Blazor Binding Multiple Data Sources

Ignite UI for Blazor 맵에서 여러 지리적 시리즈 객체를 추가하여 사용자 지정 데이터 소스를 지리 공간 데이터와 오버레이할 수 있습니다. 예를 들어, 공항의 지리적 위치를 플로팅하기 위한 IgbGeographicSymbolSeries, 공항 간 항공편을 플로팅하기 위한 IgbGeographicPolylineSeries, 주요 지리적 좌표의 격자선을 플로팅하기 위한 2nd IgbGeographicPolylineSeries 있습니다.

Blazor Binding Multiple Data Sources Example

EXAMPLE

MODULES

GeoLocation.cs

WorldCity.cs

WorldConnections.cs

WorldLocations.cs

WorldUtils.cs

RAZOR

CSS

using System;
using System.Net.Http;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Text;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using IgniteUI.Blazor.Controls; // for registering Ignite UI modules

namespace Infragistics.Samples
{
    public class Program
    {
        public static async Task Main(string[] args)
        {
            var builder = WebAssemblyHostBuilder.CreateDefault(args);
            builder.RootComponents.Add<App>("app");
            builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
            // registering Ignite UI modules
            builder.Services.AddIgniteUIBlazor(
                typeof(IgbGeographicMapModule),
                typeof(IgbDataChartInteractivityModule)
            );
            await builder.Build().RunAsync();
        }
    }
}csコピー

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Infragistics.Samples
{
    public class GeoLocation
    {
        public double Lat { get; set; }
        public double Lon { get; set; }
    }
}csコピー

using System;

namespace Infragistics.Samples
{
    public class WorldCity
    {
        public double Lat { get; set; }
        public double Lon { get; set; }
        public double Pop { get; set; }
        public string Country { get; set; }
        public string Name { get; set; }
        public bool Cap { get; set; }
    }
}csコピー

using IgniteUI.Blazor.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;

namespace Infragistics.Samples
{
    public static class WorldConnections
    {
        public static List<FlightInfo> Flights { get; set; }
        public static List<WorldCity> Airports { get; set; }

        public static Dictionary<string, string> FlightsLookup = new Dictionary<string, string>();
        public static Dictionary<string, WorldCity> AirportsLookup = new Dictionary<string, WorldCity>();

        static WorldConnections()
        {
            Init();
        }

        public static List<FlightInfo> GetFlights()
        {;
            return Flights;
        }

        public static List<WorldCity> GetAirports()
        {
            return Airports;
        }

        public static int ComparePopulation(WorldCity a, WorldCity b)
        {
            if(a.Pop < b.Pop)
            {
                return 1;
            }
            if(a.Pop > b.Pop)
            {
                return -1;
            }

            return 0;
        }

        static Random rand = new Random();

        public static void Init()
        {
            Flights = new List<FlightInfo>();
            Airports = new List<WorldCity>();

            var fullCityList = WorldLocations.GetAll();
            var cities = new List<WorldCity>();

            var countries = new Dictionary<string, int>();

            foreach (var city in fullCityList)
            {
                if (countries.ContainsKey(city.Country))
                {
                    if (countries[city.Country] < 2)
                    {
                        cities.Add(city);
                        countries[city.Country]++;
                    }
                }
                else
                {
                    cities.Add(city);
                    countries.Add(city.Country, 1);
                }
            }

            fullCityList.Sort(new Comparison<WorldCity>(ComparePopulation));

            int count = cities.Count;
            int flightsCount = 0;

            double minDistance = 200;
            double maxDistance = 10000;
            double flightsLimit = 250;

            for (int i = 0; i < count; i++)
            {
                WorldCity origin = cities[i];
                int connectionsCount = 0;
                double connectionsMax = Math.Min(20, Math.Round(origin.Pop * 4));

                for (int j = 0; j < count; j++)
                {
                    WorldCity dest = cities[j];

                    GeoLocation originGeo = new GeoLocation() { Lat = origin.Lat, Lon = origin.Lon };
                    GeoLocation destGeo = new GeoLocation() { Lat = dest.Lat, Lon = dest.Lon };

                    if(origin.Name != dest.Name)
                    {
                        string route = origin.Name + "-" + dest.Name;
                        bool routeIsValid = !FlightsLookup.ContainsKey(route);

                        double distance = Math.Round(WorldUtils.CalcDistance(originGeo, destGeo));
                        bool distanceIsValid = distance > minDistance && distance < maxDistance;

                        double pass = Math.Round(rand.NextDouble() * 200) + 150;
                        double time = distance / 800;
                        bool trafficIsValid = origin.Pop > 3 && dest.Pop > 1.0;

                        if(routeIsValid && distanceIsValid && trafficIsValid)
                        {
                            FlightsLookup.Add(route, route);

                            List<List<Point>> paths = WorldUtils.CalcPaths(originGeo, destGeo);
                            flightsCount++;
                            connectionsCount++;

                            string id = origin.Name.Substring(0, 3).ToUpper() + "-" + flightsCount;
                            FlightInfo flight = new FlightInfo() { ID = id, Origin = origin, Dest = dest, Time = time, Passengers = pass, Distance = distance, Points = paths };
                            Flights.Add(flight);
                        }

                        if (connectionsCount > connectionsMax)
                        {
                            break;
                        }
                        if (flightsCount > flightsLimit)
                        {
                            break;
                        }
                    }
                }

            }

            foreach(FlightInfo flight in Flights)
            {
                AddAirport(flight.Origin);
                AddAirport(flight.Dest);
            }

            Airports = AirportsLookup.Values.ToList();
        }

        public static void AddAirport(WorldCity city)
        {
            if (!AirportsLookup.ContainsKey(city.Name))
            {
                AirportsLookup.Add(city.Name, city);
            }
        }

        public static List<CoordinateLine> GetGridlines()
        {
            List<CoordinateLine> gridlines = new List<CoordinateLine>();

