Example usage for org.jfree.chart.axis LogAxis createLogTickUnits

Introduction

In this page you can find the example usage for org.jfree.chart.axis LogAxis createLogTickUnits.

Prototype

public static TickUnitSource createLogTickUnits(Locale locale) 

Source Link

Document

Returns a collection of tick units for log (base 10) values.

Usage

From source file:umberto.WeightedClusterCoefficient.ChartUtils.java

public static void scaleLogChart(JFreeChart chart, XYSeries dSeries, boolean normalized) {
    XYPlot plot = (XYPlot) chart.getPlot();
    final LogAxis logyAxis = new LogAxis(plot.getRangeAxis().getLabel());
    final LogAxis logxAxis = new LogAxis(plot.getDomainAxis().getLabel());
    //Set y axis format.
    //        DecimalFormat formaty = (DecimalFormat) DecimalFormat.getNumberInstance(Locale.ENGLISH);
    //        formaty.applyPattern("#0.0000");

    //set y axis//from w  w w .  j  a  va2s .c o m
    logyAxis.setBase(10);
    //        logyAxis.setNumberFormatOverride(formaty);
    logyAxis.setStandardTickUnits(LogAxis.createLogTickUnits(Locale.ENGLISH));
    //        logyAxis.setRange(0.01, 1.0);
    logyAxis.setAutoRange(true);
    plot.setRangeAxis(logyAxis);
    //set x axis
    logxAxis.setBase(10);
    logxAxis.setStandardTickUnits(LogAxis.createLogTickUnits(Locale.ENGLISH));
    logxAxis.setAutoRange(true);
    //logxAxis.setRange(0.00001, 1.0);//Se la voglio zoommare
    plot.setDomainAxis(logxAxis);
}

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From source file:edu.fullerton.viewerplugin.SpectrumPlot.java

private ChartPanel getPanel(ArrayList<ChanDataBuffer> dbufs, boolean compact) throws WebUtilException {
    ChartPanel ret = null;/*from   ww  w.j a  va 2s. co m*/
    try {
        float tfsMax = 0;
        for (ChanDataBuffer buf : dbufs) {
            ChanInfo ci = buf.getChanInfo();
            float fs = ci.getRate();
            tfsMax = Math.max(fs, tfsMax);
        }
        setFsMax(tfsMax);
        String gtitle = getTitle(dbufs, compact);
        int nbuf = dbufs.size();
        XYSeries[] xys = new XYSeries[nbuf];
        XYSeriesCollection mtds = new XYSeriesCollection();

        int cnum = 0;
        compact = dbufs.size() > 2 ? false : compact;
        float bw = 1.f;
        for (ChanDataBuffer dbuf : dbufs) {
            String legend = getLegend(dbuf, compact);

            xys[cnum] = new XYSeries(legend);

            bw = calcSpectrum(xys[cnum], dbuf);

            mtds.addSeries(xys[cnum]);
        }

        DefaultXYDataset ds = new DefaultXYDataset();
        String yLabel = pwrScale.toString();
        DecimalFormat dform = new DecimalFormat("0.0###");
        String xLabel;
        xLabel = String.format("Frequency Hz - (bw: %1$s, #fft: %2$,d, s/fft: %3$.2f, ov: %4$.2f)",
                dform.format(bw), nfft, secperfft, overlap);

        Double minx, miny, maxx, maxy;
        Double[] rng = new Double[4];
        if (fmin <= 0) {
            fmin = bw;
        }
        float searchFmax = fmax;
        if (fmax <= 0 || fmax == Float.MAX_VALUE) {
            fmax = tfsMax / 2;
            searchFmax = tfsMax / 2 * 0.8f;
        }
        PluginSupport.getRangeLimits(mtds, rng, 2, fmin, searchFmax);
        minx = rng[0];
        miny = rng[1];
        maxx = rng[2];
        maxy = rng[3];

        findSmallest(mtds);
        int exp;
        if (maxy == 0. && miny == 0.) {
            miny = -1.;
            exp = 0;
            logYaxis = false;
        } else {
            miny = miny > 0 ? miny : smallestY;
            maxy = maxy > 0 ? maxy : miny * 10;
            exp = PluginSupport.scaleRange(mtds, miny, maxy);
            if (!logYaxis) {
                yLabel += " x 1e-" + Integer.toString(exp);
            }
        }
        JFreeChart chart = ChartFactory.createXYLineChart(gtitle, xLabel, yLabel, ds, PlotOrientation.VERTICAL,
                true, false, false);
        XYPlot plot = (XYPlot) chart.getPlot();
        if (logYaxis) {
            LogAxis rangeAxis = new LogAxis(yLabel);
            double smallest = miny * Math.pow(10, exp);
            rangeAxis.setSmallestValue(smallest);
            rangeAxis.setMinorTickCount(9);

            LogAxisNumberFormat lanf = new LogAxisNumberFormat();
            lanf.setExp(exp);

            rangeAxis.setNumberFormatOverride(lanf);
            rangeAxis.setRange(smallest, maxy * Math.pow(10, exp));
            rangeAxis.setStandardTickUnits(LogAxis.createLogTickUnits(Locale.US));
            plot.setRangeAxis(rangeAxis);
            plot.setRangeGridlinesVisible(true);
            plot.setRangeGridlinePaint(Color.BLACK);
        }
        if (logXaxis) {
            LogAxis domainAxis = new LogAxis(xLabel);
            domainAxis.setBase(2);
            domainAxis.setMinorTickCount(9);
            domainAxis.setMinorTickMarksVisible(true);
            domainAxis.setSmallestValue(smallestX);
            domainAxis.setNumberFormatOverride(new LogAxisNumberFormat());
            //domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
            plot.setDomainAxis(domainAxis);
            plot.setDomainGridlinesVisible(true);
            plot.setDomainGridlinePaint(Color.BLACK);
        }
        ValueAxis domainAxis = plot.getDomainAxis();
        if (fmin > Float.MIN_VALUE) {
            domainAxis.setLowerBound(fmin);
        }
        if (fmax != Float.MAX_VALUE) {
            domainAxis.setUpperBound(fmax);
        }
        plot.setDomainAxis(domainAxis);
        plot.setDataset(0, mtds);
        plot.setDomainGridlinePaint(Color.DARK_GRAY);
        plot.setRangeGridlinePaint(Color.DARK_GRAY);

        // Set the line thickness
        XYLineAndShapeRenderer r = (XYLineAndShapeRenderer) plot.getRenderer();
        BasicStroke str = new BasicStroke(lineThickness);
        int n = plot.getSeriesCount();
        for (int i = 0; i < n; i++) {
            r.setSeriesStroke(i, str);
        }
        plot.setBackgroundPaint(Color.WHITE);
        if (compact) {
            chart.removeLegend();
        }
        ret = new ChartPanel(chart);
    } catch (Exception ex) {
        throw new WebUtilException("Creating spectrum plot" + ex.getLocalizedMessage());
    }
    return ret;

}

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