[InlineData(950, 15, 546.89, 1012.9)] // result is changed to 1012.9 from 1013.23
public void CalculateBarometricPressure(double measuredValue, double temperature, double altitude,
double expected)
{
Pressure result = WeatherHelper.CalculateBarometricPressure(Pressure.FromHectopascals(measuredValue),
Temperature.FromDegreesCelsius(temperature), Length.FromMeters(altitude));
Assert.Equal(expected, result.Hectopascals, 2);
}
public void CalculateBarometricPressureWithHumidity(double measuredValue, double temperature, double altitude, double relativeHumidity,
double expected)
{
var result = WeatherHelper.CalculateBarometricPressure(Pressure.FromHectopascals(measuredValue),
Temperature.FromDegreesCelsius(temperature), Length.FromMeters(altitude), Ratio.FromPercent(relativeHumidity));
Assert.Equal(expected, result.Hectopascals, 2);
}
/// <summary>
/// Calculates the barometric pressure from a raw reading, using the reduction formula from the german met service.
/// This is a more complex variant of <see cref="CalculateSeaLevelPressure"/>. It gives the value that a weather station gives
/// for a particular area and is also used in meteorological charts.
/// <example>
/// You are at 650m over sea and measure a pressure of 948.7 hPa and a temperature of 24.0°C. The met service will show that
/// you are within a high-pressure area of around 1020 hPa.
/// </example>
/// </summary>
/// <param name="measuredPressure">Measured pressure at the observation point</param>
/// <param name="measuredTemperature">Measured temperature at the observation point</param>
/// <param name="vaporPressure">Vapor pressure, meteorologic definition</param>
/// <param name="measurementAltitude">Height over sea level of the observation point (to be really precise, geopotential heights have
/// to be used above ~750m)</param>
/// <returns>The barometric pressure at the point of observation</returns>
/// <remarks>
/// From https://de.wikipedia.org/wiki/Barometrische_Höhenformel#Anwendungen
/// </remarks>
public static Pressure CalculateBarometricPressure(Pressure measuredPressure, Temperature measuredTemperature, Pressure vaporPressure,
Length measurementAltitude)
{
double x = (9.80665 / (287.05 * ((measuredTemperature.Kelvins) + 0.12 * vaporPressure.Hectopascals +
(0.0065 * measurementAltitude.Meters) / 2))) * measurementAltitude.Meters;
double barometricPressure = measuredPressure.Hectopascals * Math.Exp(x);
return(Pressure.FromHectopascals(barometricPressure));
}
internal Readings(ApiWeatherResult apiWeatherResult)
{
Weather = new List <WeatherCondition>();
foreach (var weather in apiWeatherResult.Weather)
{
Weather.Add(new WeatherCondition
{
ConditionId = weather.Id,
Main = weather.Main,
Description = weather.Description,
IconId = weather.Icon
});
}
Temperature = Temperature.FromKelvins(apiWeatherResult.Main.Temp);
FeelsLike = Temperature.FromKelvins(apiWeatherResult.Main.FeelsLike);
Pressure = Pressure.FromHectopascals(apiWeatherResult.Main.Pressure);
Humidity = RelativeHumidity.FromPercent(apiWeatherResult.Main.Humidity);
MinimumTemperature = Temperature.FromKelvins(apiWeatherResult.Main.TempMin);
MaximumTemperature = Temperature.FromKelvins(apiWeatherResult.Main.TempMax);
if (apiWeatherResult.Main.SeaLevel.HasValue)
{
SeaLevelPressure = Pressure.FromHectopascals(apiWeatherResult.Main.SeaLevel.Value);
}
if (apiWeatherResult.Main.GrndLevel.HasValue)
{
