data and displayPosition matching

LogarithmicAxis.java

@Override
public Number getValueForDisplay(double displayPosition) {
	double delta = logUpperBound.get() - logLowerBound.get();
	if (getSide().isVertical()) {
		return Math.pow(10, (((displayPosition - getHeight()) / -getHeight()) * delta) + logLowerBound.get());
	} else {
		return Math.pow(10, (((displayPosition / getWidth()) * delta) + logLowerBound.get()));
	}
}

@Override
public double getDisplayPosition(Number value) {
	double delta = logUpperBound.get() - logLowerBound.get();
	double deltaV = Math.log10(value.doubleValue()) - logLowerBound.get();
	if (getSide().isVertical()) {
		return (1. - ((deltaV) / delta)) * getHeight();
	} else {
		return ((deltaV) / delta) * getWidth();
	}
}

@Override
protected Object autoRange(double minValue, double maxValue, double length, double labelSize) {
	Double[] range = new Double[] { minValue, maxValue };
	return range;
}