pointSeq.Append( gp_XYZ( aPoints[i], aPoints[i+1], aPoints[i+2] ) );
TopoDS_Shape aWire = HYDROData_PolylineXY::BuildWire( HYDROData_IPolyline::SECTION_SPLINE, false, pointSeq );
if ( !aWire.IsNull() )
pointSeq.Append( gp_XYZ( aPoints[i], aPoints[i+1], aPoints[i+2] ) );
TopoDS_Shape aWire = HYDROData_PolylineXY::BuildWire( HYDROData_IPolyline::SECTION_SPLINE, false, pointSeq );
if ( !aWire.IsNull() )