GroundLevelPressure = Pressure.FromHectopascals(apiWeatherResult.Main.GrndLevel.Value);
}
WindSpeed = Speed.FromMetersPerSecond(apiWeatherResult.Wind.Speed);
WindDirection = Angle.FromDegrees(apiWeatherResult.Wind.Deg);
if (apiWeatherResult.Wind.Gust.HasValue)
{
WindGust = Speed.FromMetersPerSecond(apiWeatherResult.Wind.Gust.Value);
}
Cloudiness = Ratio.FromPercent(apiWeatherResult.Clouds.All);
if (apiWeatherResult.Rain != null)
{
RainfallLastHour = Length.FromMillimeters(apiWeatherResult.Rain.OneHour);
RainfallLastThreeHours = Length.FromMillimeters(apiWeatherResult.Rain.ThreeHours);
}
if (apiWeatherResult.Snow != null)
{
SnowfallLastHour = Length.FromMillimeters(apiWeatherResult.Snow.OneHour);
SnowfallLastThreeHours = Length.FromMillimeters(apiWeatherResult.Snow.ThreeHours);
}
MeasuredTime = DateTimeOffset.FromUnixTimeSeconds(apiWeatherResult.Dt).UtcDateTime;
CountryCode = apiWeatherResult.Sys.Country;
Sunrise = DateTimeOffset.FromUnixTimeSeconds(apiWeatherResult.Sys.Sunrise).UtcDateTime;
Sunset = DateTimeOffset.FromUnixTimeSeconds(apiWeatherResult.Sys.Sunset).UtcDateTime;
TimeZoneOffset = TimeSpan.FromSeconds(apiWeatherResult.Timezone);
CityId = apiWeatherResult.Id;
CityName = apiWeatherResult.Name;
FetchedTime = DateTime.UtcNow;
}
/// <summary>
/// Date and time message (ZDA). This should not normally need the last time as argument, because it defines it.
/// </summary>
public MeteorologicalComposite(TalkerId talkerId, IEnumerable <string> fields, DateTimeOffset time)
: base(talkerId, Id, time)
{
IEnumerator <string> field = fields.GetEnumerator();
double?baroInchesMercury = ReadValue(field);
string referenceI = ReadString(field) ?? string.Empty;
double?baroBars = ReadValue(field);
string referenceB = ReadString(field) ?? string.Empty;
double?airTemp = ReadValue(field);
string referenceAir = ReadString(field) ?? string.Empty;
double?waterTemp = ReadValue(field);
string referenceWater = ReadString(field) ?? string.Empty;
double?relHumidity = ReadValue(field);
ReadValue(field); // Absolute humidity (ignored, since meaning unclear)
double?dewPoint = ReadValue(field);
string referenceDewPoint = ReadString(field) ?? string.Empty;
if (baroBars.HasValue && referenceB == "B")
{
BarometricPressure = Pressure.FromHectopascals(baroBars.Value * 1000);
}
else if (baroInchesMercury.HasValue && referenceI == "I")
{
BarometricPressure = Pressure.FromInchesOfMercury(baroInchesMercury.Value);
}
if (airTemp.HasValue && referenceAir == "C")
{
AirTemperature = Temperature.FromDegreesCelsius(airTemp.Value);
}
if (waterTemp.HasValue && referenceWater == "C")
{
WaterTemperature = Temperature.FromDegreesCelsius(waterTemp.Value);
}
if (relHumidity.HasValue)
{
RelativeHumidity = UnitsNet.RelativeHumidity.FromPercent(relHumidity.Value);
}
if (dewPoint.HasValue && referenceDewPoint == "C")
{
DewPoint = Temperature.FromDegreesCelsius(dewPoint.Value);
}
// Note: The remaining fields are about wind speed/direction. These are not parsed here, use MWV sentence instead
Valid = true;
}
public void ConversionRoundTrip()
{
Pressure pascal = Pressure.FromPascals(1);
AssertEx.EqualTolerance(1, Pressure.FromAtmospheres(pascal.Atmospheres).Pascals, AtmospheresTolerance);
