MeteoMath (MeteoInfoLib 1.9 API)

java.lang.Object
- org.meteoinfo.math.meteo.MeteoMath

```
public class MeteoMath
extends Object
```
作者:

yaqiang

构造器概要

构造器
构造器说明

MeteoMath()

构造器
构造器	说明
`MeteoMath()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法	说明
`static double`	`cal_E(double es, double rh)`	Calculate actual vapor pressure (E) of the air
`static double`	`cal_Es(double tc)`	Calculate saturation vapor pressure
`static double`	`cal_Es_1(double tc)`	Calculate saturation vapor pressure (Es)
`static double`	`cal_Es_2(double tc)`	Calculate saturation vapor pressure (Es)
`static double`	`cal_Tdc(double e)`	Calculate dewpoint from actual water vapor pressure
`static double`	`cal_Tdc(double t, double rh)`	Calculate dewpoint from temperature and relative humidity
`static double`	`cal_Tdc_1(double e)`	Calculate dewpoint temperature
`static double`	`cal_Tdc_1(double tc, double rh)`	Calculate dewpoint temperature
`static Array`	`calSeaPrs(Array z, Array t, Array p, Array q)`	Estimate sea level pressure
`static double`	`dewpoint2rh(double tc, double tdc)`	Calculate relative humidity from dewpoint
`static Array`	`dewpoint2rh(Array tdc, Array tc)`	Calculate relative humidity from dewpoint
`static double[]`	`ds2uv(double windDir, double windSpeed)`	Get wind U/V components from wind direction and speed
`static Array[]`	`ds2uv(Array windDir, Array windSpeed)`	Get wind U/V components from wind direction and speed
`static double`	`height2Press(double height)`	Calculate pressure frmo height
`static Array`	`height2Press(Array height)`	Calculate pressure from height
`static double`	`press2Height(double press)`	Calculate height from pressure
`static Array`	`press2Height(Array press)`	Calculate height from pressure
`static double`	`qair2rh(double qair, double tc, double press)`	Calculate relative humidity from specific humidity
`static Array`	`qair2rh(Array qair, Array temp, double press)`	Calculate relative humidity from specific humidity
`static Array`	`qair2rh(Array qair, Array temp, Array press)`	Calculate relative humidity
`static double`	`rh2dewpoint(double rh, double t)`	Calculate dewpoint from relative humidity and temperature
`static Array`	`rh2dewpoint(Array rh, Array tc)`	Calculate dewpoint from relative humidity and temperature
`static double`	`tc2tf(double tc)`	Calculate fahrenheit temperature from celsius temperature
`static Array`	`tc2tf(Array tc)`	Calculate fahrenheit temperature from celsius temperature
`static double`	`tf2tc(double tf)`	Calculate celsius temperature from fahrenheit temperature
`static Array`	`tf2tc(Array tf)`	Calculate celsius temperature from fahrenheit temperature
`static double[]`	`uv2ds(double u, double v)`	Get wind direction and wind speed from U/V
`static Array[]`	`uv2ds(Array u, Array v)`	Get wind direction and wind speed from U/V

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - MeteoMath
```
public MeteoMath()
```
- 方法详细资料
  - cal_Es
```
public static double cal_Es(double tc)
```
    Calculate saturation vapor pressure
    
    参数:
    
    tc - Air temperature
    
    返回:
    
    Saturation vapor pressure
  - cal_Es_1
```
public static double cal_Es_1(double tc)
```
    Calculate saturation vapor pressure (Es)
    
    参数:
    
    tc - Air temperature
    
    返回:
    
    Saturation vapor pressure
  - cal_Es_2
```
public static double cal_Es_2(double tc)
```
    Calculate saturation vapor pressure (Es)
    
    参数:
    
    tc - Air temperature - degree C
    
    返回:
    
    Saturation vapor pressure
  - cal_Tdc
```
public static double cal_Tdc(double e)
```
    Calculate dewpoint from actual water vapor pressure
    
    参数:
    
    e - Actural water vapor pressure
    
    返回:
    
    Dewpoint
  - cal_Tdc
```
public static double cal_Tdc(double t,
                             double rh)
```
    Calculate dewpoint from temperature and relative humidity
    
    参数:
    
    t - Temperature
    
    rh - Relative humidity
    
    返回:
    
    Dewpoint
  - dewpoint2rh
```
public static double dewpoint2rh(double tc,
                                 double tdc)
```
    Calculate relative humidity from dewpoint
    
    参数:
    
    tc - Temperature
    
    tdc - Dewpoint temperature
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - dewpoint2rh
```
public static Array dewpoint2rh(Array tdc,
                                Array tc)
```
    Calculate relative humidity from dewpoint
    
    参数:
    
    tdc - Dewpoint temperature
    
    tc - Temperature
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - rh2dewpoint
```
public static double rh2dewpoint(double rh,
                                 double t)
```
    Calculate dewpoint from relative humidity and temperature
    
    参数:
    
    rh - Relative humidity
    
    t - Temperature
    
    返回:
    
    Dewpoint
  - rh2dewpoint
```
public static Array rh2dewpoint(Array rh,
                                Array tc)
```
    Calculate dewpoint from relative humidity and temperature
    
    参数:
    
    rh - Dewpoint temperature
    
    tc - Temperature
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - qair2rh
```
public static double qair2rh(double qair,
                             double tc,
                             double press)
```
    Calculate relative humidity from specific humidity
    
