■ IClusterer 인터페이스를 사용해 커스텀 Clusterer를 구현하는 방법을 보여준다.
▶ Cluster.cs
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using System; using System.Collections.Generic; using DevExpress.Map; using DevExpress.XtraMap; namespace TestProject { /// <summary> /// 클러스터 /// </summary> public class Cluster { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 지원 좌표 위치 리스트 /// </summary> private List<ISupportCoordLocation> supportCoordLocationList; /// <summary> /// 중심점 /// </summary> private MapPoint centerPoint; /// <summary> /// 가장 가까운 클러스터 /// </summary> private Cluster closestCluster; /// <summary> /// 가장 가까운 거리 /// </summary> private double distanceToClosest; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 지원 좌표 위치 리스트 - SupportCoordLocationList /// <summary> /// 지원 좌표 위치 리스트 /// </summary> public List<ISupportCoordLocation> SupportCoordLocationList { get { return this.supportCoordLocationList; } } #endregion #region 중심점 - CenterPoint /// <summary> /// 중심점 /// </summary> public MapPoint CenterPoint { get { return this.centerPoint; } } #endregion #region 가장 가까운 클러스터 - ClosestCluster /// <summary> /// 가장 가까운 클러스터 /// </summary> public Cluster ClosestCluster { get { return this.closestCluster; } set { this.closestCluster = value; this.distanceToClosest = GetDistance(this.closestCluster); } } #endregion #region 가장 가까운 거리 - DistanceToClosest /// <summary> /// 가장 가까운 거리 /// </summary> public double DistanceToClosest { get { return this.distanceToClosest; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Cluster(supportCoordLocationList) /// <summary> /// 생성자 /// </summary> /// <param name="supportCoordLocationList">지원 좌표 위치 리스트</param> public Cluster(List<ISupportCoordLocation> supportCoordLocationList) { this.supportCoordLocationList = supportCoordLocationList; this.centerPoint = CalculateCenterPoint(supportCoordLocationList); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 초기화하기 - Initialize(supportCoordLocation) /// <summary> /// 초기화하기 /// </summary> /// <param name="supportCoordLocation">지원 좌표 위치</param> /// <returns>클러스터</returns> public static Cluster Initialize(ISupportCoordLocation supportCoordLocation) { List<ISupportCoordLocation> supportCoordLocationList = new List<ISupportCoordLocation>(); supportCoordLocationList.Add(supportCoordLocation); return new Cluster(supportCoordLocationList); } #endregion #region 병합하기 - Cluster Merge(cluster1, cluster2) /// <summary> /// 병합하기 /// </summary> /// <param name="cluster1">클러스터 1</param> /// <param name="cluster2">클러스터 2</param> /// <returns>클러스터</returns> public static Cluster Merge(Cluster cluster1, Cluster cluster2) { List<ISupportCoordLocation> list = new List<ISupportCoordLocation>(cluster1.SupportCoordLocationList); list.AddRange(cluster2.SupportCoordLocationList); return new Cluster(list); } #endregion #region 중심점 계산하기 - CalculateCenterPoint(supportCoordLocationList) /// <summary> /// 중심점 계산하기 /// </summary> /// <param name="supportCoordLocationList">지원 좌표 위치 리스트</param> /// <returns>중심점</returns> public static MapPoint CalculateCenterPoint(List<ISupportCoordLocation> supportCoordLocationList) { double meanX = 0; double meanY = 0; foreach(ISupportCoordLocation supportCoordLocation in supportCoordLocationList) { meanX += supportCoordLocation.Location.GetX(); meanY += supportCoordLocation.Location.GetY(); } meanX /= supportCoordLocationList.Count; meanY /= supportCoordLocationList.Count; return new MapPoint(meanX, meanY); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 거리 구하기 - GetDistance(cluster) /// <summary> /// 거리 구하기 /// </summary> /// <param name="cluster">클러스터</param> /// <returns>거리</returns> public double GetDistance(Cluster cluster) { return Math.Sqrt ( (cluster.CenterPoint.X - CenterPoint.X) * (cluster.CenterPoint.X - CenterPoint.X) + (cluster.CenterPoint.Y - CenterPoint.Y) * (cluster.CenterPoint.Y - CenterPoint.Y) ); } #endregion } } |
▶ CureClusterer.cs