            List<List<Point>> latLines = new List<List<Point>>();
            List<List<Point>> lonLines = new List<List<Point>>();

            for (int lon = -180; lon <= 180; lon += 30)
            {
                List<Point> points = new List<Point>();
                points.Add(new Point(lon, -90));
                points.Add(new Point(lon, 90));

                lonLines.Add(points);
            }

            for (int lat = -90; lat <= 90; lat += 30)
            {
                List<Point> points = new List<Point>();
                points.Add(new Point(-180, lat));
                points.Add(new Point(180, lat));

                latLines.Add(points);
            }

            CoordinateLine lines1 = new CoordinateLine() { Points = lonLines };
            CoordinateLine lines2 = new CoordinateLine() { Points = latLines };

            gridlines.Add(lines1);
            gridlines.Add(lines2);

            return gridlines;
        }
    }

    public class FlightInfo
    {
        public string ID { get; set; }
        public WorldCity Origin { get; set; }
        public WorldCity Dest { get; set; }
        public double Time { get; set; }
        public double Passengers { get; set; }
        public double Distance { get; set; }
        public List<List<Point>> Points { get; set; }
        public string Color { get; set; }
    }

    public class CoordinateLine
    {
        public List<List<Point>> Points { get; set; }
    }
}csコピー

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Infragistics.Samples
{
    public static class WorldLocations
    {
        public static List<WorldCity> GetAll()
        {
            return WorldLocations.Init();
        }

        public static List<WorldCity> GetCities()
        {
            List<WorldCity> all = WorldLocations.Init();
            return all.Where(c => c.Cap == false).ToList();
        }

        public static List<WorldCity> GetCapitals()
        {
            List<WorldCity> all = WorldLocations.Init();
            return all.Where(c => c.Cap == true).ToList();
        }

