private DateTimeOffset?GetMeasurementTime(XmlRootSummaryStation station, string lastStationId)
{
//station.Start_T is "-" at the first and last station. It should be safe to assume
//that first has the start measurement time and last has the end time.
var timeText = station.Start_T?.Trim();
if (string.IsNullOrEmpty(timeText) || timeText == "-")
{
if (station.id == "1")
{
return(_measurementInterval.Start);
}
if (station.id == lastStationId)
{
return(_measurementInterval.End);
}
throw new ArgumentException($"'{station.Start_T}' is not a valid start time for station ID={station.id}");
}
if (!DateTime.TryParse(timeText, CultureInfo.InvariantCulture, DateTimeStyles.NoCurrentDateDefault, out var dateTime) || dateTime.Date != DateTime.MinValue)
{
throw new ArgumentException($"'{station.Start_T}' is not a valid start time for station ID={station.id}");
}
return(new DateTimeOffset(_measurementInterval.Start.Date, _measurementInterval.Start.Offset)
.Add(dateTime.TimeOfDay));
}
private Segment GetSegment(XmlRootSummaryStation station)
{
return(new Segment
{
Area = station.Area.AsDouble(),
Discharge = station.Stn_Q.AsDouble(),
Velocity = station.Avg_V.AsDouble(),
Width = station.Width.AsDouble(),
TotalDischargePortion = station.Percent_Tot.AsDouble()
});
}
private VelocityDepthObservation GetVelocityDepthObservation(XmlRootSummaryStation station)
{
//TODO: some fields are not applicable. eg. RevolutionCount.
return(new VelocityDepthObservation
{
Depth = station.ADCP_Depth.AsDouble(),
ObservationInterval = station.Meas_T.AsDouble(),
RevolutionCount = 0,
Velocity = station.Avg_V.AsDouble()
});
}
private VelocityObservation GetVelocityObservation(XmlRootSummaryStation station)
{
var observation = GetVelocityDepthObservation(station);
return(new VelocityObservation
{
MeterCalibration = _meterCalibration,
DeploymentMethod = DeploymentMethodType.StationaryBoat,
//TODO: This is required, but OneAtPointFive is not correct for ADCP measurement.
VelocityObservationMethod = PointVelocityObservationType.OneAtPointFive,
MeanVelocity = station.Avg_V.AsDouble(),
Observations = { observation }
});
}
private Vertical Map(XmlRootSummaryStation station, string lastStationId)
{
return(new Vertical
{
Segment = GetSegment(station),
MeasurementConditionData = CreateMeasurementCondition(station),
TaglinePosition = station.Dist.AsDouble(),
SequenceNumber = int.Parse(station.id),
MeasurementTime = GetMeasurementTime(station, lastStationId),
VerticalType = VerticalType.MidRiver, //TODO: is this correct?
SoundedDepth = station.Depth.AsDouble(),
EffectiveDepth = station.Depth.AsDouble() - station.WS_Btm_Of_Slush.AsDouble(),
VelocityObservation = GetVelocityObservation(station),
FlowDirection = FlowDirectionType.Normal,
Comments = AddUnMappedFieldsToVerticalComments(station)
});
}
private MeasurementConditionData CreateMeasurementCondition(XmlRootSummaryStation station)
{
var isIce = station.WS_Btm_Of_Ice != 0 ||
station.WS_Btm_Of_Slush != 0 ||
station.Solid_Ice_Thickness != 0;
if (isIce)
{
return new IceCoveredData
{
IceThickness = station.Solid_Ice_Thickness.AsDouble(),
WaterSurfaceToBottomOfIce = station.WS_Btm_Of_Ice.AsDouble(),
WaterSurfaceToBottomOfSlush = station.WS_Btm_Of_Slush.AsDouble()
}
}
;
return(new OpenWaterData());
}
private string AddUnMappedFieldsToVerticalComments(XmlRootSummaryStation station)
{
return($"Dir.: {station.Dir_V}; " +
$"Coeff. of Var.: {station.CV};" +
$" Angle Corr. Coeff.: {station.Ang_Cf}");
}
