/// <summary>
/// Merges a snapshot, usually created out of a xRoute response,
/// with those route parts that have not been updated.
/// </summary>
/// <param name="req"></param>
public void MergeWithRequest(RequestData req)
{
// concatenate
var tmp = req.Left.Concat(this).Concat(req.Right);
// store concatenated results
Indices = tmp.Indices;
Points = tmp.Points;
Info = tmp.Info;
}
/// <summary>
/// Create a snapshot out of xRoute response data.
/// </summary>
/// <param name="indices"></param>
/// <param name="points"></param>
/// <param name="info"></param>
/// <returns></returns>
public static RouteSnapshot FromXRoute(int[] indices, Point[] points, Demo.XrouteService.RouteInfo info)
{
// indices must be adopted to let the last index point right behind the route
if (indices[indices.Length - 1] == points.Length - 1)
{
indices[indices.Length - 1]++;
}
// assert last index is correct
Debug.Assert(indices[indices.Length - 1] == points.Length);
// create snapshot
return(new RouteSnapshot(indices, points, info));
}
/// <summary>
/// Builds a tool tip text containing the overall information generated out of all routes.
/// </summary>
/// <returns>Tool tip text. Returns an empty string if there is any route with an error.</returns>
public String GetToolTip()
{
if (routes.Count(r => r.HasRoutePolyline) != routes.Count)
{
return("");
}
var info = new Demo.XrouteService.RouteInfo();
foreach (var r in routes)
{
info.time += r.RouteInfo.time;
info.distance += r.RouteInfo.distance;
}
return(Route.FormatRouteToolTip(First.Label, Last.Label, info));
}
/// <summary>
/// Creates a snapshot out of the given route information.
/// </summary>
/// <param name="indices">Polyline indices</param>
/// <param name="points">Route polyline</param>
/// <param name="info">Route information</param>
private RouteSnapshot(IEnumerable <int> indices, IEnumerable <Point> points, Demo.XrouteService.RouteInfo info)
{
Indices = indices.ToArray();
Points = points.ToArray();
Info = info;
}
/// <summary>
/// Formats a tool tip for a route.
/// </summary>
/// <param name="from">Label of start way point</param>
/// <param name="to">Label of end way point</param>
/// <param name="info">Route information</param>
/// <returns></returns>
public static String FormatRouteToolTip(String from, String to, Demo.XrouteService.RouteInfo info)
{
return($"{from} > {to}: {(double) info.distance / 1000.0:0.00}km, {new TimeSpan(0, 0, info.time)}");
}
