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package date.iterator.count.pic;

import java.awt.RenderingHints;
import java.util.List;

import date.iterator.count.isodata.Cluster;
import date.iterator.count.isodata.ISOData;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.FastScatterPlot;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class PicTest extends ApplicationFrame {

    /** A constant for the number of items in the sample dataset. */
    private static final int COUNT = 500;

    /** The data. */
    private float[][] data = new float[2][COUNT];

    private void populateData(int length) {
        /*int expectK = 15;  // 预期的聚类中心数目；
        int totalLoopI = 10000; // 迭代运算的次数。
        double theta_S = 1; //θS 一个类中样本距离分布的标准差阈值。类内最大标准差分量应小于 θs
        double theta_c = 3; //θc 两个聚类中心间的最小距离，若小于此数，两个聚类需进行合并；

        int initK = 5;
        ISOData isoData = new ISOData(expectK, totalLoopI, theta_S, theta_c);
        List clusters = isoData.calculate(initK, isoData.testPoints());*/

        for (int i = 0; i < length; i++) {
            final float x = (float) i;
            this.data[0][i%COUNT] = x;
            this.data[1][i%COUNT] = (float) Math.random() * COUNT;
        }
    }

    /**
     * Creates a new fast scatter plot demo.
     *
     * @param title  the frame title.
     */
    public PicTest(final String title) {
        super(title);
        populateData(1000);
        final NumberAxis domainAxis = new NumberAxis("X");
        domainAxis.setAutoRangeIncludesZero(false);
        final NumberAxis rangeAxis = new NumberAxis("Y");
        rangeAxis.setAutoRangeIncludesZero(false);
        final FastScatterPlot plot = new FastScatterPlot(this.data, domainAxis, rangeAxis);
        populateData(5000);
        plot.setData(this.data);
        final JFreeChart chart = new JFreeChart("Fast Scatter Plot", plot);
//        chart.setLegend(null);

        // force aliasing of the rendered content..
        chart.getRenderingHints().put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

        final ChartPanel panel = new ChartPanel(chart, true);
        panel.setPreferredSize(new java.awt.Dimension(500, 270));
        //      panel.setHorizontalZoom(true);
        //    panel.setVerticalZoom(true);
        panel.setMinimumDrawHeight(10);
        panel.setMaximumDrawHeight(2000);
        panel.setMinimumDrawWidth(20);
        panel.setMaximumDrawWidth(2000);

        setContentPane(panel);
    }


    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(final String[] args) {

        final PicTest demo = new PicTest("Fast Scatter Plot Demo");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }

}