*/
@Override
protected String formatTo(final Formatter formatter) {
super.formatTo(formatter);
final Convention convention = formatter.getConvention();
final boolean isWKT1 = convention.majorVersion() == 1;
double length = semiMajorAxis;
if (isWKT1) {
length = unit.getConverterTo(SI.METRE).convert(length);
}
formatter.append(length);