(this, new EventArgs());
}
/// <summary>
/// Opens a document stored in the old QuickRoute XML file format. This version can't save documents in this file format.
/// </summary>
/// <param name="fileName">The file name of the QuickRoute 1.0 xml document.</param>
/// <param name="settings">The document settings to apply.</param>
/// <returns></returns>
public static Document OpenFromXml(string fileName, DocumentSettings settings)
{
XmlTextReader reader = null;
RouteSegment rs = new RouteSegment();
HandleCollection handles = new HandleCollection();
Map map;
try
{
reader = new XmlTextReader(fileName);
reader.WhitespaceHandling = WhitespaceHandling.None;
reader.ReadStartElement("QuickRoute");
reader.ReadStartElement("Route");
while (reader.Read() && reader.NodeType != XmlNodeType.EndElement)
{
while (reader.NodeType != XmlNodeType.Element) reader.Read();
Waypoint t = new Waypoint();
t.Time = DateTime.Parse(reader.GetAttribute("time"));
t.LongLat = new LongLat();
t.LongLat.Longitude = double.Parse(reader.GetAttribute("longitude"));
t.LongLat.Latitude = double.Parse(reader.GetAttribute("latitude"));
t.Altitude = double.Parse(reader.GetAttribute("altitude"));
t.HeartRate = int.Parse(reader.GetAttribute("heartRate"));
rs.Waypoints.Add(t);
}
reader.ReadEndElement();
reader.ReadStartElement("Markers");
while (reader.Name == "Handle")
{
reader.Read();
Handle h = new Handle();
h.ParameterizedLocation = new ParameterizedLocation(0, double.Parse(reader.GetAttribute("value")));
reader.Read();
double x = double.Parse(reader.GetAttribute("x"));
double y = double.Parse(reader.GetAttribute("y"));
h.Location = new PointD(x, y);
reader.Read();
h.TransformationMatrix = new GeneralMatrix(3, 3);
h.MarkerDrawer = (new ApplicationSettings()).DefaultDocumentSettings.DefaultSessionSettings.MarkerDrawers[MarkerType.Handle];
for (int row = 0; row < 3; row++)
{
for (int col = 0; col < 3; col++)
{
reader.Read();
h.TransformationMatrix.SetElement(row, col, double.Parse(reader.GetAttribute("value")));
}
}
reader.Read();
reader.ReadEndElement();
reader.ReadEndElement();
handles.Add(h);
}
reader.ReadEndElement();
map = new Map(Base64StringToBitmap(reader.ReadElementContentAsString()));
}
catch (Exception ex)
{
if (reader != null) reader.Close();
throw new Exception(ex.Message);
}
reader.Close();
List<RouteSegment> routeSegments = new List<RouteSegment>();
routeSegments.Add(rs);
Document doc = new Document(map, new Route(routeSegments), new LapCollection(), null, settings);
foreach (var h in handles)
{
doc.Sessions[0].AddHandle(h);
}
doc.FileFormat = QuickRouteFileFormat.Xml;
doc.Initialize();
UpdateDocumentToCurrentVersion(doc);
return doc;
}
private double GetYValue(Waypoint w)
{
switch (yAxisAttribute)
{
case WaypointAttribute.Speed:
return w.Attributes[WaypointAttribute.Speed].Value;
case WaypointAttribute.HeartRate:
return w.Attributes[WaypointAttribute.HeartRate].GetValueOrDefault(0);
case WaypointAttribute.Altitude:
return w.Attributes[WaypointAttribute.Altitude].GetValueOrDefault(0);
case WaypointAttribute.DirectionDeviationToNextLap:
return w.Attributes[WaypointAttribute.DirectionDeviationToNextLap].Value;
case WaypointAttribute.MapReadingDuration:
return w.Attributes[WaypointAttribute.MapReadingDuration].GetValueOrDefault(0);
case WaypointAttribute.Cadence:
return w.Attributes[WaypointAttribute.Cadence].GetValueOrDefault(0);
case WaypointAttribute.Power:
