/** Compute the ticks, sub-ticks data and the sub-ticks density. */
private void computeTicksData() {
if (graduations != null) {
ticksValue = graduations.getAllValues();
final int N = rulerModel.getSubticksNumber();
if (N < 0) {
Graduations subGraduation = graduations.getSubGraduations();
while ((subGraduation != null)
&& (computeTicksDistance(subGraduation) < rulerModel.getMinimalSubTicksDistance())) {
subGraduation = subGraduation.getAlternative();
}
if (subGraduation != null) {
subTicksValue = subGraduation.getAllValues();
} else {
subTicksValue = new LinkedList<Double>();
}
} else {
subTicksValue = graduations.getSubGraduations(N);
}
density = getDensity();
} else {
subTicksValue = new LinkedList<Double>();
ticksValue = new LinkedList<Double>();
density = 0;
}
}