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using System; using System.Collections.Generic; using System.Linq; using System.Threading; using DevExpress.Map; using DevExpress.XtraMap; namespace TestProject { /// <summary> /// 치료 클러스터러 /// </summary> public class CureClusterer : IClusterer { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 분주함 여부 /// </summary> private bool isBusy; /// <summary> /// 클러스터 카운트 /// </summary> private int clusterCount = 10; /// <summary> /// 맵 항목 컬렉션 /// </summary> private MapItemCollection mapItemCollection; /// <summary> /// 맵 데이터 어댑터 /// </summary> private IMapDataAdapter mapDataAdapter; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 분주함 여부 - IsBusy /// <summary> /// 분주함 여부 /// </summary> public bool IsBusy { get { return this.isBusy; } } #endregion #region 항목 컬렉션 - Items /// <summary> /// 항목 컬렉션 /// </summary> public MapItemCollection Items { get { return this.mapItemCollection; } } #endregion #region 클러스터 카운트 - ClusterCount /// <summary> /// 클러스터 카운트 /// </summary> public int ClusterCount { get { return this.clusterCount; } set { if(value < 1) { throw new ArgumentOutOfRangeException("The ClusterCount should be larger than 1."); } this.clusterCount = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CureClusterer() /// <summary> /// 생성자 /// </summary> public CureClusterer() { this.isBusy = false; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 클러스터 만들기 - Clusterize(sourceEnumerable, viewport, sourceChanged) /// <summary> /// 클러스터 만들기 /// </summary> /// <param name="sourceEnumerable">소스 열거 가능 목록</param> /// <param name="viewport">뷰포트</param> /// <param name="sourceChanged">소스 변경 여부</param> public void Clusterize(IEnumerable<MapItem> sourceEnumerable, MapViewport viewport, bool sourceChanged) { Thread thread = new Thread ( () => { this.isBusy = true; if(sourceChanged) { this.mapItemCollection = GetMapItemCollection(sourceEnumerable); this.mapDataAdapter.OnClustered(); } this.isBusy = false; } ); thread.Start(); } #endregion #region 소유자 설정하기 - SetOwner(mapDataAdapter) /// <summary> /// 소유자 설정하기 /// </summary> /// <param name="mapDataAdapter">맵 데이터 어댑터</param> public void SetOwner(IMapDataAdapter mapDataAdapter) { this.mapDataAdapter = mapDataAdapter; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 가장 가깝게 배열하기 - AssignClosest(cluster, sourceList) /// <summary> /// 가장 가깝게 배열하기 /// </summary> /// <param name="cluster">클러스터</param> /// <param name="sourceList">소스 리스트</param> private void AssignClosest(Cluster cluster, List<Cluster> sourceList) { if(sourceList.Count < 2) { throw new ArgumentOutOfRangeException("Clusters count should be larger than 2."); } Cluster distancableCluster = sourceList[0]; if(distancableCluster == cluster) { distancableCluster = sourceList[1]; } cluster.ClosestCluster = distancableCluster; for(int i = 0; i < sourceList.Count; ++i) { distancableCluster = sourceList[i]; if(distancableCluster == cluster) { continue; } double distance = cluster.GetDistance(distancableCluster); if(distance < cluster.DistanceToClosest) { cluster.ClosestCluster = distancableCluster; } } } #endregion #region 삽입하기 - Insert(targetList, cluster) /// <summary> /// 삽입하기 /// </summary> /// <param name="targetList">타겟 리스트</param> /// <param name="cluster">클러스터</param> private void Insert(List<Cluster> targetList, Cluster cluster) { for(int i = 0; i < targetList.Count; i++) { if(targetList[i].DistanceToClosest > cluster.DistanceToClosest) { targetList.Insert(i, cluster); return; } } targetList.Add(cluster); } #endregion #region 클러스터 리스트 배열하기 - ArrangeClusterList(sourceList) /// <summary> /// 클러스터 리스트 배열하기 /// </summary> /// <param name="sourceList">소스 리스트</param> /// <returns>클러스터 리스트</returns> private List<Cluster> ArrangeClusterList(List<Cluster> sourceList) { List<Cluster> targetList = new List<Cluster>(); for(int i = 0; i < sourceList.Count; ++i) { Cluster cluster = sourceList[i]; AssignClosest(cluster, sourceList); Insert(targetList, cluster); } return targetList; } #endregion #region 가장 가까운 클러스터 병합하기 - MergeCloserstCluster(targetList) /// <summary> /// 가장 가까운 클러스터 병합하기 /// </summary> /// <param name="targetList">타겟 리스트</param> private void MergeCloserstCluster(ref List<Cluster> targetList) { if(targetList.Count < 