        public static List<WorldCity> Init()
        {
            List<WorldCity> cities = new List<WorldCity>() {
            // console.log("WorldLocations init");
            new WorldCity { Cap = false, Pop = 0.468, Lat = 68.9635467529297, Lon = 33.0860404968262, Country = "Russia", Name = "Murmansk" },
            new WorldCity { Cap = false, Pop = 0.416, Lat = 64.5206680297852, Lon = 40.6461601257324, Country = "Russia", Name = "Arkhangelsk" },
            new WorldCity { Cap = false, Pop = 5.825, Lat = 59.9518890380859, Lon = 30.4533271789551, Country = "Russia", Name = "Saint Petersburg" },
            new WorldCity { Cap = false, Pop = 0.152, Lat = 59.5709991455078, Lon = 150.780014038086, Country = "Russia", Name = "Magadan" },
            new WorldCity { Cap = false, Pop = 1.160, Lat = 58.0002365112305, Lon = 56.2324638366699, Country = "Russia", Name = "Perm'" },
            new WorldCity { Cap = false, Pop = 1.620, Lat = 56.8465423583984, Lon = 60.6101303100586, Country = "Russia", Name = "Yekaterinburg" },
            new WorldCity { Cap = false, Pop = 2.025, Lat = 56.2896766662598, Lon = 43.9406700134277, Country = "Russia", Name = "Nizhniy Novgorod" },
            new WorldCity { Cap = false, Pop = 1.800, Lat = 55.8628082275391, Lon = -4.26994752883911, Country = "UK", Name = "Glasgow" },
            new WorldCity { Cap = false, Pop = 1.140, Lat = 55.7330055236816, Lon = 49.1454658508301, Country = "Russia", Name = "Kazan'" },
            new WorldCity { Cap = false, Pop = 1.325, Lat = 55.1450004577637, Lon = 61.3926124572754, Country = "Russia", Name = "Chelyabinsk" },
            new WorldCity { Cap = false, Pop = 1.175, Lat = 55.063304901123, Lon = 73.2502899169922, Country = "Russia", Name = "Omsk" },
            new WorldCity { Cap = false, Pop = 1.600, Lat = 55.0321006774902, Lon = 82.9428482055664, Country = "Russia", Name = "Novosibirsk" },
            new WorldCity { Cap = false, Pop = 1.100, Lat = 54.8217353820801, Lon = 56.0961265563965, Country = "Russia", Name = "Ufa" },
            new WorldCity { Cap = true,  Pop = 0.582, Lat = 54.6885681152344, Lon = 25.2759666442871, Country = "Lithuania", Name = "Vilnius" },
            new WorldCity { Cap = false, Pop = 0.685, Lat = 54.5869255065918, Lon = -5.90966033935547, Country = "UK", Name = "Belfast" },
            new WorldCity { Cap = false, Pop = 0.909, Lat = 54.3662033081055, Lon = 18.624942779541, Country = "Poland", Name = "Gdansk" },
            new WorldCity { Cap = true,  Pop = 1.650, Lat = 53.8999366760254, Lon = 27.5755672454834, Country = "Byelarus", Name = "Minsk" },
            new WorldCity { Cap = false, Pop = 1.540, Lat = 53.8087120056152, Lon = -1.49752748012543, Country = "UK", Name = "Leeds" },
            new WorldCity { Cap = false, Pop = 2.225, Lat = 53.5711212158203, Lon = 10.027606010437, Country = "Germany", Name = "Hamburg" },
            new WorldCity { Cap = false, Pop = 2.775, Lat = 53.479663848877, Lon = -2.26177859306335, Country = "UK", Name = "Manchester" },
            new WorldCity { Cap = false, Pop = 0.710, Lat = 53.3740425109863, Lon = -1.46298921108246, Country = "UK", Name = "Sheffield" },
            new WorldCity { Cap = true,  Pop = 1.140, Lat = 53.3415603637695, Lon = -6.25734663009644, Country = "Ireland", Name = "Dublin" },
            new WorldCity { Cap = false, Pop = 1.505, Lat = 53.1385955810547, Lon = 50.0961799621582, Country = "Russia", Name = "Samara" },
            new WorldCity { Cap = false, Pop = 0.800, Lat = 53.0801048278809, Lon = 8.85762596130371, Country = "Germany", Name = "Bremen" },
            new WorldCity { Cap = true,  Pop = 5.061, Lat = 52.5162734985352, Lon = 13.3275728225708, Country = "Germany", Name = "Berlin" },
            new WorldCity { Cap = false, Pop = 2.675, Lat = 52.4927520751953, Lon = -1.86334776878357, Country = "UK", Name = "Birmingham" },
            new WorldCity { Cap = true,  Pop = 1.860, Lat = 52.3730430603027, Lon = 4.89483308792114, Country = "Netherlands", Name = "Amsterdam" },
            new WorldCity { Cap = false, Pop = 0.626, Lat = 52.3174324035645, Lon = 104.247833251953, Country = "Russia", Name = "Irkutsk" },
            new WorldCity { Cap = true,  Pop = 2.323, Lat = 52.244945526123, Lon = 21.0118789672852, Country = "Poland", Name = "Warsaw" },
            new WorldCity { Cap = false, Pop = 1.110, Lat = 51.925594329834, Lon = 4.48515224456787, Country = "Netherlands", Name = "Rotterdam" },
            new WorldCity { Cap = false, Pop = 1.061, Lat = 51.7779083251953, Lon = 19.4764404296875, Country = "Poland", Name = "Lodz" },
            new WorldCity { Cap = false, Pop = 0.568, Lat = 51.5138130187988, Lon = 7.46641826629639, Country = "Germany", Name = "Dortmund" },
            new WorldCity { Cap = false, Pop = 0.515, Lat = 51.4893379211426, Lon = 6.77530431747437, Country = "Germany", Name = "Duisburg" },
            new WorldCity { Cap = true,  Pop = 11.100, Lat = 51.4879112243652, Lon = -0.177998125553131, Country = "UK", Name = "london" },
            new WorldCity { Cap = false, Pop = 3.867, Lat = 51.3540420532227, Lon = 7.12243509292603, Country = "Germany", Name = "Essen" },
            new WorldCity { Cap = false, Pop = 0.700, Lat = 51.3493309020996, Lon = 12.3980741500854, Country = "Germany", Name = "Leipzig" },
            new WorldCity { Cap = false, Pop = 1.100, Lat = 51.207347869873, Lon = 4.42605447769165, Country = "Belgium", Name = "Antwerpen" },
            new WorldCity { Cap = false, Pop = 0.640, Lat = 51.1218185424805, Lon = 17.0381278991699, Country = "Poland", Name = "Wroclaw" },
            new WorldCity { Cap = false, Pop = 0.465, Lat = 51.0475540161133, Lon = 3.73629117012024, Country = "Belgium", Name = "Gent" },
            new WorldCity { Cap = false, Pop = 0.670, Lat = 51.0456809997559, Lon = 13.7053575515747, Country = "Germany", Name = "Dresden" },
            new WorldCity { Cap = false, Pop = 0.671, Lat = 51.0299987792969, Lon = -114.050003051758, Country = "Canada", Name = "Calgary" },
            new WorldCity { Cap = false, Pop = 1.760, Lat = 50.9423446655273, Lon = 6.93487167358398, Country = "Germany", Name = "Koln" },
            new WorldCity { Cap = true,  Pop = 2.385, Lat = 50.8370475769043, Lon = 4.36761236190796, Country = "Belgium", Name = "Bruxelles" },
            new WorldCity { Cap = false, Pop = 0.570, Lat = 50.7345581054688, Lon = 7.09981870651245, Country = "Germany", Name = "Bonn" },
            new WorldCity { Cap = false, Pop = 1.020, Lat = 50.6320838928223, Lon = 3.06290125846863, Country = "France", Name = "Lille" },
            new WorldCity { Cap = false, Pop = 0.750, Lat = 50.6225280761719, Lon = 5.56943559646606, Country = "Belgium", Name = "Liege" },
            new WorldCity { Cap = true,  Pop = 2.900, Lat = 50.4481582641602, Lon = 30.5021114349365, Country = "Ukraine", Name = "Kiev" },
            new WorldCity { Cap = false, Pop = 1.855, Lat = 50.129997253418, Lon = 8.66816711425781, Country = "Germany", Name = "Frankfurt am Main" },