return w.Attributes[WaypointAttribute.Power].GetValueOrDefault(0);
case WaypointAttribute.Pace:
default:
return ConvertUtil.ToPace(w.Attributes[WaypointAttribute.Speed].Value).TotalSeconds;
}
}
public void Import()
{
importResult = new ImportResult();
if (BeginWork != null) BeginWork(this, new EventArgs());
XmlTextReader reader = new XmlTextReader(FileName);
XPathDocument doc = new XPathDocument(reader);
XPathNavigator nav = doc.CreateNavigator();
XmlNamespaceManager nsManager = new XmlNamespaceManager(nav.NameTable);
nsManager.AddNamespace("ns", "http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2");
XPathNodeIterator activities = nav.Select("//ns:Activity", nsManager);
while (activities.MoveNext())
{
XPathNavigator id = activities.Current.SelectSingleNode("ns:Id", nsManager);
if (id != null && DateTime.Parse(id.Value).ToString("yyyy-MM-dd HH:mm:ss") == IdToImport)
{
// the activity was found
// the laps
XPathNodeIterator lapNodes = activities.Current.Select("ns:Lap", nsManager);
List<RouteSegment> routeSegments = new List<RouteSegment>();
RouteSegment routeSegment = new RouteSegment();
while (lapNodes.MoveNext())
{
// the tracks
XPathNodeIterator trackNodes = lapNodes.Current.Select("ns:Track", nsManager);
int trackCount = 0;
while (trackNodes.MoveNext())
{
if (trackCount > 0)
{
if (routeSegment.Waypoints.Count > 1) routeSegments.Add(routeSegment);
routeSegment = new RouteSegment();
}
XPathNodeIterator trackpointNodes = trackNodes.Current.Select("ns:Trackpoint", nsManager);
DateTime lastTime = DateTime.MinValue;
LongLat lastLongLat = null;
int trackpointCount = 0;
while (trackpointNodes.MoveNext())
{
Waypoint waypoint = new Waypoint();
waypoint.Time = DateTime.Parse(trackpointNodes.Current.SelectSingleNode("ns:Time", nsManager).Value).ToUniversalTime();
XPathNavigator position = trackpointNodes.Current.SelectSingleNode("ns:Position", nsManager);
if (position != null)
{
waypoint.LongLat = new LongLat(
position.SelectSingleNode("ns:LongitudeDegrees", nsManager).ValueAsDouble,
position.SelectSingleNode("ns:LatitudeDegrees", nsManager).ValueAsDouble);
}
if (trackpointNodes.Current.SelectSingleNode("ns:AltitudeMeters", nsManager) != null)
{
waypoint.Altitude = trackpointNodes.Current.SelectSingleNode("ns:AltitudeMeters", nsManager).ValueAsDouble;
}
if (trackpointNodes.Current.SelectSingleNode("ns:HeartRateBpm/ns:Value", nsManager) != null)
{
waypoint.HeartRate = trackpointNodes.Current.SelectSingleNode("ns:HeartRateBpm/ns:Value", nsManager).ValueAsDouble;
}
if (waypoint.HeartRate == null && routeSegment.LastWaypoint != null)
{
// sometimes heart rates are only present at some nodes, so use last valid heart rate
waypoint.HeartRate = routeSegment.LastWaypoint.HeartRate;
}
// do not add waypoint if it has the same location or time as the previous one
if (waypoint.LongLat != null && !waypoint.LongLat.Equals(lastLongLat) && waypoint.Time != lastTime)
{
// special handling for positionless trackpoint in the beginning, use its time together with next position
if (trackpointCount == 1 && lastLongLat == null && routeSegment.Waypoints.Count == 0)
waypoint.Time = lastTime;
routeSegment.Waypoints.Add(waypoint);
}
lastLongLat = waypoint.LongLat;
lastTime = waypoint.Time;
trackpointCount++;
}
if (lastLongLat == null && routeSegment.Waypoints.Count > 1)
{
// special handling for positionless trackpoint in the end, use its time together with previous position
