public float getUpper(IndexedZone z) { if (z.getEndIndex() >= numZones) { throw new IllegalArgumentException("Zone is out of bounds."); } return z.getEndIndex() * zoneSize + lower; }
public float getWidth(IndexedZone z) { return (z.getEndIndex() - z.getStartIndex() + 1) * zoneSize; }
public float getLower(IndexedZone z) { return z.getStartIndex() * zoneSize + lower; }