Examples with LinearAxis dr.app.gui.chart.LinearAxis used on opensource projects

Example 1 with LinearAxis

use of dr.app.gui.chart.LinearAxis in project beast-mcmc by beast-dev.

the class DensityEstimate method calculateFrequencies.

protected FrequencyDistribution calculateFrequencies(Variate data, int minimumBinCount) {
    double min = (Double) data.getMin();
    double max = (Double) data.getMax();
    if (min == max) {
        if (min == 0) {
            min = -1.0;
        } else {
            min -= Math.abs(min / 10.0);
        }
        if (max == 0) {
            max = 1.0;
        } else {
            max += Math.abs(max / 10.0);
        }
    }
    Axis axis = new LinearAxis(Axis.AT_MAJOR_TICK, Axis.AT_MAJOR_TICK);
    axis.setRange(min, max);
    int majorTickCount = axis.getMajorTickCount();
    axis.setPrefNumTicks(majorTickCount, 4);
    double binSize = axis.getMinorTickSpacing();
    int binCount = (int) ((axis.getMaxAxis() - axis.getMinAxis()) / binSize) + 2;
    if (minimumBinCount > 0) {
        while (binCount < minimumBinCount) {
            majorTickCount++;
            axis.setPrefNumTicks(majorTickCount, 4);
            binSize = axis.getMinorTickSpacing();
            // should +2, otherwise the last bar will lose
            binCount = (int) ((axis.getMaxAxis() - axis.getMinAxis()) / binSize) + 2;
        }
    }
    FrequencyDistribution frequency = new FrequencyDistribution(axis.getMinAxis(), binCount, binSize);
    for (int i = 0; i < data.getCount(); i++) {
        frequency.addValue((Double) data.get(i));
    }
    return frequency;
}