AssertEx.EqualTolerance(1, Pressure.FromBars(pascal.Bars).Pascals, BarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromCentibars(pascal.Centibars).Pascals, CentibarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromDecapascals(pascal.Decapascals).Pascals, DecapascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromDecibars(pascal.Decibars).Pascals, DecibarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromDynesPerSquareCentimeter(pascal.DynesPerSquareCentimeter).Pascals, DynesPerSquareCentimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromFeetOfHead(pascal.FeetOfHead).Pascals, FeetOfHeadTolerance);
AssertEx.EqualTolerance(1, Pressure.FromGigapascals(pascal.Gigapascals).Pascals, GigapascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromHectopascals(pascal.Hectopascals).Pascals, HectopascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromInchesOfMercury(pascal.InchesOfMercury).Pascals, InchesOfMercuryTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilobars(pascal.Kilobars).Pascals, KilobarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilogramsForcePerSquareCentimeter(pascal.KilogramsForcePerSquareCentimeter).Pascals, KilogramsForcePerSquareCentimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilogramsForcePerSquareMeter(pascal.KilogramsForcePerSquareMeter).Pascals, KilogramsForcePerSquareMeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilogramsForcePerSquareMillimeter(pascal.KilogramsForcePerSquareMillimeter).Pascals, KilogramsForcePerSquareMillimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilonewtonsPerSquareCentimeter(pascal.KilonewtonsPerSquareCentimeter).Pascals, KilonewtonsPerSquareCentimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilonewtonsPerSquareMeter(pascal.KilonewtonsPerSquareMeter).Pascals, KilonewtonsPerSquareMeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilonewtonsPerSquareMillimeter(pascal.KilonewtonsPerSquareMillimeter).Pascals, KilonewtonsPerSquareMillimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilopascals(pascal.Kilopascals).Pascals, KilopascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilopoundsForcePerSquareFoot(pascal.KilopoundsForcePerSquareFoot).Pascals, KilopoundsForcePerSquareFootTolerance);
AssertEx.EqualTolerance(1, Pressure.FromKilopoundsForcePerSquareInch(pascal.KilopoundsForcePerSquareInch).Pascals, KilopoundsForcePerSquareInchTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMegabars(pascal.Megabars).Pascals, MegabarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMeganewtonsPerSquareMeter(pascal.MeganewtonsPerSquareMeter).Pascals, MeganewtonsPerSquareMeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMegapascals(pascal.Megapascals).Pascals, MegapascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMetersOfHead(pascal.MetersOfHead).Pascals, MetersOfHeadTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMicrobars(pascal.Microbars).Pascals, MicrobarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMicropascals(pascal.Micropascals).Pascals, MicropascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMillibars(pascal.Millibars).Pascals, MillibarsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMillimetersOfMercury(pascal.MillimetersOfMercury).Pascals, MillimetersOfMercuryTolerance);
AssertEx.EqualTolerance(1, Pressure.FromMillipascals(pascal.Millipascals).Pascals, MillipascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromNewtonsPerSquareCentimeter(pascal.NewtonsPerSquareCentimeter).Pascals, NewtonsPerSquareCentimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromNewtonsPerSquareMeter(pascal.NewtonsPerSquareMeter).Pascals, NewtonsPerSquareMeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromNewtonsPerSquareMillimeter(pascal.NewtonsPerSquareMillimeter).Pascals, NewtonsPerSquareMillimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromPascals(pascal.Pascals).Pascals, PascalsTolerance);