routeSegment.Waypoints[routeSegment.Waypoints.Count - 1].Time = lastTime;
}
trackCount++;
}
}
// add last route segment
if (routeSegment.Waypoints.Count > 1) routeSegments.Add(routeSegment);
// set position of all start and end waypoints of the route segments if they are null
foreach (RouteSegment rs in routeSegments)
{
if (rs.FirstWaypoint.LongLat == null && rs.Waypoints.Count > 1) rs.Waypoints[1] = rs.Waypoints[1].Clone();
if (rs.LastWaypoint.LongLat == null && rs.Waypoints.Count > 1)
rs.Waypoints[rs.Waypoints.Count - 1] = rs.Waypoints[rs.Waypoints.Count - 2].Clone();
}
// the laps
lapNodes = activities.Current.Select("ns:Lap", nsManager);
// first store all elapsed times
List<double> elapsedTimes = new List<double>();
LapCollection laps = new LapCollection();
if (lapNodes.MoveNext())
{
DateTime startTime = DateTime.Parse(lapNodes.Current.GetAttribute("StartTime", "")).ToUniversalTime();
double elapsedTime = 0;
do
{
elapsedTimes.Add(elapsedTime);
elapsedTime += lapNodes.Current.SelectSingleNode("ns:TotalTimeSeconds", nsManager).ValueAsDouble;
} while (lapNodes.MoveNext());
laps = RouteImporterUtil.CreateLapsFromElapsedTimes(startTime, elapsedTimes, routeSegments);
}
importResult.Route = new Route(routeSegments);
importResult.Laps = laps;
importResult.Succeeded = importResult.Route.Segments.Count > 0;
if(importResult.Route.Segments.Count == 0) importResult.Error = ImportError.NoWaypoints;
break;
}
}
reader.Close();
if (EndWork != null) EndWork(this, new EventArgs());
}
private KmlMarkerStyle GetMarkerStyleFromWaypoint(Waypoint waypoint, ImageExporter imageExporter, SessionSettings sessionSettings)
{
var attribute = imageExporter.Properties.ColorCodingAttribute;
var rls = sessionSettings.RouteLineSettingsCollection[attribute];
return new KmlMarkerStyle()
{
Color = rls.ColorRange.GetColor(waypoint.Attributes[attribute].GetValueOrDefault(0), NoOfColorCodedSteps),
Size = replayMarkerSizeFactor * ((rls.MaskVisible ? 2 * rls.MaskWidth : 0) + rls.Width)
};
}
private double GetXValue(Waypoint w)
{
switch (xAxisAttribute)
{
case DomainAttribute.ElapsedTime:
return w.Attributes[WaypointAttribute.ElapsedTime].Value;
case DomainAttribute.Distance:
return w.Attributes[WaypointAttribute.Distance].Value;
case DomainAttribute.TimeOfDay:
default:
return (double)w.Time.ToLocalTime().Ticks / TimeSpan.TicksPerSecond;
}
}
private void CreateReplayPlacemark(Waypoint waypoint, KmlMarkerStyle style, XmlWriter writer, IFormatProvider formatProvider)
{
CreateReplayPlacemark(waypoint, style, null, null, writer, formatProvider);
}
private void CreateReplayPlacemark(Waypoint waypoint, KmlMarkerStyle style, DateTime? appearTime, DateTime? disappearTime, XmlWriter writer, IFormatProvider formatProvider)
{
writer.WriteStartElement("Placemark");
writer.WriteElementString("styleUrl", "#" + GetMarkerStyleId(style));
if (appearTime.HasValue || disappearTime.HasValue)
{
writer.WriteStartElement("TimeSpan");
if (appearTime.HasValue) writer.WriteElementString("begin", FormatTime(appearTime.Value.ToUniversalTime()));
if (disappearTime.HasValue) writer.WriteElementString("end", FormatTime(disappearTime.Value.ToUniversalTime()));
writer.WriteEndElement(); // TimeSpan
}
else
{
writer.WriteStartElement("TimeStamp");
writer.WriteElementString("when", FormatTime(waypoint.Time.ToUniversalTime()));
