private List <TimeStampedValue> GetUserValues(List <Reading> items)
{
var userValues = new List <TimeStampedValue>(items.Count);
switch (State.UserGraphAttribute)
{
case PersistentState.UserCalculatedAttribute.DewPoint: {
var tempConverter = ReadingValuesConverterCache <Reading> .TemperatureCache
.Get(TemperatureUnit, TemperatureUnit.Celsius);
foreach (var curItem in items)
{
var temperature = curItem.Temperature;
if (Double.IsNaN(temperature))
{
continue;
}
temperature = tempConverter.Convert(temperature);
userValues.Add(new TimeStampedValue(
curItem.TimeStamp,
DewPointCalculator.DewPoint(temperature, curItem.Humidity)
));
}
return(userValues);
}
case PersistentState.UserCalculatedAttribute.AirDensity: {
var airDensityCalc = new AirDensityCalculator(HeightAboveSeaLevel);
var tempConverter = ReadingValuesConverterCache <Reading> .TemperatureCache
.Get(TemperatureUnit, TemperatureUnit.Celsius);
var pressConverter = ReadingValuesConverterCache <Reading> .PressCache
.Get(PressureUnit, PressureUnit.Pascals);
foreach (var curItem in items)
{
var temperature = curItem.Temperature;
if (Double.IsNaN(temperature))
{
continue;
}
temperature = tempConverter.Convert(temperature);
var pressure = curItem.Pressure;
pressure = Double.IsNaN(pressure)
? airDensityCalc.EstimatedPressure
: pressConverter.Convert(pressure);
userValues.Add(new TimeStampedValue(
curItem.TimeStamp,
AirDensityCalculator.AirDensity(temperature, curItem.Humidity, pressure)
));
}
return(userValues);
}
}
return(userValues);
}
public void SampleTest1()
{
Assert.AreEqual(0.1157, AirDensityCalculator.AirDensity(17, .5, 10000), 0.01);
}
