Example usage for org.jfree.data.xy XYZDataset XYZDataset

Introduction

In this page you can find the example usage for org.jfree.data.xy XYZDataset XYZDataset.

Prototype

XYZDataset

Source Link

Usage

From source file:org.jfree.chart.demo.XYBlockChartDemo1.java

private static XYZDataset createDataset() {
    return new XYZDataset() {

        public int getSeriesCount() {
            return 1;
        }/* ww  w.  j a  v a 2  s  .  c om*/

        public int getItemCount(int i) {
            return 10000;
        }

        public Number getX(int i, int j) {
            return new Double(getXValue(i, j));
        }

        public double getXValue(int i, int j) {
            return (double) (j / 100 - 50);
        }

        public Number getY(int i, int j) {
            return new Double(getYValue(i, j));
        }

        public double getYValue(int i, int j) {
            return (double) (j - (j / 100) * 100 - 50);
        }

        public Number getZ(int i, int j) {
            return new Double(getZValue(i, j));
        }

        public double getZValue(int i, int j) {
            double d = getXValue(i, j);
            double d1 = getYValue(i, j);
            return Math.sin(Math.sqrt(d * d + d1 * d1) / 5D);
        }

        public void addChangeListener(DatasetChangeListener datasetchangelistener) {
        }

        public void removeChangeListener(DatasetChangeListener datasetchangelistener) {
        }

        public DatasetGroup getGroup() {
            return null;
        }

        public void setGroup(DatasetGroup datasetgroup) {
        }

        @SuppressWarnings("rawtypes")
        public Comparable getSeriesKey(int i) {
            return "sin(sqrt(x + y))";
        }

        @SuppressWarnings("rawtypes")
        public int indexOf(Comparable comparable) {
            return 0;
        }

        public DomainOrder getDomainOrder() {
            return DomainOrder.ASCENDING;
        }

    };
}

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