AssertEx.EqualTolerance(1, Pressure.FromPoundsForcePerSquareFoot(pascal.PoundsForcePerSquareFoot).Pascals, PoundsForcePerSquareFootTolerance);
AssertEx.EqualTolerance(1, Pressure.FromPoundsForcePerSquareInch(pascal.PoundsForcePerSquareInch).Pascals, PoundsForcePerSquareInchTolerance);
AssertEx.EqualTolerance(1, Pressure.FromPoundsPerInchSecondSquared(pascal.PoundsPerInchSecondSquared).Pascals, PoundsPerInchSecondSquaredTolerance);
AssertEx.EqualTolerance(1, Pressure.FromPsi(pascal.Psi).Pascals, PsiTolerance);
AssertEx.EqualTolerance(1, Pressure.FromTechnicalAtmospheres(pascal.TechnicalAtmospheres).Pascals, TechnicalAtmospheresTolerance);
AssertEx.EqualTolerance(1, Pressure.FromTonnesForcePerSquareCentimeter(pascal.TonnesForcePerSquareCentimeter).Pascals, TonnesForcePerSquareCentimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromTonnesForcePerSquareMeter(pascal.TonnesForcePerSquareMeter).Pascals, TonnesForcePerSquareMeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromTonnesForcePerSquareMillimeter(pascal.TonnesForcePerSquareMillimeter).Pascals, TonnesForcePerSquareMillimeterTolerance);
AssertEx.EqualTolerance(1, Pressure.FromTorrs(pascal.Torrs).Pascals, TorrsTolerance);
}
public void ConversionRoundTrip()
{
Pressure pascal = Pressure.FromPascals(1);
Assert.AreEqual(1, Pressure.FromAtmospheres(pascal.Atmospheres).Pascals, AtmospheresTolerance);
Assert.AreEqual(1, Pressure.FromBars(pascal.Bars).Pascals, BarsTolerance);
Assert.AreEqual(1, Pressure.FromCentibars(pascal.Centibars).Pascals, CentibarsTolerance);
Assert.AreEqual(1, Pressure.FromDecapascals(pascal.Decapascals).Pascals, DecapascalsTolerance);
Assert.AreEqual(1, Pressure.FromDecibars(pascal.Decibars).Pascals, DecibarsTolerance);
Assert.AreEqual(1, Pressure.FromGigapascals(pascal.Gigapascals).Pascals, GigapascalsTolerance);
Assert.AreEqual(1, Pressure.FromHectopascals(pascal.Hectopascals).Pascals, HectopascalsTolerance);
Assert.AreEqual(1, Pressure.FromKilobars(pascal.Kilobars).Pascals, KilobarsTolerance);
Assert.AreEqual(1, Pressure.FromKilogramsForcePerSquareCentimeter(pascal.KilogramsForcePerSquareCentimeter).Pascals, KilogramsForcePerSquareCentimeterTolerance);
Assert.AreEqual(1, Pressure.FromKilogramsForcePerSquareMeter(pascal.KilogramsForcePerSquareMeter).Pascals, KilogramsForcePerSquareMeterTolerance);
Assert.AreEqual(1, Pressure.FromKilogramsForcePerSquareMillimeter(pascal.KilogramsForcePerSquareMillimeter).Pascals, KilogramsForcePerSquareMillimeterTolerance);
Assert.AreEqual(1, Pressure.FromKilonewtonsPerSquareCentimeter(pascal.KilonewtonsPerSquareCentimeter).Pascals, KilonewtonsPerSquareCentimeterTolerance);
Assert.AreEqual(1, Pressure.FromKilonewtonsPerSquareMeter(pascal.KilonewtonsPerSquareMeter).Pascals, KilonewtonsPerSquareMeterTolerance);
Assert.AreEqual(1, Pressure.FromKilonewtonsPerSquareMillimeter(pascal.KilonewtonsPerSquareMillimeter).Pascals, KilonewtonsPerSquareMillimeterTolerance);
Assert.AreEqual(1, Pressure.FromKilopascals(pascal.Kilopascals).Pascals, KilopascalsTolerance);