            new WorldCity { Cap = true,  Pop = 1.325, Lat = 50.1058959960938, Lon = 14.4565200805664, Country = "Czech Repub", Name = "Prague" },
            new WorldCity { Cap = false, Pop = 0.828, Lat = 50.0622406005859, Lon = 19.9450569152832, Country = "Poland", Name = "Krakow" },
            new WorldCity { Cap = false, Pop = 0.625, Lat = 49.9211692810059, Lon = -97.1244430541992, Country = "Canada", Name = "Winnipeg" },
            new WorldCity { Cap = false, Pop = 0.614, Lat = 49.879207611084, Lon = 73.20263671875, Country = "Kazakhstan", Name = "Karaganda" },
            new WorldCity { Cap = false, Pop = 0.790, Lat = 49.8373107910156, Lon = 24.0345211029053, Country = "Ukraine", Name = "Lvov" },
            new WorldCity { Cap = false, Pop = 0.450, Lat = 49.2029800415039, Lon = 16.6162452697754, Country = "Czech Repub", Name = "Brno" },
            new WorldCity { Cap = true,  Pop = 9.775, Lat = 48.8815536499023, Lon = 2.43283271789551, Country = "France", Name = "Paris" },
            new WorldCity { Cap = false, Pop = 1.360, Lat = 48.7102470397949, Lon = 44.4836311340332, Country = "Russia", Name = "Volgograd" },
            new WorldCity { Cap = false, Pop = 0.400, Lat = 48.5834350585938, Lon = 7.76799440383911, Country = "France", Name = "Strasbourg" },
            new WorldCity { Cap = false, Pop = 0.335, Lat = 48.2975959777832, Lon = 14.2939014434814, Country = "Austria", Name = "Linz" },
            new WorldCity { Cap = true,  Pop = 1.875, Lat = 48.2021179199219, Lon = 16.3209857940674, Country = "Austria", Name = "Vienna" },
            new WorldCity { Cap = false, Pop = 1.955, Lat = 48.1409759521484, Lon = 11.5429534912109, Country = "Germany", Name = "Munchen" },
            new WorldCity { Cap = false, Pop = 2.200, Lat = 48.0401458740234, Lon = 37.7370529174805, Country = "Ukraine", Name = "Donets'k" },
            new WorldCity { Cap = true,  Pop = 0.548, Lat = 47.928596496582, Lon = 106.912353515625, Country = "Mongolia", Name = "Ulaanbaatar" },
            new WorldCity { Cap = true,  Pop = 2.565, Lat = 47.5146255493164, Lon = 19.0942497253418, Country = "Hungary", Name = "Budapest" },
            new WorldCity { Cap = false, Pop = 1.150, Lat = 47.3440055847168, Lon = 123.964965820313, Country = "China", Name = "Qiqihar" },
            new WorldCity { Cap = false, Pop = 0.185, Lat = 47.2654609680176, Lon = 11.3499822616577, Country = "Austria", Name = "Innsbruck" },
            new WorldCity { Cap = false, Pop = 1.165, Lat = 47.2320976257324, Lon = 39.6880378723145, Country = "Russia", Name = "Rostov-na-Donu" },
            new WorldCity { Cap = false, Pop = 0.465, Lat = 47.2194328308105, Lon = -1.56156122684479, Country = "France", Name = "Nantes" },
            new WorldCity { Cap = false, Pop = 0.325, Lat = 47.0649223327637, Lon = 15.4311008453369, Country = "Austria", Name = "Graz" },
            new WorldCity { Cap = true,  Pop = 0.299, Lat = 46.9482078552246, Lon = 7.44573640823364, Country = "Switzerland", Name = "Bern" },
            new WorldCity { Cap = false, Pop = 0.603, Lat = 46.802074432373, Lon = -71.2449340820313, Country = "Canada", Name = "Quebec" },
            new WorldCity { Cap = false, Pop = 1.185, Lat = 46.5722007751465, Lon = 30.6839370727539, Country = "Ukraine", Name = "Odessa" },
            new WorldCity { Cap = false, Pop = 2.670, Lat = 45.7552185058594, Lon = 126.622634887695, Country = "China", Name = "Harbin" },
            new WorldCity { Cap = false, Pop = 1.275, Lat = 45.7470817565918, Lon = 4.85540056228638, Country = "France", Name = "Lyon" },
            new WorldCity { Cap = false, Pop = 2.921, Lat = 45.541015625, Lon = -73.6535339355469, Country = "Canada", Name = "Montreal" },
            new WorldCity { Cap = false, Pop = 3.750, Lat = 45.4733810424805, Lon = 9.19046401977539, Country = "Italy", Name = "Milano" },
            new WorldCity { Cap = false, Pop = 0.420, Lat = 45.4247741699219, Lon = 12.370719909668, Country = "Italy", Name = "Venezia" },
            new WorldCity { Cap = true,  Pop = 0.819, Lat = 45.3742179870605, Lon = -75.650749206543, Country = "Canada", Name = "Ottawa" },
            new WorldCity { Cap = false, Pop = 1.550, Lat = 45.0748748779297, Lon = 7.66642618179321, Country = "Italy", Name = "Torino" },
            new WorldCity { Cap = false, Pop = 2.012, Lat = 44.924186706543, Lon = -93.3077926635742, Country = "US", Name = "Minneapolis" },
            new WorldCity { Cap = false, Pop = 0.640, Lat = 44.8414726257324, Lon = -0.599498748779297, Country = "France", Name = "Bordeaux" },
            new WorldCity { Cap = true,  Pop = 1.400, Lat = 44.7996826171875, Lon = 20.4125556945801, Country = "Serbia", Name = "Beograd" },
            new WorldCity { Cap = true,  Pop = 2.250, Lat = 44.4304847717285, Lon = 26.1229763031006, Country = "Romania", Name = "Bucuresti" },
            new WorldCity { Cap = false, Pop = 1.740, Lat = 43.8813171386719, Lon = 125.312652587891, Country = "China", Name = "Changchung" },
            new WorldCity { Cap = false, Pop = 1.170, Lat = 43.8502159118652, Lon = 126.56706237793, Country = "China", Name = "Jilin" },
            new WorldCity { Cap = false, Pop = 1.040, Lat = 43.7826652526855, Lon = 87.5865173339844, Country = "China", Name = "Urumqi" },
            new WorldCity { Cap = false, Pop = 0.640, Lat = 43.7815742492676, Lon = 11.207745552063, Country = "Italy", Name = "Firenze" },
            new WorldCity { Cap = false, Pop = 3.427, Lat = 43.7207679748535, Lon = -79.4126358032227, Country = "Canada", Name = "Toronto" },
            new WorldCity { Cap = false, Pop = 0.541, Lat = 43.5999603271484, Lon = 1.43798303604126, Country = "France", Name = "Toulouse" },
            new WorldCity { Cap = false, Pop = 0.985, Lat = 43.2821578979492, Lon = -2.97378325462341, Country = "Spain", Name = "Bilbao" },
            new WorldCity { Cap = true,  Pop = 1.190, Lat = 43.2550621032715, Lon = 76.9126281738281, Country = "Kazakhstan", Name = "Almaty" },
            new WorldCity { Cap = false, Pop = 0.816, Lat = 43.2104644775391, Lon = -77.635612487793, Country = "US", Name = "Rochester" },
            new WorldCity { Cap = false, Pop = 1.375, Lat = 43.0679473876953, Lon = -87.9907379150391, Country = "US", Name = "Milwaukee" },
            new WorldCity { Cap = false, Pop = 1.900, Lat = 43.0552520751953, Lon = 141.345474243164, Country = "Japan", Name = "Sapporo" },
            new WorldCity { Cap = false, Pop = 1.483, Lat = 42.8986625671387, Lon = -78.8484344482422, Country = "US", Name = "Buffalo" },
            new WorldCity { Cap = true,  Pop = 1.205, Lat = 42.7072639465332, Lon = 23.3318710327148, Country = "Bulgaria", Name = "Sofia" },
            new WorldCity { Cap = false, Pop = 4.692, Lat = 42.3943138122559, Lon = -83.0789260864258, Country = "US", Name = "Detroit" },
            new WorldCity { Cap = false, Pop = 3.972, Lat = 42.3752975463867, Lon = -71.1025848388672, Country = "US", Name = "Boston" },
