public MapMatcher(List <T> data, Func <T, DirectedRoad> dataToRoad, MapMatcherParameters parameters, bool useSearchGrid = true, BoundingBox boundingBox = null)
{
// Initialize parameters
Parameters = parameters;
//Build graph
_dataByRoadId = new Dictionary <string, T>();
var graph = new RoadGraph();
foreach (var datum in data)
{
var road = dataToRoad(datum);
graph.AddRoad(road);
_dataByRoadId[road.Squid] = datum;
}
Graph = graph;
// Compute search grid (for accessing nearby roads)
if (useSearchGrid)
{
// Compute bounding box if not given
if (boundingBox == null)
{
boundingBox = graph.Nodes.Values.GetBoundingBox();
}
SearchGrid = SearchGridFactory.ComputeSearchGrid(graph, parameters.NearbyRoadsThreshold, boundingBox);
}
// Initialize state
State = MapMatchState.InitialState();
}
public static MapMatchState InitialState()
{
var result = new MapMatchState();
result.Probabilities = new ProbabilityVector <DirectedRoad>();
result.TransitionMemory = new List <Dictionary <DirectedRoad, DirectedRoad> >();
return(result);
}