/// <summary>
/// Finds path passing by all checkpoints in specified order
/// </summary>
/// <param name="stopAreas"></param>
/// <param name="bufferAroundPoints">Distance around point to minimize network analysis</param>
internal List <Troncon> FindPath(IEnumerable <int> stopAreas, CommercialMode commercialMode, int bufferAroundPoints = 5000)
{
// get only stop area nodes
Dictionary <int, Noeud> stopAreasIgnNodes = FilterNodesById(Nodes, new HashSet <int>(stopAreas));
// get subnetwork convering only all stop areas
SqlGeometry geom = GetNodesGeometryAggregate(stopAreasIgnNodes.Values, 30);
geom = geom.STEnvelope().STBuffer(bufferAroundPoints).STEnvelope();
var tronconsInRoute = FilterTronconsByGeometry(Troncons, geom);
tronconsInRoute = FilterTronconsByCommercialMode(tronconsInRoute, commercialMode);
var nodesInRoute = FilterNodesByGeometry(Nodes, geom).ToList();
// Generate topology
var topology = Topology.Compute(tronconsInRoute.ToList(), nodesInRoute);
// Launch path finding
var troncons = FindPath_GraphCollection(topology, stopAreasIgnNodes);
return(troncons);
}
private IEnumerable <Troncon> FilterTronconsByCommercialMode(IEnumerable <Troncon> troncons, CommercialMode commercialMode)
{
if (commercialMode.Name != "TGV")
{
return(troncons.Where(kvp => kvp.Nature != "LGV"));
}
else
{
return(troncons);
}
}
