public void MapRoute(int routeId, string directions)
{
var coords = _plotter.CreateRoute(directions).ToList();
_routes.Add(new Route(routeId, coords));
foreach (var item in coords)
{
if (!_points.TryGetValue(item, out var routeIds))
{
routeIds = new HashSet <int>();
_points.Add(item, routeIds);
}
routeIds.Add(routeId);
}
}
