cluster.cs

Cluster validation program

using System;

namespace ClusterLibrary
{
	/// <summary>
	/// Summary description for Cluster.
	/// </summary>
	public class Cluster :System.Collections.ArrayList 
	{
		// 努矾胶磐 ID甫 钎矫窍绰 Index
		public int index;

		/// <summary>
		/// 货肺款 Cluster甫 积己茄促
		/// </summary>
		/// <param name="index"> 割 锅掳 Cluster牢瘤 钎矫窍绰 Index </param>
		public Cluster(int index)
		{
			this.index = index;
		}

		public Cluster() {
		}

		/// <summary>
		/// Cluster狼 Center甫 馆券茄促 (公霸 吝缴)
		/// </summary>
		/// <returns></returns>
		public Point Center()
		{
			Point center = new Point();

			if (this.Count == 0 ){
				System.Console.WriteLine("Cluster狼 糕滚啊 绝嚼聪促.");
				return center;
			}

			for ( int i = 0; i < this.Count ; i ++ ){
				center = (Point)this[i] + center;
			}

			return ( center / this.Count );
		}

		/// <summary>
		/// Cluster狼 Center阑 备窃 for J#
		/// </summary>
		/// <returns></returns>
		public Point weight_center(){
			return this.Center();
		}

		/// <summary>
		/// Cluster狼 农扁甫 Return 窍绰 窃荐 for J#
		/// Number of Points
		/// </summary>
		/// <returns></returns>
		public int size(){
			return this.Count;
		}

		/// <summary>
		/// Cluster俊 甸绢乐绰 Point甫 波晨
		/// </summary>
		/// <param name="index"></param>
		/// <returns></returns>
		public Point GetPoint( int index ){
			if ( index >= this.Count )
				throw new Exception ( "Index out of range." );
			return (ClusterLibrary.Point)this[index];
		}

		/// <summary>
		/// Cluster俊 甸绢乐绰 Point甫 波晨 for J#
		/// </summary>
		/// <param name="index"></param>
		/// <returns></returns>
		public Point getValueAt( int index ){
			return this.GetPoint(index);
		}

		public bool IsEmpty(){
			return ( this.size() == 0 );
		}

		public void addValue( Point pt ){
			this.Add(pt);
		}

	}
}