Class: Atmospheric::Export::Iso25331975::GroupBase

Inherits:
Object
  • Object
show all
Includes:
Target
Defined in:
lib/atmospheric/export/iso_25331975/group_base.rb

Direct Known Subclasses

GroupOne, GroupThree, GroupTwo

Instance Method Summary collapse

Methods included from Target

#ft_to_m, #m_to_ft, #round_to_sig_figs, #to_file, #to_yaml

Instance Method Details

#height_hash(hgmm, hgmf, hgpm, hgpf) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 25

def height_hash(hgmm, hgmf, hgpm, hgpf)
  {
    "geopotential-altitude-m"  => hgmm.round,
    "geopotential-altitude-ft" => hgmf.round,
    "geometrical-altitude-m"   => hgpm.round,
    "geometrical-altitude-ft"  => hgpf.round,
  }
end

#row_big_h(h, unit: :meters) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 9

def row_big_h(h, unit: :meters)
  hgpm, hgpf = values_in_m_ft(h, unit: unit)
  hgmm = Isa.geometric_altitude_from_geopotential(hgpm)
  hgmf = m_to_ft(hgmm).round
  height_hash(hgmm, hgmf, hgpm, hgpf)
    .merge(self.row_from_geopotential(hgpm))
end

#row_small_h(h, unit: :meters) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 17

def row_small_h(h, unit: :meters)
  hgmm, hgmf = values_in_m_ft(h, unit: unit)
  hgpm = Isa.geopotential_altitude_from_geometric(hgmm)
  hgpf = m_to_ft(hgpm).round
  height_hash(hgmm, hgmf, hgpm, hgpf)
    .merge(self.row_from_geopotential(hgpm))
end

#steps ⇒ Object

Step 50 from -2k to 40k, step 100 above 32k, 200 above 51k to 80k



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 44

def steps
  (
    (-2000..31999).step(50) +
    (32000..50999).step(100) +
    (51000..80000).step(200)
  )
end

#steps_unit ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 52

def steps_unit
  :meters
end

#to_h(unit: steps_unit) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 56

def to_h(unit: steps_unit)
  d = {
    "by-geometrical-altitude" => [],
    "by-geopotential-altitude" => []
  }

  steps.each do |h|
    d["by-geometrical-altitude"] << row_small_h(h, unit: unit)
    d["by-geopotential-altitude"] << row_big_h(h, unit: unit)
  end
  d
end

#values_in_m_ft(value, unit: :meters) ⇒ Object 



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# File 'lib/atmospheric/export/iso_25331975/group_base.rb', line 34

def values_in_m_ft(value, unit: :meters)
  case unit
  when :meters
    [value.to_f, m_to_ft(value)]
  when :feet
    [ft_to_m(value), value.to_f]
  end
end