protected void selectVerticalAutoTickUnit(
Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
double tickLabelHeight = estimateMaximumTickLabelHeight(g2);
TickUnitSource tickUnits = getStandardTickUnits();
TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());
double unitHeight = lengthToJava2D(unit1.getSize(), dataArea, edge);
double guess = unit1.getSize();
if (unitHeight > 0.0d) {
guess = (tickLabelHeight / unitHeight) * unit1.getSize();
}
NumberTickUnit unit2 = (NumberTickUnit) tickUnits.getCeilingTickUnit(guess);
if (estimateMaximumTickLabelHeight(g2) > lengthToJava2D(unit2.getSize(), dataArea, edge)) {
unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);
}
setTickUnit(unit2, DEFAULT_VERTICAL_TICK_LABELS, DEFAULT_VERTICAL_TICK_LABELS);
}
protected void selectHorizontalAutoTickUnit(
Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {
double tickLabelWidth = estimateMaximumTickLabelWidth(g2, getTickUnit());
TickUnitSource tickUnits = getStandardTickUnits();
TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());
NumberTickUnit unit2 =
(NumberTickUnit)
tickUnits.getCeilingTickUnit(
(tickLabelWidth / lengthToJava2D(unit1.getSize(), dataArea, edge))
* unit1.getSize());
if (estimateMaximumTickLabelWidth(g2, unit2)
> lengthToJava2D(unit2.getSize(), dataArea, edge)) {
unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);
}
setTickUnit(unit2, DEFAULT_VERTICAL_TICK_LABELS, DEFAULT_VERTICAL_TICK_LABELS);
}
