ColorBar colorBar,
ContourDataset data,
CrosshairState crosshairState) {
// setup for collecting optional entity info...
RectangularShape entityArea = null;
EntityCollection entities = null;
if (info != null) {
entities = info.getOwner().getEntityCollection();
}
// Rectangle2D.Double rect = null;
// rect = new Rectangle2D.Double();
RectangularShape rect = new Ellipse2D.Double();
//turn off anti-aliasing when filling rectangles
Object antiAlias = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
);
// if (tooltips!=null) tooltips.clearToolTips(); // reset collection
// get the data points
Number[] xNumber = data.getXValues();
Number[] yNumber = data.getYValues();
Number[] zNumber = data.getZValues();
double[] x = new double[xNumber.length];
double[] y = new double[yNumber.length];
for (int i = 0; i < x.length; i++) {
x[i] = xNumber[i].doubleValue();
y[i] = yNumber[i].doubleValue();
}
double transX = 0.0;
double transDX = 0.0;
double transY = 0.0;
double transDY = 0.0;
double size = dataArea.getWidth() * this.ptSizePct;
for (int k = 0; k < x.length; k++) {
transX = domainAxis.valueToJava2D(
x[k], dataArea, RectangleEdge.BOTTOM
) - 0.5 * size;
transY = rangeAxis.valueToJava2D(y[k], dataArea, RectangleEdge.LEFT)
- 0.5 * size;
transDX = size;
transDY = size;
rect.setFrame(transX, transY, transDX, transDY);
if (zNumber[k] != null) {
g2.setPaint(colorBar.getPaint(zNumber[k].doubleValue()));
g2.fill(rect);
}