/**
* Compares with the specified object. See class javadoc for a description of the sorting order.
*/
public int compareTo(final Object other) {
final ComparableAxisWrapper that = (ComparableAxisWrapper) other;
final AxisDirection d1 = this.axis.getDirection();
final AxisDirection d2 = that.axis.getDirection();
final int compass = DefaultCoordinateSystemAxis.getCompassAngle(d2, d1);
if (compass != Integer.MIN_VALUE) {
return compass;
}
if (isCompassDirection(d1)) {
assert !isCompassDirection(d2) : d2;
return -1;
}
if (isCompassDirection(d2)) {
assert !isCompassDirection(d1) : d1;
return +1;
}
if (meridian != null) {
if (that.meridian != null) {
return meridian.compareTo(that.meridian);
}
return -1;
} else if (that.meridian != null) {
return +1;
}
return 0;
}
/** Returns {@code true} if the specified direction is a compass direction. */
private static boolean isCompassDirection(final AxisDirection direction) {
int compass = DefaultCoordinateSystemAxis.getCompassAngle(direction, AxisDirection.NORTH);
return compass != Integer.MIN_VALUE;
}