Assert.AreEqual(1, Pressure.FromKilopoundsForcePerSquareFoot(pascal.KilopoundsForcePerSquareFoot).Pascals, KilopoundsForcePerSquareFootTolerance);
Assert.AreEqual(1, Pressure.FromKilopoundsForcePerSquareInch(pascal.KilopoundsForcePerSquareInch).Pascals, KilopoundsForcePerSquareInchTolerance);
Assert.AreEqual(1, Pressure.FromMegabars(pascal.Megabars).Pascals, MegabarsTolerance);
Assert.AreEqual(1, Pressure.FromMegapascals(pascal.Megapascals).Pascals, MegapascalsTolerance);
Assert.AreEqual(1, Pressure.FromMicropascals(pascal.Micropascals).Pascals, MicropascalsTolerance);
Assert.AreEqual(1, Pressure.FromMillibars(pascal.Millibars).Pascals, MillibarsTolerance);
Assert.AreEqual(1, Pressure.FromNewtonsPerSquareCentimeter(pascal.NewtonsPerSquareCentimeter).Pascals, NewtonsPerSquareCentimeterTolerance);
Assert.AreEqual(1, Pressure.FromNewtonsPerSquareMeter(pascal.NewtonsPerSquareMeter).Pascals, NewtonsPerSquareMeterTolerance);
Assert.AreEqual(1, Pressure.FromNewtonsPerSquareMillimeter(pascal.NewtonsPerSquareMillimeter).Pascals, NewtonsPerSquareMillimeterTolerance);
Assert.AreEqual(1, Pressure.FromPascals(pascal.Pascals).Pascals, PascalsTolerance);
Assert.AreEqual(1, Pressure.FromPoundsForcePerSquareFoot(pascal.PoundsForcePerSquareFoot).Pascals, PoundsForcePerSquareFootTolerance);
Assert.AreEqual(1, Pressure.FromPoundsForcePerSquareInch(pascal.PoundsForcePerSquareInch).Pascals, PoundsForcePerSquareInchTolerance);
Assert.AreEqual(1, Pressure.FromPsi(pascal.Psi).Pascals, PsiTolerance);
Assert.AreEqual(1, Pressure.FromTechnicalAtmospheres(pascal.TechnicalAtmospheres).Pascals, TechnicalAtmospheresTolerance);
Assert.AreEqual(1, Pressure.FromTonnesForcePerSquareCentimeter(pascal.TonnesForcePerSquareCentimeter).Pascals, TonnesForcePerSquareCentimeterTolerance);
Assert.AreEqual(1, Pressure.FromTonnesForcePerSquareMeter(pascal.TonnesForcePerSquareMeter).Pascals, TonnesForcePerSquareMeterTolerance);
Assert.AreEqual(1, Pressure.FromTonnesForcePerSquareMillimeter(pascal.TonnesForcePerSquareMillimeter).Pascals, TonnesForcePerSquareMillimeterTolerance);
Assert.AreEqual(1, Pressure.FromTorrs(pascal.Torrs).Pascals, TorrsTolerance);
}
public void AltitudeIsCalculatedCorrectlyAtDefaultTemp(double expected, double hpa, double seaLevelHpa)
{
Length altitude = WeatherHelper.CalculateAltitude(Pressure.FromHectopascals(hpa), Pressure.FromHectopascals(seaLevelHpa));
Assert.Equal(expected, Math.Round(altitude.Meters, 2));
}
/// <summary>
/// Calculates the actual vapor pressure.
/// </summary>
/// <param name="airTemperature">The dry air temperature</param>
/// <param name="relativeHumidity">The relative humidity (RH)</param>
/// <returns>The actual vapor pressure</returns>
public static Pressure CalculateActualVaporPressure(Temperature airTemperature, Ratio relativeHumidity)
{
return(Pressure.FromHectopascals((relativeHumidity.DecimalFractions * CalculateSaturatedVaporPressureOverWater(airTemperature).Hectopascals)));
}
/// <summary>
/// Calculates the barometric pressure from a raw reading, using the reduction formula from the german met service.
/// This is a more complex variant of <see cref="CalculateSeaLevelPressure"/>. It gives the value that a weather station gives
/// for a particular area and is also used in meteorological charts.
/// <example>
/// You are at 650m over sea and measure a pressure of 948.7 hPa and a temperature of 24.0°C. The met service will show that
/// you are within a high-pressure area of around 1020 hPa.