writer.WriteEndElement(); // TimeStamp
}
writer.WriteStartElement("Point");
writer.WriteElementString("coordinates",
waypoint.LongLat.Longitude.ToString(formatProvider) + "," +
waypoint.LongLat.Latitude.ToString(formatProvider));
writer.WriteEndElement(); // Point
writer.WriteEndElement(); // Placemark
}
private static Session ReadSession(BinaryReader reader, int length)
{
List<DateTime> mapReadingList = null;
Route route = null;
HandleCollection handles = null;
LongLat projectionOrigin = null;
LapCollection laps = null;
var startPos = reader.BaseStream.Position;
SessionInfo sessionInfo = null;
DateTime lastTime;
while (reader.BaseStream.Position < startPos + length)
{
var tag = (Tags)reader.ReadByte();
var tagLength = Convert.ToInt32(reader.ReadUInt32());
switch (tag)
{
case Tags.Route:
var attributes = reader.ReadUInt16();
var extraWaypointAttributesLength = reader.ReadUInt16();
var routeSegments = new List<RouteSegment>();
var segmentCount = reader.ReadUInt32();
lastTime = DateTime.MinValue;
for (var i = 0; i < segmentCount; i++)
{
var rs = new RouteSegment();
var waypointCount = reader.ReadUInt32();
for (var j = 0; j < waypointCount; j++)
{
var w = new Waypoint();
w.LongLat = ReadLongLat(reader);
w.Time = ReadTime(lastTime, reader);
lastTime = w.Time;
if ((attributes & (UInt16)WaypointAttribute.HeartRate) == (UInt16)WaypointAttribute.HeartRate)
{
w.HeartRate = reader.ReadByte();
}
if ((attributes & (UInt16)WaypointAttribute.Altitude) == (UInt16)WaypointAttribute.Altitude)
{
w.Altitude = reader.ReadInt16();
}
reader.BaseStream.Position += extraWaypointAttributesLength; // for forward compatibility
rs.Waypoints.Add(w);
}
routeSegments.Add(rs);
}
route = new Route(routeSegments);
break;
case Tags.Handles:
handles = new HandleCollection();
var handleCount = reader.ReadUInt32();
var handleMarkerDrawer = SessionSettings.CreateDefaultMarkerDrawers()[MarkerType.Handle];
for (var i = 0; i < handleCount; i++)
{
var handle = new Handle();
// transformation matrix
handle.TransformationMatrix = new GeneralMatrix(3, 3);
for (var j = 0; j < 9; j++)
{
handle.TransformationMatrix.SetElement(j / 3, j % 3, reader.ReadDouble());
}
// parameterized location
var segmentIndex = Convert.ToInt32(reader.ReadUInt32());
var value = reader.ReadDouble();
handle.ParameterizedLocation = new ParameterizedLocation(segmentIndex, value);
// pixel location
handle.Location = new PointD(reader.ReadDouble(), reader.ReadDouble());
// type
handle.Type = (Handle.HandleType)reader.ReadInt16();
// use default marker drawer
handle.MarkerDrawer = handleMarkerDrawer;
handles.Add(handle);
}
break;
case Tags.ProjectionOrigin:
projectionOrigin = ReadLongLat(reader);
break;
case Tags.Laps:
laps = new LapCollection();
var lapCount = reader.ReadUInt32();
for (var i = 0; i < lapCount; i++)
{
var lap = new Lap();
lap.Time = DateTime.FromBinary(reader.ReadInt64());
lap.LapType = (LapType)reader.ReadByte();
laps.Add(lap);
}
break;
case Tags.SessionInfo:
sessionInfo = new SessionInfo();
sessionInfo.Person = new SessionPerson();
sessionInfo.Person.Name = ReadString(reader);
sessionInfo.Person.Club = ReadString(reader);
sessionInfo.Person.Id = reader.ReadUInt32();
sessionInfo.Description = ReadString(reader);
// when more fields are added, check so that tagLength is not passed
break;
case Tags.MapReadingInfo:
mapReadingList = new List<DateTime>();
lastTime = DateTime.MinValue;
