Example usage for org.jfree.data.contour DefaultContourDataset DefaultContourDataset

Introduction

In this page you can find the example usage for org.jfree.data.contour DefaultContourDataset DefaultContourDataset.

Prototype

public DefaultContourDataset(Comparable seriesKey, Object[] xData, Object[] yData, Object[] zData) 

Source Link

Document

Constructs a new dataset with the given data.

Usage

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

/**
 * Creates a ContourDataset./*ww  w . j  ava 2  s  . c  o  m*/
 *
 * @return ContourDataset.
 */
private ContourDataset createDataset() {

    final int numValues = numX * numY;
    final Date[] tmpDateX = new Date[numValues];
    final double[] tmpDoubleX = new double[numValues];
    final double[] tmpDoubleY = new double[numValues];

    final Double[] oDoubleX = new Double[numValues];
    final Double[] oDoubleY = new Double[numValues];
    final Double[] oDoubleZ = new Double[numValues];

    int j = 0;
    int z = 0;
    int i = 0;
    int last = 0;
    double zmult = 1.0;
    for (int k = 0; k < numValues; k++) {
        i = k / numX;
        if (last != i) {
            last = i;
            z = 0;
            zmult = 1.005 * zmult;
        }
        tmpDateX[k] = new Date((long) ((i + 100) * 1.e8));
        tmpDoubleX[k] = i + 2;
        tmpDoubleY[k] = zmult * (z++);
        oDoubleX[k] = new Double(tmpDoubleX[k]);
        oDoubleY[k] = new Double(tmpDoubleY[k]);
        final double rad = Math.random();
        if (makeHoles && (rad > 0.4 && rad < 0.6)) {
            oDoubleZ[k] = null;
        } else {
            //                tmpDoubleZ[k] = 3.0 * ((tmpDoubleX[k] + 1) * (tmpDoubleY[k] + 1) + 100);
            oDoubleZ[k] = new Double(3.0 * ((tmpDoubleX[k] + 1) * (tmpDoubleY[k] + 1) + 100));
        }
        j++;
    }
    ContourDataset data = null;

    if (xIsDate) {
        data = new DefaultContourDataset("Contouring", tmpDateX, oDoubleY, oDoubleZ);
    } else {
        data = new DefaultContourDataset("Contouring", oDoubleX, oDoubleY, oDoubleZ);
    }
    return data;

}

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From source file:org.jfree.chart.demo.ContourPlotDemo2.java

/**
 * Creates a ContourDataset.//  ww w.j a va  2  s .  c  om
 *
 * @return ContourDataset.
 */
private ContourDataset createDataset() {
    initData();

    final Double[] oDoubleX = (Double[]) DefaultContourDataset.formObjectArray(this.tmpDoubleX);
    final Double[] oDoubleY = (Double[]) DefaultContourDataset.formObjectArray(this.tmpDoubleY);
    final Double[] oDoubleZ = (Double[]) DefaultContourDataset.formObjectArray(this.tmpDoubleZ);

    final Date[] tmpDateX = new Date[this.tmpDoubleX.length];
    for (int i = 0; i < this.tmpDoubleX.length; i++) {
        tmpDateX[i] = new Date((long) (1000.0 * this.tmpDoubleX[i]));
    }

    ContourDataset data = null;

    if (xIsDate) {
        if (asPoints) {
            data = new DefaultContourDataset("Contouring", tmpDateX, oDoubleY, oDoubleZ);
        } else {
            data = new NonGridContourDataset("Contouring", tmpDateX, oDoubleY, oDoubleZ);
        }
    } else if (!asPoints) {
        data = new NonGridContourDataset("Contouring", oDoubleX, oDoubleY, oDoubleZ, numX, numY, power);
    } else {
        data = new DefaultContourDataset("Contouring", oDoubleX, oDoubleY, oDoubleZ);
    }
    return data;

}

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