/// </example>
/// </summary>
/// <param name="measuredPressure">Measured pressure at the observation point</param>
/// <param name="measuredTemperature">Measured temperature at the observation point</param>
/// <param name="measurementAltitude">Height over sea level of the observation point (to be really precise, geopotential heights have
/// to be used above ~750m). Do not use the height obtained by calling <see cref="CalculateAltitude(UnitsNet.Pressure)"/>
/// or any of its overloads, since what would use redundant data.</param>
/// <returns>The barometric pressure at the point of observation</returns>
/// <remarks>
/// From https://de.wikipedia.org/wiki/Barometrische_Höhenformel#Anwendungen
/// </remarks>
public static Pressure CalculateBarometricPressure(Pressure measuredPressure, Temperature measuredTemperature,
Length measurementAltitude)
{
double vaporPressure;
if (measuredTemperature.DegreesCelsius >= 9.1)
{
vaporPressure = 18.2194 * (1.0463 - Math.Exp((-0.0666) * measuredTemperature.DegreesCelsius));
}
else
{
vaporPressure = 5.6402 * (-0.0916 + Math.Exp((-0.06) * measuredTemperature.DegreesCelsius));
}
return(CalculateBarometricPressure(measuredPressure, measuredTemperature, Pressure.FromHectopascals(vaporPressure),
measurementAltitude));
}
/// <summary>
/// Calculates the actual vapor pressure.
/// </summary>
/// <param name="airTemperature">The dry air temperature</param>
/// <param name="relativeHumidity">The relative humidity (RH) expressed as a percentage</param>
/// <returns>The actual vapor pressure</returns>
public static Pressure CalculateActualVaporPressure(Temperature airTemperature, double relativeHumidity)
{
return(Pressure.FromHectopascals((relativeHumidity * CalculateSaturatedVaporPressureOverWater(airTemperature).Hectopascals) / 100));
}
public static Pressure Hectopascals <T>(this T value) => Pressure.FromHectopascals(Convert.ToDecimal(value));
public static Pressure?Hectopascals <T>(this T?value) where T : struct => Pressure.FromHectopascals(value == null ? (double?)null : Convert.ToDouble(value.Value));
/// <summary> /// Calculates the actual vapor pressure. /// </summary> /// <param name="airTemperature">The dry air temperature</param> /// <param name="relativeHumidity">The relative humidity (RH)</param> /// <returns>The actual vapor pressure</returns> public static Pressure CalculateActualVaporPressure(Temperature airTemperature, RelativeHumidity relativeHumidity) => Pressure.FromHectopascals((relativeHumidity.Percent / 100.0 * CalculateSaturatedVaporPressureOverWater(airTemperature).Hectopascals));
public void AltitudeIsCalculatedCorrectly(double expected, double hpa, double seaLevelHpa, double celsius)
{
var altitude = WeatherHelper.CalculateAltitude(Pressure.FromHectopascals(hpa), Pressure.FromHectopascals(seaLevelHpa), Temperature.FromDegreesCelsius(celsius));
Assert.Equal(expected, Math.Round(altitude.Meters, 2));
}
public void TemperatureIsCalculatedCorrectly(double expected, double pressure, double seaLevelPressure, double altitude)
{
var temperature = WeatherHelper.CalculateTemperature(Pressure.FromHectopascals(pressure), Pressure.FromHectopascals(seaLevelPressure), Length.FromMeters(altitude));
Assert.Equal(expected, Math.Round(temperature.DegreesCelsius, 0));
}
public void PressureIsCalculatedCorrectly(double expected, double seaLevelPressure, double altitude, double celsius)
{
var pressure = WeatherHelper.CalculatePressure(Pressure.FromHectopascals(seaLevelPressure), Length.FromMeters(altitude), Temperature.FromDegreesCelsius(celsius));
Assert.Equal(expected, Math.Round(pressure.Hectopascals, 2));
}
public void NumberToHectopascalsTest() => Assert.Equal(Pressure.FromHectopascals(2), 2.Hectopascals());
public void AltitudeIsCalculatedCorrectlyAtMslpAndDefaultTemp(double expected, double hpa)
{
var altitude = WeatherHelper.CalculateAltitude(Pressure.FromHectopascals(hpa));
Assert.Equal(expected, Math.Round(altitude.Meters, 2));
}