var startPosition = reader.BaseStream.Position;
while (reader.BaseStream.Position - startPosition < tagLength)
{
var time = ReadTime(lastTime, reader);
mapReadingList.Add(time);
lastTime = time;
}
break;
default:
reader.BaseStream.Position += tagLength;
break;
}
}
if(mapReadingList != null && route != null) route = new Route(Route.AddMapReadingWaypoints(route.Segments, mapReadingList));
var session = new Session(
route,
laps,
new Size(0, 0),
handles != null && handles.Count > 0 ? handles[0].TransformationMatrix : null,
projectionOrigin,
new SessionSettings());
if (handles != null)
{
foreach (var h in handles)
{
session.AddHandle(h);
}
}
if (sessionInfo != null) session.SessionInfo = sessionInfo;
return session;
}
public void Import()
{
importResult = new ImportResult();
if (BeginWork != null) BeginWork(this, new EventArgs());
StreamReader reader = new StreamReader(FileName);
RouteSegment rs = new RouteSegment();
LapCollection laps = new LapCollection();
int i;
string[] atoms;
string line;
for (i = 0; i < 3; i++) reader.ReadLine();
// start time
atoms = reader.ReadLine().Split("\t".ToCharArray());
DateTime startTime = DateTime.MinValue;
int firstColonPosition = atoms[1].IndexOf(":");
int lastColonPosition = atoms[1].LastIndexOf(":");
int length = lastColonPosition + 2 - firstColonPosition + 2 + 1;
if (length > 0)
{
if(DateTime.TryParse(atoms[1].Substring(firstColonPosition - 2, lastColonPosition + 2 - firstColonPosition + 2 + 1), out startTime))
{
startTime = startTime.ToUniversalTime();
}
}
// go to start of coordinates
i = 0;
while (i < 5 && !reader.EndOfStream)
{
line = reader.ReadLine();
if (line == "") i++;
}
reader.ReadLine();
reader.ReadLine();
// read all coordinates
while (!reader.EndOfStream)
{
line = reader.ReadLine();
if (line == "") break;
atoms = line.Split("\t".ToCharArray());
Waypoint w = new Waypoint();
w.Time = startTime.AddSeconds(Convert.ToInt32(atoms[0]));
w.LongLat = new LongLat(ParseFRWDLongLatString(atoms[5]), ParseFRWDLongLatString(atoms[4]));
double altitude;
double.TryParse(LocalizeDecimalString(atoms[6]), out altitude);
w.Altitude = altitude;
double heartRate;
double.TryParse(LocalizeDecimalString(atoms[9]), out heartRate);
w.HeartRate = heartRate;
rs.Waypoints.Add(w);
if (atoms[1] != "")
{
// lap
Lap lap = new Lap();
lap.LapType = LapType.Lap;
lap.Time = w.Time;
laps.Add(lap);
}
}
if (laps.Count > 0) laps[0].LapType = LapType.Start;
if (laps.Count > 1) laps[laps.Count - 1].LapType = LapType.Stop;
importResult.Laps = laps;
List<RouteSegment> routeSegments = new List<RouteSegment>();
if(rs.Waypoints.Count > 0)
{
routeSegments.Add(rs);
importResult.Route = new Route(routeSegments);
importResult.Succeeded = true;
}
else
{
importResult.Succeeded = false;
importResult.Error = ImportError.NoWaypoints;
}
reader.Close();
if (EndWork != null) EndWork(this, new EventArgs());
}
public Waypoint CreateWaypointFromParameterizedLocation(ParameterizedLocation parameterizedLocation)
{
var w = new Waypoint();
List<Waypoint> waypoints = segments[parameterizedLocation.SegmentIndex].Waypoints;
var i = (int)parameterizedLocation.Floor().Value;
if (i >= waypoints.Count - 1) i = waypoints.Count - 2;
if (waypoints.Count < 2) return waypoints[0];
double d = parameterizedLocation.Value - i;
// time
DateTime dt0 = waypoints[i].Time;
DateTime dt1 = waypoints[i + 1].Time;
w.Time = new DateTime(dt0.Ticks + (long)(d * (dt1.Ticks - dt0.Ticks)), dt0.Kind);
