数据坐标点类

数据坐标点类

Author: linyiqun

Others/DataMining_KDTree/Point.java

@@ -0,0 +1,58 @@
+package DataMining_KDTree;
+
+/**
+ * 坐标点类
+ * 
+ * @author lyq
+ * 
+ */
+public class Point{
+	// 坐标点横坐标
+	Double x;
+	// 坐标点纵坐标
+	Double y;
+
+	public Point(double x, double y){
+		this.x = x;
+		this.y = y;
+	}
+	
+	public Point(String x, String y) {
+		this.x = (Double.parseDouble(x));
+		this.y = (Double.parseDouble(y));
+	}
+
+	/**
+	 * 计算当前点与制定点之间的欧式距离
+	 * 
+	 * @param p
+	 *            待计算聚类的p点
+	 * @return
+	 */
+	public double ouDistance(Point p) {
+		double distance = 0;
+
+		distance = (this.x - p.x) * (this.x - p.x) + (this.y - p.y)
+				* (this.y - p.y);
+		distance = Math.sqrt(distance);
+
+		return distance;
+	}
+
+	/**
+	 * 判断2个坐标点是否为用个坐标点
+	 * 
+	 * @param p
+	 *            待比较坐标点
+	 * @return
+	 */
+	public boolean isTheSame(Point p) {
+		boolean isSamed = false;
+
+		if (this.x == p.x && this.y == p.y) {
+			isSamed = true;
+		}
+
+		return isSamed;
+	}
+}