Class: Atmospheric::Export::Iso25331975::GroupThreeAttrs

Inherits:
Lutaml::Model::Serializable
  • Object
show all
Includes:
AltitudeConvertableModel
Defined in:
lib/atmospheric/export/iso_25331975/group_three_attrs.rb

Instance Method Summary collapse

Methods included from AltitudeConvertableModel

included, #realize_altitudes, #set_altitude, #set_geometric_altitude, #set_geopotential_altitude

Methods included from Utils

#ft_to_m, #m_to_ft, #round_to_sig_figs, #values_in_m_ft

Instance Method Details

#calculate(gp_h_m, name, precision: :reduced) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_three_attrs.rb', line 54

def calculate(gp_h_m, name, precision: :reduced)
  isa = precision == :high ? Isa::HighPrecision.instance : Isa::NormalPrecision.instance

  case name
  when :pressure_scale_height
    v = isa.pressure_scale_height_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? v.round(1) : v,
      unitsml: "m"
    )
  when :specific_weight
    v = isa.specific_weight_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? round_to_sig_figs(v, 5) : v,
      unitsml: "N*m^-3"
    )
  when :air_number_density
    v = isa.air_number_density_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? round_to_sig_figs(v, 5) : v,
      unitsml: "m^-3"
    )
  when :mean_speed
    v = isa.mean_air_particle_speed_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? v.round(2) : v,
      unitsml: "m*s^-1"
    )
  when :frequency
    v = isa.air_particle_collision_frequency_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? round_to_sig_figs(v, 5) : v,
      unitsml: "s^-1"
    )
  when :mean_free_path
    v = isa.mean_free_path_of_air_particles_from_geopotential(gp_h_m)
    UnitValueFloat.new(
      value: precision == :reduced ? round_to_sig_figs(v, 5) : v,
      unitsml: "m"
    )
  else
    raise ArgumentError, "Unknown attribute: #{name}"
  end
end

#realize_values_from_geopotential(gp_h_m, precision: :reduced) ⇒ Object

In meters only



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# File 'lib/atmospheric/export/iso_25331975/group_three_attrs.rb', line 28

def realize_values_from_geopotential(gp_h_m, precision: :reduced)
  self.pressure_scale_heights = [
    calculate(gp_h_m, :pressure_scale_height, precision: precision)
  ]

  self.specific_weights = [
    calculate(gp_h_m, :specific_weight, precision: precision)
  ]

  self.air_number_densities = [
    calculate(gp_h_m, :air_number_density, precision: precision)
  ]

  self.mean_speeds = [
    calculate(gp_h_m, :mean_speed, precision: precision)
  ]

  self.frequencies = [
    calculate(gp_h_m, :frequency, precision: precision)
  ]

  self.mean_free_paths = [
    calculate(gp_h_m, :mean_free_path, precision: precision)
  ]
end