public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof StackedXYAreaRenderer2)) {
            return false;
        }
        StackedXYAreaRenderer2 that = (StackedXYAreaRenderer2) obj;
        if (this.roundXCoordinates != that.roundXCoordinates) {
            return false;
        }
        return super.equals(obj);