            new WorldCity { Cap = false, Pop = 1.270, Lat = 41.8591575622559, Lon = 123.905570983887, Country = "China", Name = "Fushun" },
            new WorldCity { Cap = false, Pop = 7.717, Lat = 41.826545715332, Lon = -87.6413040161133, Country = "US", Name = "Chicago" },
            new WorldCity { Cap = false, Pop = 3.840, Lat = 41.8021621704102, Lon = 123.383056640625, Country = "China", Name = "Shenyang" },
            new WorldCity { Cap = true,  Pop = 1.460, Lat = 41.721809387207, Lon = 44.7831268310547, Country = "Georgia", Name = "Tbilisi" },
            new WorldCity { Cap = false, Pop = 0.575, Lat = 41.6512641906738, Lon = -0.878205060958862, Country = "Spain", Name = "Zaragoza" },
            new WorldCity { Cap = false, Pop = 2.218, Lat = 41.3907165527344, Lon = -81.7275085449219, Country = "US", Name = "Cleveland" },
            new WorldCity { Cap = true,  Pop = 0.211, Lat = 41.3316535949707, Lon = 19.8318042755127, Country = "Albania", Name = "Tirane" },
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            new WorldCity { Cap = true,  Pop = 0.980, Lat = 33.9201965332031, Lon = -6.74804067611694, Country = "Morocco", Name = "Rabat" },
            new WorldCity { Cap = true,  Pop = 0.138, Lat = 64.3132629394531, Lon = -21.336820602417, Country = "Iceland", Name = "Reykjavik" },
            new WorldCity { Cap = true,  Pop = 1.005, Lat = 56.8800010681152, Lon = 24.0499992370605, Country = "latvia", Name = "Riga" },
            new WorldCity { Cap = true,  Pop = 3.175, Lat = 41.8800010681152, Lon = 12.5200004577637, Country = "Italy", Name = "Roma" },
            new WorldCity { Cap = false, Pop = 2.050, Lat = -12.6002569198608, Lon = -38.4799995422363, Country = "Brazil", Name = "Salvador" },
            new WorldCity { Cap = false, Pop = 0.848, Lat = 29.6299991607666, Lon = 52.5699996948242, Country = "Iran", Name = "Shiraz" },
            new WorldCity { Cap = true,  Pop = 1.450, Lat = 59.2446327209473, Lon = 18.0842685699463, Country = "Sweden", Name = "Stockholm" },
            new WorldCity { Cap = false, Pop = 2.028, Lat = -7.40000009536743, Lon = 112.684371948242, Country = "Indonesia", Name = "Surabaja" },
            new WorldCity { Cap = false, Pop = 0.657, Lat = 23.1700000762939, Lon = 120.230003356934, Country = "Taiwan", Name = "T`ai-nan" },
            new WorldCity { Cap = false, Pop = 0.595, Lat = 27.9973583221436, Lon = -82.5930252075195, Country = "US", Name = "Tampa" },
            new WorldCity { Cap = true,  Pop = 1.670, Lat = 31.9171981811523, Lon = 34.8568344116211, Country = "Israel", Name = "Tel Aviv-Yafo" },
            new WorldCity { Cap = false, Pop = 0.706, Lat = 40.6300010681152, Lon = 22.7999992370605, Country = "Greece", Name = "Thessaloniki" },
            new WorldCity { Cap = true,  Pop = 2.325, Lat = 41.247932434082, Lon = 69.3498687744141, Country = "Uzbekistan", Name = "Toshkent" },
            new WorldCity { Cap = false, Pop = 0.198, Lat = 34.3437576293945, Lon = 36.0070686340332, Country = "Lebanon", Name = "Tripoli" },
            new WorldCity { Cap = false, Pop = 0.675, Lat = -32.9000015258789, Lon = -71.2993392944336, Country = "Chile", Name = "Valparaiso" },
            new WorldCity { Cap = false, Pop = 1.381, Lat = 49.274299621582, Lon = -122.963066101074, Country = "Canada", Name = "Vancouver" },
            new WorldCity { Cap = false, Pop = 0.648, Lat = 43.1300010681152, Lon = 131.960433959961, Country = "Russia", Name = "Vladivostok" },
            new WorldCity { Cap = false, Pop = 0.017, Lat = -23.1018676757813, Lon = 14.6171045303345, Country = "Namibia", Name = "Walvis Bay" },
            new WorldCity { Cap = true,  Pop = 0.115, Lat = -22.5699996948242, Lon = 17.1000003814697, Country = "Namibia", Name = "Windhoek" },
            new WorldCity { Cap = true,  Pop = 0.350, Lat = -41.2103958129883, Lon = 175.144943237305, Country = "New Zealand", Name = "Wellington" },
            new WorldCity { Cap = false, Pop = 2.077, Lat = 47.5885543823242, Lon = -122.316650390625, Country = "US", Name = "Seattle" },
            new WorldCity { Cap = false, Pop = 2.099, Lat = 32.7614593505859, Lon = -117.125495910645, Country = "US", Name = "San Diego" },
            new WorldCity { Cap = false, Pop = 0.110, Lat = -20.2600002288818, Lon = -69.9132614135742, Country = "Chile", Name = "Iquique" },
            new WorldCity { Cap = true,  Pop = 0.243, Lat = 24.2360076904297, Lon = 54.619270324707, Country = "Untd Arab Em", Name = "Abu Zaby" },
            new WorldCity { Cap = false, Pop = 0.199, Lat = 7.57660102844238, Lon = -72.0054550170898, Country = "Venezuela", Name = "San Cristobal" },
            new WorldCity { Cap = false, Pop = 0.509, Lat = 46.25, Lon = 48, Country = "Russia", Name = "Astrakhan" },
            new WorldCity { Cap = false, Pop = 0.000, Lat = 30.1386032104492, Lon = 9.81835079193115, Country = "Libya", Name = "Ghadamis" },
            new WorldCity { Cap = false, Pop = 0.077, Lat = -31.3051528930664, Lon = -57.7087745666504, Country = "Uruguay", Name = "Salto" },
            new WorldCity { Cap = false, Pop = 0.012, Lat = 62.5206146240234, Lon = -114.061363220215, Country = "Canada", Name = "Yellowknife" },
            new WorldCity { Cap = false, Pop = 0.043, Lat = 19.7148151397705, Lon = -155.067291259766, Country = "US", Name = "Hilo" },
            new WorldCity { Cap = false, Pop = 0.763, Lat = 21.3211765289307, Lon = -157.806182861328, Country = "US", Name = "Honolulu" },
            new WorldCity { Cap = false, Pop = 0.184, Lat = 61.188648223877, Lon = -149.172973632813, Country = "US", Name = "Anchorage" },
            new WorldCity { Cap = false, Pop = 0.040, Lat = 64.8387451171875, Lon = -147.651184082031, Country = "US", Name = "Fairbanks" },
            new WorldCity { Cap = false, Pop = 0.020, Lat = 58.3910064697266, Lon = -134.132476806641, Country = "US", Name = "Juneau" },
            new WorldCity { Cap = false, Pop = 0.629, Lat = 37.30810546875, Lon = -121.847457885742, Country = "US", Name = "San Jose" },
            new WorldCity { Cap = false, Pop = 0.386, Lat = 28.5581398010254, Lon = -105.966636657715, Country = "Mexico", Name = "Chihuaha" },
            new WorldCity { Cap = false, Pop = 0.385, Lat = 19.0096759796143, Lon = -96.0840606689453, Country = "Mexico", Name = "Veracruz" },
            new WorldCity { Cap = false, Pop = 0.154, Lat = 16.9209060668945, Lon = -96.9420394897461, Country = "Mexico", Name = "Oaxaca" },
            new WorldCity { Cap = false, Pop = 0.000, Lat = 78.1999969482422, Lon = 15.6599998474121, Country = "Norway", Name = "longyearbyen" },
            new WorldCity { Cap = true,  Pop = 5.396, Lat = 22.4284057617188, Lon = 114.145706176758, Country = "UK", Name = "Hong Kong" },
            new WorldCity { Cap = false, Pop = 0.775, Lat = 22.3798961639404, Lon = 114.230117797852, Country = "UK", Name = "Kowloon" },
            new WorldCity { Cap = false, Pop = 3.025, Lat = 1.22979354858398, Lon = 104.177116394043, Country = "Singapore", Name = "Singapore" },
            };

