KdTreeVisualizer.java
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/******************************************************************************
* Compilation: javac KdTreeVisualizer.java
* Execution: java KdTreeVisualizer
* Dependencies: KdTree.java
*
* Add the points that the user clicks in the standard draw window
* to a kd-tree and draw the resulting kd-tree.
*
******************************************************************************/
import edu.princeton.cs.algs4.Point2D;
import edu.princeton.cs.algs4.RectHV;
import edu.princeton.cs.algs4.StdDraw;
import edu.princeton.cs.algs4.StdOut;
public class KdTreeVisualizer {
public static void main(String[] args) {
RectHV rect = new RectHV(0.0, 0.0, 1.0, 1.0);
StdDraw.enableDoubleBuffering();
KdTree kdtree = new KdTree();
while (true) {
if (StdDraw.mousePressed()) {
double x = StdDraw.mouseX();
double y = StdDraw.mouseY();
StdOut.printf("%8.6f %8.6f\n", x, y);
Point2D p = new Point2D(x, y);
if (rect.contains(p)) {
StdOut.printf("%8.6f %8.6f\n", x, y);
kdtree.insert(p);
StdDraw.clear();
kdtree.draw();
StdDraw.show();
}
}
StdDraw.pause(50);
}
}
}