@Override
public void paint(Graphics2D g2d, Rectangle rect) {
super.paint(g2d, rect);
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, options.getAlpha()));
for (int i = 0; i < vars.length; i++) {
Var v = vars[i];
if (v.rowCount() == 0) {
continue;
}
double[] p = new double[] {0.25, 0.5, 0.75};
double[] q = Quantiles.from(v, p).values();
double iqr = q[2] - q[0];
double innerFence = 1.5 * iqr;
double outerFence = 3 * iqr;
double x1 = i + 0.5 - 0.3;
double x2 = i + 0.5;
double x3 = i + 0.5 + 0.3;
// first we fill the space
g2d.setColor(options.getColor(i));
g2d.fill(
new Rectangle2D.Double(
xScale(x1), yScale(q[2]), xScale(x3) - xScale(x1), yScale(q[0]) - yScale(q[2])));
g2d.setColor(ColorPalette.STANDARD.getColor(0));
// median
g2d.setStroke(new BasicStroke(options.getLwd() * 2));
g2d.draw(new Line2D.Double(xScale(x1), yScale(q[1]), xScale(x3), yScale(q[1])));
// box
g2d.setStroke(new BasicStroke(options.getLwd()));
g2d.draw(new Line2D.Double(xScale(x1), yScale(q[0]), xScale(x3), yScale(q[0])));
g2d.draw(new Line2D.Double(xScale(x1), yScale(q[2]), xScale(x3), yScale(q[2])));
g2d.draw(new Line2D.Double(xScale(x1), yScale(q[0]), xScale(x1), yScale(q[2])));
g2d.draw(new Line2D.Double(xScale(x3), yScale(q[0]), xScale(x3), yScale(q[2])));
// outliers
double upperwhisker = q[2];
double lowerqhisker = q[0];
for (int j = 0; j < v.rowCount(); j++) {
double point = v.value(j);
if ((point > q[2] + outerFence) || (point < q[0] - outerFence)) {
// big outlier
g2d.setStroke(new BasicStroke(options.getLwd()));
PchPalette.STANDARD.draw(
g2d, xScale(x2), yScale(point), options.getSz(i), options.getPch(1));
continue;
}
if ((point > q[2] + innerFence) || (point < q[0] - innerFence)) {
// outlier
g2d.setStroke(new BasicStroke(options.getLwd()));
PchPalette.STANDARD.draw(
g2d, xScale(x2), yScale(point), options.getSz(i), options.getPch(0));
continue;
}
if ((point > upperwhisker) && (point < q[2] + innerFence)) {
upperwhisker = Math.max(upperwhisker, point);
}
if ((point < lowerqhisker) && (point >= q[0] - innerFence)) {
lowerqhisker = Math.min(lowerqhisker, point);
}
}
// whiskers
g2d.draw(
new Line2D.Double(xScale(x1), yScale(upperwhisker), xScale(x3), yScale(upperwhisker)));
g2d.draw(
new Line2D.Double(xScale(x1), yScale(lowerqhisker), xScale(x3), yScale(lowerqhisker)));
g2d.setStroke(
new BasicStroke(
options.getLwd(),
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
1f,
new float[] {8},
0));
g2d.draw(new Line2D.Double(xScale(x2), yScale(q[2]), xScale(x2), yScale(upperwhisker)));
g2d.draw(new Line2D.Double(xScale(x2), yScale(q[0]), xScale(x2), yScale(lowerqhisker)));
}
}
public double f(double x) {
return Math.sin(x);
}