            return cities;
        }
    }
}csコピー

using IgniteUI.Blazor.Controls;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;

namespace Infragistics.Samples
{
    public static class WorldUtils
    {
        public static List<List<Point>> CalcPaths(GeoLocation origin, GeoLocation dest)
        {
            int interval = 200;
            var paths = new List<List<Point>>() { new List<Point>() };
            int pathID = 0;
            double distance = WorldUtils.CalcDistance(origin, dest);

            if (distance <= interval)
            {
                paths[pathID].Add(new Point() { X = dest.Lon, Y = dest.Lat });
            }
            else
            {
                GeoLocation current = origin;
                GeoLocation previous = origin;

                for (int dist = interval; dist <= distance; dist += interval)
                {
                    previous = current;

                    paths[pathID].Add(new Point() { X = current.Lon, Y = current.Lat });

                    double bearing = WorldUtils.CalcBearing(current, dest);
                    current = WorldUtils.CalcDestination(current, bearing, interval);

                    if (previous.Lon > 150 && current.Lon < -150)
                    {
                        paths[pathID].Add(new Point() { X = 180, Y = current.Lat });
                        paths.Add(new List<Point>());
                        pathID++;
                        current = new GeoLocation() { Lon = -180, Lat = current.Lat };
                    }
                    else if(previous.Lon < -150 && current.Lon > 150)
                    {
                        paths[pathID].Add(new Point() { X = -180, Y = current.Lat });
                        paths.Add(new List<Point>());
                        pathID++;
                        current = new GeoLocation() { Lon = 180, Lat = current.Lat };
                    }
                }

                paths[pathID].Add(new Point() { X = dest.Lon, Y = dest.Lat });

