protected override string BuildStringSTEP()
{
return (mDatabase.mRelease != ReleaseVersion.IFC2x3 ? "" : base.BuildStringSTEP() + "," + ParserSTEP.DoubleOptionalToString(mPhysicalWeight) + "," + ParserSTEP.DoubleOptionalToString(mPerimeter) + "," + ParserSTEP.DoubleOptionalToString(mMinimumPlateThickness) + "," + ParserSTEP.DoubleOptionalToString(mMaximumPlateThickness) + "," + ParserSTEP.DoubleOptionalToString(mCrossSectionArea));
}