Example usage for org.jfree.data.contour ContourDataset getXValues

Introduction

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

Prototype

public Number[] getXValues();

Source Link

Document

Returns the array of Numbers representing the x data values.

Usage

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

/**
 * Creates a ContourPlot chart.// ww w  .  j av a  2  s  .  c o m
 *
 * @return the ContourPlot chart.
 */
private JFreeChart createContourPlot() {

    final String title = "Contour Plot";
    final String xAxisLabel = "X Values";
    final String yAxisLabel = "Y Values";
    final String zAxisLabel = "Color Values";

    if (xIsDate) {
        this.xAxis = new DateAxis(xAxisLabel);
        xIsLog = false; // force axis to be linear when displaying dates
    } else {
        if (xIsLog) {
            this.xAxis = new LogarithmicAxis(xAxisLabel);
        } else {
            this.xAxis = new NumberAxis(xAxisLabel);
        }
    }

    if (yIsLog) {
        this.yAxis = new LogarithmicAxis(yAxisLabel);
    } else {
        this.yAxis = new NumberAxis(yAxisLabel);
    }

    if (zIsLog) {
        this.zColorBar = new ColorBar(zAxisLabel);
    } else {
        this.zColorBar = new ColorBar(zAxisLabel);
    }

    if (this.xAxis instanceof NumberAxis) {
        ((NumberAxis) this.xAxis).setAutoRangeIncludesZero(false);
        ((NumberAxis) this.xAxis).setInverted(xIsInverted);
    }

    this.yAxis.setAutoRangeIncludesZero(false);

    this.yAxis.setInverted(yIsInverted);

    if (!xIsDate) {
        ((NumberAxis) this.xAxis).setLowerMargin(0.0);
        ((NumberAxis) this.xAxis).setUpperMargin(0.0);
    }

    this.yAxis.setLowerMargin(0.0);
    this.yAxis.setUpperMargin(0.0);

    if (!xIsDate) {
        this.xAxis.setRange(10.5, 15.0);
    }
    this.yAxis.setRange(3.5, 7.0);

    this.zColorBar.getAxis().setInverted(zIsInverted);
    this.zColorBar.getAxis().setTickMarksVisible(true);

    final ContourDataset data = createDataset();

    final ContourPlot plot = new ContourPlot(data, this.xAxis, this.yAxis, this.zColorBar);

    if (xIsDate) {
        ratio = Math.abs(ratio); // don't use plot units for ratios when x axis is date
    }

    if (asPoints) {
        plot.setRenderAsPoints(true);
    }
    plot.setDataAreaRatio(ratio);

    if (annotate) {
        if (asPoints) {
            final Number[] xValues = data.getXValues();
            final Number[] yValues = data.getYValues();
            //Number[] zValues = data.getZValues();

            final Font font = new Font("SansSerif", Font.PLAIN, 20);

            for (int i = 0; i < xValues.length; i++) {
                final XYTextAnnotation xyAnn = new XYTextAnnotation(Integer.toString(i),
                        xValues[i].doubleValue(), yValues[i].doubleValue());
                xyAnn.setFont(font);
                plot.addAnnotation(xyAnn);
            }
        } else {
            final Font font = new Font("SansSerif", Font.PLAIN, 20);

            for (int i = 0; i < this.tmpDoubleX.length; i++) {
                final XYTextAnnotation xyAnn = new XYTextAnnotation(Integer.toString(i), this.tmpDoubleX[i],
                        this.tmpDoubleY[i]);
                xyAnn.setFont(font);
                plot.addAnnotation(xyAnn);
            }
        }

    }

    if (fillOutline || drawOutline) {
        initShoreline();
        plot.setClipPath(new ClipPath(this.xOutline, this.yOutline, true, fillOutline, drawOutline));
    }

    final JFreeChart chart = new JFreeChart(title, null, plot, false);

    // then customise it a little...
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.green));

    return chart;

}

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