            }

            return paths;

        }

        public static double CalcBearing(GeoLocation origin, GeoLocation dest)
        {
            origin = WorldUtils.ToRadianLocation(origin);
            dest = WorldUtils.ToRadianLocation(dest);

            double range = (dest.Lon - origin.Lon);

            double y = Math.Sin(range) * Math.Cos(dest.Lat);
            double x = Math.Cos(origin.Lat) * Math.Sin(dest.Lat) - Math.Sin(origin.Lat) * Math.Cos(dest.Lat) * Math.Cos(range);
            double angle = Math.Atan2(y, x);

            return WorldUtils.ToDegreesNormalized(angle);
        }

        public static GeoLocation CalcDestination(GeoLocation origin, double bearing, double distance)
        {
            double radius = 6371.0;

            origin = WorldUtils.ToRadianLocation(origin);
            bearing = WorldUtils.ToRadians(bearing);

            distance = distance / radius;

            double lat = Math.Asin(Math.Sin(origin.Lat) * Math.Cos(distance) +
               Math.Cos(origin.Lat) * Math.Sin(distance) * Math.Cos(bearing));
            double x = Math.Sin(bearing) * Math.Sin(distance) * Math.Cos(origin.Lat);
            double y = Math.Cos(distance) - Math.Sin(origin.Lat) * Math.Sin(origin.Lat);
            double lon = origin.Lon + Math.Atan2(x, y);
            // normalize lon to coordinate between -180º and +180º
            lon = (lon + 3 * Math.PI) % (2 * Math.PI) - Math.PI;

            lon = WorldUtils.ToDegrees(lon);
            lat = WorldUtils.ToDegrees(lat);

            return new GeoLocation() { Lat = lat, Lon = lon };
        }

        public static double CalcDistance(GeoLocation origin, GeoLocation dest)
        {
            origin = WorldUtils.ToRadianLocation(origin);
            dest = WorldUtils.ToRadianLocation(dest);

            double sinProd = Math.Sin(origin.Lat) * Math.Sin(dest.Lat);
            double cosProd = Math.Cos(origin.Lat) * Math.Cos(dest.Lat);
            double lonDelta = (dest.Lon - origin.Lon);

            double angle = Math.Acos(sinProd + cosProd * Math.Cos(lonDelta));
            double distance = angle * 6371.0;
            return distance;
        }

        public static GeoLocation ToRadianLocation(GeoLocation geoPoint)
        {
            double x = WorldUtils.ToRadians(geoPoint.Lon);
            double y = WorldUtils.ToRadians(geoPoint.Lat);

            return new GeoLocation() { Lon = x, Lat = y };
        }

        public static double ToRadians(double degrees)
        {
            return degrees * Math.PI / 180;
        }

        public static double ToDegrees(double radians)
        {
            return (radians * 180.0 / Math.PI);
        }

        public static double ToDegreesNormalized(double radians)
        {
            double degrees = WorldUtils.ToDegrees(radians);
            degrees = (degrees + 360) % 360;
            return degrees;
        }

        public static string ToStringLat(double latitude)
        {
            string str = Math.Abs(latitude) + "°";
            return latitude > 0 ? str + "N" : str + "S";
        }

        public static string ToStringLon(double coordinate)
        {
            double val = Math.Abs(coordinate);
            string str = val.ToString();
            return coordinate > 0 ? str + "°E" : str + "°W";
        }

        public static string ToStringAbbr(double value)
        {
            if (value > 1000000000000)
            {
                return (value / 1000000000000).ToString("N1") + " T";
        }
            else if (value > 1000000000)
            {
                return (value / 1000000000).ToString("N1") + " B";
          }
            else if (value > 1000000)
            {
                return (value / 1000000).ToString("N1") + " M";
          }
            else if (value > 1000)
            {
                return (value / 1000).ToString("N1") + " K";
          }
            return value.ToString("N0");
        }

        public static double GetLongitude(GeoLocation location)
        {
            return location.Lon;
        }

        public static double GetLatitude(GeoLocation location)
        {
            return location.Lat;
        }

        public static Rect GetBounds(List<GeoLocation> locations)
        {
            double minLat = 90;
            double maxLat = -90;
            double minLon = 180;
            double maxLon = -180;

            foreach(GeoLocation gl in locations)
            {
                double curLon = WorldUtils.GetLongitude(gl);
                double curLat = WorldUtils.GetLatitude(gl);

                if (!double.IsNaN(curLon))
                {
                    minLon = Math.Min(minLon, curLon);
                    maxLon = Math.Max(maxLon, curLon);
                }

                if (!double.IsNaN(curLat))
                {
                    minLat = Math.Min(minLat, curLat);
                    maxLat = Math.Min(maxLat, curLat);
                }
            }

            Rect geoBounds = new Rect(minLon, minLat, Math.Abs(maxLon - minLon), Math.Abs(maxLat - minLat));
            return geoBounds;
        }

        public static List<Point> GetNightShapes()
        {
            List<Point> line = new List<Point>();

            for (int lon = -180; lon <= 180; lon += 1)
            {
                double x = lon;
                double y = 75 * Math.Cos(lon * Math.PI / 180);
                line.Add(new Point(x, y));
            }

            return line;
        }
    }
}csコピー

@using IgniteUI.Blazor.Controls

<div class="container vertical">
    <div class="container vertical">
        <IgbGeographicMap Height="100%" Width="100%" Zoomable="true">
            <IgbGeographicPolylineSeries DataSource="Flights" ShapeMemberPath="Points"
                                      ShapeStroke="rgba(196, 14, 14, 0.2)" ShapeStrokeThickness="4" />
            <IgbGeographicPolylineSeries DataSource="Coordinates" ShapeMemberPath="Points"
                                      ShapeStroke="Gray" ShapeStrokeThickness="1">
            </IgbGeographicPolylineSeries>
            <IgbGeographicSymbolSeries DataSource="Airports" LatitudeMemberPath="Lat"
                                    LongitudeMemberPath="Lon" MarkerType="MarkerType.Circle"
                                    MarkerBrush="#AAD3DF" MarkerOutline="Black" Thickness="1" />
        </IgbGeographicMap>
    </div>
</div>