// location
LongLat p0 = waypoints[i].LongLat;
LongLat p1 = waypoints[i + 1].LongLat;
w.LongLat = new LongLat(p0.Longitude + d * (p1.Longitude - p0.Longitude),
p0.Latitude + d * (p1.Latitude - p0.Latitude));
// altitude
if (waypoints[i].Altitude.HasValue && waypoints[i + 1].Altitude.HasValue)
{
w.Altitude = waypoints[i].Altitude + d * (waypoints[i + 1].Altitude - waypoints[i].Altitude);
}
// heart rate
if (waypoints[i].HeartRate.HasValue && waypoints[i + 1].HeartRate.HasValue)
{
w.HeartRate = waypoints[i].HeartRate + d * (waypoints[i + 1].HeartRate - waypoints[i].HeartRate);
}
var attributes = new List<WaypointAttribute>
{
WaypointAttribute.Pace,
WaypointAttribute.HeartRate,
WaypointAttribute.Altitude,
WaypointAttribute.Speed,
WaypointAttribute.DirectionDeviationToNextLap,
WaypointAttribute.ElapsedTime,
WaypointAttribute.Distance,
WaypointAttribute.Inclination,
WaypointAttribute.Direction,
WaypointAttribute.Longitude,
WaypointAttribute.Latitude,
WaypointAttribute.Cadence,
WaypointAttribute.Power
};
// map reading
if(waypointAttributeExists[WaypointAttribute.MapReadingDuration])
{
if(parameterizedLocation.IsNode)
{
w.MapReadingState = waypoints[i].MapReadingState;
}
else
{
w.MapReadingState = waypoints[i].MapReadingState == MapReadingState.NotReading || waypoints[i + 1].MapReadingState == MapReadingState.NotReading
? MapReadingState.NotReading
: MapReadingState.Reading;
}
attributes.AddRange(new[]
{
WaypointAttribute.MapReadingDuration,
WaypointAttribute.MapReadingState,
WaypointAttribute.PreviousMapReadingEnd,
WaypointAttribute.NextMapReadingStart,
});
}
foreach (var attribute in attributes)
{
w.Attributes[attribute] = GetAttributeValueBetweenWaypoints(waypoints[i], waypoints[i + 1], d, attribute);
}
return w;
}
public Waypoint Clone()
{
var newWaypoint = new Waypoint(time, longLat, altitude, heartRate, mapReadingState, cadence, power);
foreach (var attributeKey in Attributes.Keys)
{
newWaypoint.Attributes[attributeKey] = Attributes[attributeKey];
}
return newWaypoint;
}
// w0 and w1 are adjacent, t measured from w0
private static double? GetAttributeValueBetweenWaypoints(Waypoint w0, Waypoint w1, double t, WaypointAttribute attribute)
{
switch(attribute)
{
case WaypointAttribute.MapReadingDuration:
return w0.MapReadingState == MapReadingState.StartReading || w0.MapReadingState == MapReadingState.Reading
? w0.Attributes[WaypointAttribute.MapReadingDuration]
: null;
case WaypointAttribute.MapReadingState:
return GetAttributeValueBetweenWaypoints(w0, w1, t, WaypointAttribute.MapReadingDuration) != null ? 1 : 0;
case WaypointAttribute.PreviousMapReadingEnd:
return w1.Attributes[WaypointAttribute.PreviousMapReadingEnd] != null
? (double?)(w1.Attributes[WaypointAttribute.PreviousMapReadingEnd].Value - (1 - t) * (w1.Time - w0.Time).TotalSeconds)
: null;
case WaypointAttribute.NextMapReadingStart:
return w0.Attributes[WaypointAttribute.NextMapReadingStart] != null
? (double?)(w0.Attributes[WaypointAttribute.NextMapReadingStart].Value - t * (w1.Time - w0.Time).TotalSeconds)
: null;
default:
if (w0.Attributes.ContainsKey(attribute) && w1.Attributes.ContainsKey(attribute))
{
var d0 = w0.Attributes[attribute];
var d1 = w1.Attributes[attribute];
if (d0.HasValue && d1.HasValue) return d0 + t * (d1 - d0);
if (!d0.HasValue && !d1.HasValue) return null;
return (t < 0.5 ? d0 : d1);
}
return null;
}
}