2) { throw new ArgumentOutOfRangeException("Clusters count should be larger than 2."); } Cluster cluster1 = targetList[0]; Cluster cluster2 = cluster1.ClosestCluster; targetList.RemoveAt(0); targetList.Remove(cluster2); Cluster newCluster = Cluster.Merge(cluster1, cluster2); targetList.Add(newCluster); targetList = ArrangeClusterList(targetList); } #endregion #region 맵 항목 컬렉션 구하기 - GetMapItemCollection(sourceEnumerable) /// <summary> /// 맵 항목 컬렉션 구하기 /// </summary> /// <param name="sourceEnumerable">소스 열거 가능 목록</param> /// <returns>맵 항목 컬렉션</returns> private MapItemCollection GetMapItemCollection(IEnumerable<MapItem> sourceEnumerable) { List<MapItem> mapItemList = new List<MapItem>(); List<Cluster> clusterList = new List<Cluster>(); foreach(MapItem mapItem in sourceEnumerable) { ISupportCoordLocation supportCoordLocation = mapItem as ISupportCoordLocation; if(supportCoordLocation != null) { clusterList.Add(Cluster.Initialize(supportCoordLocation)); } else { mapItemList.Add(mapItem); } } clusterList = ArrangeClusterList(clusterList); while(clusterList.Count > ClusterCount) { MergeCloserstCluster(ref clusterList); } MapItemCollection mapItemCollection = new MapItemCollection(mapDataAdapter); for(int i = 0; i < clusterList.Count; i++) { Cluster cluster = clusterList[i]; MapDot mapDot = new MapDot() { Location = new GeoPoint(cluster.CenterPoint.Y, cluster.CenterPoint.X), Size = 100 }; mapDot.ClusteredItems = cluster.SupportCoordLocationList.Select(item => item as MapItem).ToList(); mapDot.TitleOptions.Pattern = mapDot.ClusteredItems.Count.ToString(); mapItemCollection.Add(mapDot); } mapItemCollection.AddRange(mapItemList); return mapItemCollection; } #endregion } } |
▶ Tree.cs
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using System; namespace TestProject { /// <summary> /// 트리 /// </summary> public class Tree { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 장소명 /// </summary> private string locationName; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 위도 - Latitude /// <summary> /// 위도 /// </summary> public double Latitude { get; set; } #endregion #region 경도 - Longitude /// <summary> /// 경도 /// </summary> public double Longitude { get; set; } #endregion #region 장소명 - LocationName /// <summary> /// 장소명 /// </summary> public string LocationName { get { return this.locationName; } set { if(value == null) { throw new ArgumentNullException("LocationName"); } if(value.Equals(this.locationName)) { return; } this.locationName = value; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Tree() /// <summary> /// 생성자 /// </summary> public Tree() { this.locationName = string.Empty; } #endregion } } |
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.Globalization; using System.Xml.Linq; using DevExpress.XtraEditors; using DevExpress.XtraMap; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 빙 맵 키 /// </summary> private string bingKey = "INPUT YOUR BING KEY"; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 빙 맵 데이터 공급자를 설정한다. this.bingMapDataProvider.BingKey = this.bingKey; #endregion #region 트리 리스트를 설정한다. List<Tree> treeList = new List<Tree>(); XDocument document = XDocument.Load("DATA\\treesCl.xml"); foreach(XElement element in document.Element("RowSet").Elements("Row")) { treeList.Add ( new Tree { Latitude = Convert.ToDouble(element.Element("lat" ).Value, CultureInfo.InvariantCulture), Longitude = Convert.ToDouble(element.Element("lon" ).Value, CultureInfo.InvariantCulture), LocationName = element.Element("location").Value } ); } #endregion #region 리스트 소스 데이터 어댑터를 설정한다. this.listSourceDataAdapter.DataSource = treeList; this.listSourceDataAdapter.Clusterer = new CureClusterer(); #endregion this.vectorItemsLayer.DataLoaded += vectorItemsLayer_DataLoaded; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 벡터 항목 레이어 데이터 로드시 처리하기 - vectorItemsLayer_DataLoaded(sender, e) /// <summary> /// 벡터 항목 레이어 데이터 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void vectorItemsLayer_DataLoaded(object sender, DataLoadedEventArgs e) { this.mapControl.ZoomToFitLayerItems(); } #endregion } } |
