Module: Evapotranspiration::Conversion

Defined in:

lib/evapotranspiration/conversion.rb

Class Method Summary

• .celsius_to_kelvin(celsius) ⇒ Float

  Convert temperature in degrees Celsius to degrees Kelvin.

• .deg_to_rad(degrees) ⇒ Float

  Convert angular degrees to radians.

• .kelvin_to_celsius(kelvin) ⇒ Float

  Convert temperature in degrees Kelvin to degrees Celsius.

• .kph_to_mps(kph) ⇒ Float

  Convert km/hr to m/s.

• .rad_to_deg(radians) ⇒ Float

  Convert radians to angular degrees.

Class Method Details

.celsius_to_kelvin(celsius) ⇒ Float

Convert temperature in degrees Celsius to degrees Kelvin

Parameters:

• celsius (Float) —

  Degrees Celsius

Returns:

• (Float) —

  Degrees Kelvin

# File 'lib/evapotranspiration/conversion.rb', line 8

def self.celsius_to_kelvin(celsius)
  celsius.to_f + 273.15
end

.deg_to_rad(degrees) ⇒ Float

Convert angular degrees to radians

Parameters:

• degrees (Float) —

  Value in degrees to be converted

Returns:

• (Float) —

  Value in radians

# File 'lib/evapotranspiration/conversion.rb', line 24

def self.deg_to_rad(degrees)
  degrees.to_f * (Math::PI / 180.0)
end

.kelvin_to_celsius(kelvin) ⇒ Float

Convert temperature in degrees Kelvin to degrees Celsius

Parameters:

• kelvin (Float) —

  Degrees Kelvin

Returns:

• (Float) —

  Degrees Celsius

# File 'lib/evapotranspiration/conversion.rb', line 16

def self.kelvin_to_celsius(kelvin)
  kelvin.to_f - 273.15
end

.kph_to_mps(kph) ⇒ Float

Convert km/hr to m/s

Parameters:

• kph (Float) —

  Kilometers per hour

Returns:

• (Float) —

  Meters per second

# File 'lib/evapotranspiration/conversion.rb', line 40

def self.kph_to_mps(kph)
  (kph.to_f * 1000) / 3600
end

.rad_to_deg(radians) ⇒ Float

Convert radians to angular degrees

Parameters:

• radians (Float) —

  Value in radians to be converted

Returns:

• (Float) —

  Value in angular degrees

# File 'lib/evapotranspiration/conversion.rb', line 32

def self.rad_to_deg(radians)
  radians.to_f * (180.0 / Math::PI)
end