/// <summary>
/// Converts a simple VRP solution into a solution containing the actual routes.
/// </summary>
/// <param name="vehicle"></param>
/// <param name="solution"></param>
/// <param name="points"></param>
protected Route[] ConvertSolution(Vehicle vehicle, int[][] solution, RouterPoint[] points)
{
var routes = new Route[solution.Length];
for (int routeIdx = 0; routeIdx < solution.Length; routeIdx++)
{
// concatenate the route(s).
Route tsp = null;
Route route;
for (int idx = 0; idx < solution[routeIdx].Length - 1; idx++)
{
route = _router.Calculate(Vehicle.Car, points[solution[routeIdx][idx]],
points[solution[routeIdx][idx + 1]]);
if (route != null && route.Segments.Length > 0)
{
if (tsp == null)
{ // first route = start
tsp = route;
}
else
{ // concatenate.
tsp = Route.Concatenate(tsp, route);
}
}
}
// concatenate the route from the last to the first point again.
route = _router.Calculate(vehicle, points[solution[routeIdx][solution[routeIdx].Length - 1]],
points[solution[routeIdx][0]]);
if (route.Segments.Length > 0)
{
tsp = Route.Concatenate(tsp, route);
}
// set the result.
routes[routeIdx] = tsp;
if (routes[routeIdx] != null)
{ // route exists!
var tags = new List <RouteTags>();
var customerCount = new RouteTags();
customerCount.Key = "customer_count";
customerCount.Value = solution[routeIdx].Length.ToString();
tags.Add(customerCount);
routes[routeIdx].Tags = tags.ToArray();
// set the correct vehicle type.
routes[routeIdx].Vehicle = vehicle.UniqueName;
}
}
return(routes);
}
internal static void Save(Stream stream, Route route)
{
GpxDocument gpxDocument = new GpxDocument((IXmlSource) new XmlStreamSource(stream));
gpxType gpxType = new gpxType();
gpxType.trk = new trkType[1];
List <wptType> wptTypeList1 = new List <wptType>();
trkType trkType = new trkType();
List <wptType> wptTypeList2 = new List <wptType>();
trkType.trkseg = new trksegType[1];
trksegType trksegType = new trksegType();
for (int index1 = 0; index1 < route.Segments.Count; ++index1)
{
RouteSegment segment = route.Segments[index1];
if (segment.Points != null)
{
for (int index2 = 0; index2 < segment.Points.Length; ++index2)
{
RouteStop point = segment.Points[index2];
RouteTags routeTags = point.Tags == null ? (RouteTags)null : ((IEnumerable <RouteTags>)point.Tags).FirstOrDefault <RouteTags>((Func <RouteTags, bool>)(x => x.Value == "name"));
wptTypeList2.Add(new wptType()
{
lat = (Decimal)point.Latitude,
lon = (Decimal)point.Longitude,
name = routeTags == null ? string.Empty : routeTags.Value
});
}
}
wptTypeList1.Add(new wptType()
{
lat = (Decimal)segment.Latitude,
lon = (Decimal)segment.Longitude
});
}
trksegType.trkpt = wptTypeList1.ToArray();
trkType.trkseg[0] = trksegType;
gpxType.trk[0] = trkType;
gpxType.wpt = wptTypeList2.ToArray();
gpxDocument.Gpx = (object)gpxType;
gpxDocument.Save();
}