    参数:
    
    qair - Specific humidity, dimensionless (e.g. kg/kg) ratio of water mass / total air mass
    
    tc - Temperature - degree c
    
    press - Pressure - hPa (mb)
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - cal_Tdc_1
```
public static double cal_Tdc_1(double e)
```
    Calculate dewpoint temperature
    
    参数:
    
    e - Actual vapor pressure
    
    返回:
    
    Dewpoint temperature (celsius)
  - cal_Tdc_1
```
public static double cal_Tdc_1(double tc,
                               double rh)
```
    Calculate dewpoint temperature
    
    参数:
    
    tc - Air temperature
    
    rh - Relative humidity
    
    返回:
    
    Dewpoint temperature (celsius)
  - tf2tc
```
public static double tf2tc(double tf)
```
    Calculate celsius temperature from fahrenheit temperature
    
    参数:
    
    tf - Fahrenheit temperature
    
    返回:
    
    Celsius temperature
  - tc2tf
```
public static double tc2tf(double tc)
```
    Calculate fahrenheit temperature from celsius temperature
    
    参数:
    
    tc - Celsius temperature
    
    返回:
    
    Fahrenheit temperature
  - cal_E
```
public static double cal_E(double es,
                           double rh)
```
    Calculate actual vapor pressure (E) of the air
    
    参数:
    
    es - Saturation vapor pressure
    
    rh - Relative humidity
    
    返回:
    
    Actual vapor pressure
  - press2Height
```
public static double press2Height(double press)
```
    Calculate height from pressure
    
    参数:
    
    press - Pressure - hPa
    
    返回:
    
    Height - meter
  - height2Press
```
public static double height2Press(double height)
```
    Calculate pressure frmo height
    
    参数:
    
    height - Height - meter
    
    返回:
    
    Pressure - hPa
  - calSeaPrs
```
public static Array calSeaPrs(Array z,
                              Array t,
                              Array p,
                              Array q)
```
    Estimate sea level pressure
    
    参数:
    
    z - Height (m)
    
    t - Temperature array (K)
    
    p - Pressure array (Pa)
    
    q - Mixing ratio (kg/kg)
    
    返回:
    
    Sea level pressure (Pa)
  - tc2tf
```
public static Array tc2tf(Array tc)
```
    Calculate fahrenheit temperature from celsius temperature
    
    参数:
    
    tc - Celsius temperature
    
    返回:
    
    Fahrenheit temperature
  - tf2tc
```
public static Array tf2tc(Array tf)
```
    Calculate celsius temperature from fahrenheit temperature
    
    参数:
    
    tf - Fahrenheit temperature
    
    返回:
    
    Celsius temperature
  - qair2rh
```
public static Array qair2rh(Array qair,
                            Array temp,
                            double press)
```
    Calculate relative humidity from specific humidity
    
    参数:
    
    qair - Specific humidity, dimensionless (e.g. kg/kg) ratio of water mass / total air mass
    
    temp - Temperature - degree c
    
    press - Pressure - hPa (mb)
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - qair2rh
```
public static Array qair2rh(Array qair,
                            Array temp,
                            Array press)
```
    Calculate relative humidity
    
    参数:
    
    qair - Specific humidity, dimensionless (e.g. kg/kg) ratio of water mass / total air mass
    
    temp - Temperature - degree c
    
    press - Pressure - hPa (mb)
    
    返回:
    
    Relative humidity as percent (i.e. 80%)
  - press2Height
```
public static Array press2Height(Array press)
```
    Calculate height from pressure
    
    参数:
    
    press - Pressure - hPa
    
    返回:
    
    Height - m
  - height2Press
```
public static Array height2Press(Array height)
```
    Calculate pressure from height
    
    参数:
    
    height - Height - m
    
    返回:
    
    Pressure - hPa
  - uv2ds
```
public static Array[] uv2ds(Array u,
                            Array v)
```
    Get wind direction and wind speed from U/V
    
    参数:
    
    u - U component
    
    v - V component
    
    返回:
    
    Wind direction and wind speed
  - uv2ds
```
public static double[] uv2ds(double u,
                             double v)
```
    Get wind direction and wind speed from U/V
    
    参数:
    
    u - U component
    
    v - V component
    
    返回:
    
    Wind direction and wind speed
  - ds2uv
```
public static Array[] ds2uv(Array windDir,
                            Array windSpeed)
```
    Get wind U/V components from wind direction and speed
    
    参数:
    
    windDir - Wind direction
    
    windSpeed - Wind speed
    
    返回:
    
    Wind U/V components
  - ds2uv
```
public static double[] ds2uv(double windDir,
                             double windSpeed)
```
    Get wind U/V components from wind direction and speed
    
    参数:
    
    windDir - Wind direction
    
    windSpeed - Wind speed
    
    返回:
    
    Wind U/V components

类 MeteoMath

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

MeteoMath

方法详细资料

cal_Es

cal_Es_1

cal_Es_2

cal_Tdc

cal_Tdc

dewpoint2rh

dewpoint2rh

rh2dewpoint

rh2dewpoint

qair2rh

cal_Tdc_1

cal_Tdc_1

tf2tc

tc2tf

cal_E

press2Height

height2Press

calSeaPrs

tc2tf

tf2tc

qair2rh

qair2rh

press2Height

height2Press

uv2ds

uv2ds

ds2uv

ds2uv