@code {

    private List<WorldCity> Airports;
    private List<FlightInfo> Flights;
    private List<CoordinateLine> Coordinates;

    protected override void OnInitialized()
    {

        Airports = WorldConnections.GetAirports();
        Flights = WorldConnections.GetFlights();
        Coordinates = WorldConnections.GetGridlines();
    }
}razorコピー

/* 
CSS styles are loaded from the shared CSS file located at:
https://static.infragistics.com/xplatform/css/samples/
*/cssコピー

Like this sample? Get access to our complete Ignite UI for Blazor toolkit and start building your own apps in minutes. Download it for free.

이 항목에서는 다음과 같은 지리 공간 데이터를 표시하는 여러 지리 계열을 표시하는 방법을 단계별로 설명합니다.

• IgbGeographicSymbolSeries– 주요 공항의 위치를 표시합니다.
• IgbGeographicPolylineSeries– 공항 간 항공편을 표시합니다.
• IgbGeographicPolylineSeries – displays gridlines of major coordinates

이 조합이나 다른 조합으로 지리적 계열을 사용하여 원하는 데이터를 표시할 수 있습니다.

最速のデータ グリッド、高性能なチャート、すぐに使用できる機能のフルセットなどを含む 60 以上の再利用可能なコンポーネント を使用して、最新の Web エクスペリエンスを構築します。

無料で試してみる

Creating Data Sources

Ignite UI for Blazor 맵에 표시하려는 모든 지리적 시리즈에 대한 데이터 소스를 만듭니다. 예를 들어, WorldConnections 스크립트를 사용할 수 있습니다.

@code {

    public List<WorldCity> Airports;
    public List<FlightInfo> Flights;
    public List<CoordinateLine> Coordinates;

    protected override void OnInitialized()
    {
        Airports = WorldConnections.GetAirports();
        Flights = WorldConnections.GetFlights();
        Coordinates = WorldConnections.GetGridlines();
    }
}
razor

Overlaying Flights

주요 공항 간 항공편 연결을 포함하는 첫 번째 IgbGeographicPolylineSeries 객체를 만들고 이를 Ignite UI for Blazor 맵의 Series 컬렉션에 추가합니다.

<IgbGeographicMap Height="100%" Width="100%" Zoomable="true">
    <IgbGeographicPolylineSeries DataSource="Flights" ShapeMemberPath="Points"
        ShapeStroke="rgba(196, 14, 14, 0.05)" ShapeStrokeThickness="4" />
</IgbGeographicMap>
razor

Overlaying Gridlines

지리적 격자선이 있는 두 번째 IgbGeographicPolylineSeries 객체를 만들고 이를 Ignite UI for Blazor 맵의 Series 컬렉션에 추가합니다.

<IgbGeographicMap Height="100%" Width="100%" Zoomable="true">
    <IgbGeographicPolylineSeries DataSource="Coordinates" ShapeMemberPath="Points"
        ShapeStroke="Gray" ShapeStrokeThickness="1" />
</IgbGeographicMap>
razor

Overlaying Airports

공항 지점을 사용하여 IgbGeographicSymbolSeries 객체를 만들고 이를 Ignite UI for Blazor 지리적 맵의 Series 컬렉션에 추가합니다.

<IgbGeographicMap Height="100%" Width="100%" Zoomable="true">
    <IgbGeographicSymbolSeries DataSource="Airports" LatitudeMemberPath="Lat"
        LongitudeMemberPath="Lon" MarkerType="MarkerType.Circle"
        MarkerBrush="#AAD3DF" MarkerOutline="Black" Thickness="1" />
</IgbGeographicMap>
razor

Summary

귀하의 편의를 위해 위의 모든 코드 조각은 아래의 하나의 코드 블록으로 결합되어 프로젝트에 쉽게 복사할 수 있습니다.

@using IgniteUI.Blazor.Controls


<IgbGeographicMap Height="100%" Width="100%" Zoomable="true">
    <IgbGeographicPolylineSeries DataSource="Flights" ShapeMemberPath="Points"
        ShapeStroke="rgba(196, 14, 14, 0.05)" ShapeStrokeThickness="4" />
    <IgbGeographicPolylineSeries DataSource="Coordinates" ShapeMemberPath="Points"
        ShapeStroke="Gray" ShapeStrokeThickness="1">
    </IgbGeographicPolylineSeries>
    <IgbGeographicSymbolSeries DataSource="Airports" LatitudeMemberPath="Lat"
        LongitudeMemberPath="Lon" MarkerType="MarkerType.Circle"
        MarkerBrush="#AAD3DF" MarkerOutline="Black" Thickness="1" />
</IgbGeographicMap>

@code {

    private List<WorldCity> Airports;
    private List<FlightInfo> Flights;
    private List<CoordinateLine> Coordinates;

    protected override void OnInitialized()
    {
        Airports = WorldConnections.GetAirports();
        Flights = WorldConnections.GetFlights();
        Coordinates = WorldConnections.GetGridlines();
    }
}
razor

API References

• IgbGeographicPolylineSeries
• IgbGeographicSymbolSeries