protected override string BuildStringSTEP()
{
return base.BuildStringSTEP() + "," + ParserSTEP.LinkToString(mDirectrix) + "," + ParserSTEP.DoubleOptionalToString(mStartParam) + "," + ParserSTEP.DoubleOptionalToString(mEndParam) + "," + ParserSTEP.LinkToString(mFixedReference);
}