Ejemplo n.º 1
0
        /// <summary>
        /// Calculates heatmap for the given profile.
        /// </summary>
        public static HeatmapResult CalculateHeatmap(this RouterBase router, Profile profile, RouterPoint origin, int limitInSeconds, int zoom, CancellationToken cancellationToken)
        {
            if (!router.SupportsAll(profile))
            {
                throw new ArgumentException(string.Format("Profile {0} not supported.",
                                                          profile.FullName));
            }

            if (profile.Metric != ProfileMetric.TimeInSeconds)
            {
                throw new ArgumentException(string.Format("Profile {0} not supported, only profiles with metric TimeInSeconds are supported.",
                                                          profile.FullName));
            }

            // get the weight handler.
            var weightHandler = router.GetDefaultWeightHandler(profile);
            var getFactor     = router.GetDefaultGetFactor(profile);

            // calculate isochrones.
            var isochrone = new TileBasedHeatmapBuilder(router.Db.Network.GeometricGraph,
                                                        new Algorithms.Default.Dykstra(router.Db.Network.GeometricGraph.Graph,
                                                                                       weightHandler, null, origin.ToEdgePaths <float>(router.Db, weightHandler, true), limitInSeconds, false), zoom);

            isochrone.Run(cancellationToken);

            var result = isochrone.Result;

            result.MaxMetric = profile.Metric.ToInvariantString();
            return(result);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Calculates heatmap for the given profile.
        /// </summary>
        public static HeatmapResult CalculateHeatmap(this RouterBase router, Profile profile, RouterPoint origin, int limitInSeconds, int zoom = 16)
        {
            if (profile.Metric != ProfileMetric.TimeInSeconds)
            {
                throw new ArgumentException(string.Format("Profile {0} not supported, only profiles with metric TimeInSeconds are supported.",
                                                          profile.Name));
            }

            // get the weight handler.
            var weightHandler = router.GetDefaultWeightHandler(profile);
            var getFactor     = router.GetDefaultGetFactor(profile);

            // calculate isochrones.
            var isochrone = new TileBasedHeatmapBuilder(
                new DykstraEdgeVisitor(router.Db.Network.GeometricGraph,
                                       getFactor, origin.ToEdgePaths <float>(router.Db, weightHandler, true), limitInSeconds), zoom);

            isochrone.Run();

            var result = isochrone.Result;

            result.MaxMetric = profile.Name;
            return(result);
        }