Class: TokFile::Eqdsk

Inherits:
Object
  • Object
show all
Defined in:
lib/tokfile/eqdsk.rb

Constant Summary collapse

DATANAMES =

attr_accessor :rboxlen, :zboxlen, :r0exp, :rboxlft

[
  :rboxlen, :zboxlen, :r0exp, :rboxlft, :dummy,
  :raxis, :zaxis, :psiaxis, :dummy, :b0exp,
  :current, :dummy, :dummy, :dummy, :dummy,
  :dummy, :dummy, :dummy, :dummy, :dummy,
  :t, 
  :pr, 
  :ttprime, 
  :pprime, 
  :psi, 
  :q, 
  :nbound, :nlimiter, 
  :bound,
  #:limiter
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ Eqdsk

Returns a new instance of Eqdsk.



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# File 'lib/tokfile/eqdsk.rb', line 39

def initialize(file)

  iline = 0
  counter = 0

  #filehandle = File.open(file, 'r')

  lines = File.read(file).split("\n")
  #@datastarts = DATANAMES.inject({}){|h, name| h[name] = nil; h}

  #line1 = filehandle.gets
  #@nrbox, @nzbox  = filehandle.gets.split(/\s+/).slice(-2..-1).map{|s| eval(s)}
  @nrbox, @nzbox  = lines[0].split(/\s+/).slice(-2..-1).map{|s| eval(s)}
  #@rboxlen, @zboxlen, @r0exp, @rboxlft, dummy = read(filehandle.gets)
  #@raxis, @zaxis, @psiaxis, dummy, @b0exp = read(filehandle.gets)
  #@current, dummy, dummy, dummy, dummy = read(filehandle.gets)
  #dummy, dummy, dummy, dummy, dummy = read(filehandle.gets)
  array = []
  i = 1
  vb2 = TokFile.verbosity > 1
  
  if vb2
    eputs
    eputs "Reading data from eqdsk file #{file}."
    eputs
  end
  total_size = 0
  DATANAMES.each do |name|
    sz = size(name)
    total_size += sz
    #ep ['name', name, 'size', sz]
    if vb2
      Terminal.erewind(1)
      eputs "#{name}(#{sz})#{Terminal::CLEAR_LINE}" if vb2
    end
    if array.size < sz
      #array += read(filehandle.gets)
      #array += read(lines[i])
      #i+=1
      array += read(lines.slice(i...(i+=(sz.to_f/5.0).ceil)).join(' '))
      #array += lines.slice(i...(i+=(sz.to_f/5.0).ceil)).join(' ')

      #filehandle.gets.scanf("%e"){|scan| array.push scan[0]}
    end
    if array.size == sz
      data = array
      array = []
    else
      data = []
      while data.size < sz
        data.push array.shift
      end
    end
    self.class.attr_accessor name
    case name
    when :psi
      set(name, GSL::Matrix.alloc(*data.pieces(@nzbox)).transpose)
    when :bound
      data = data.pieces(@nbound).transpose
      set(:rbound, data[0].to_gslv)
      set(:zbound, data[1].to_gslv)
    when :limiter
      data = data.pieces(@nlimiter).transpose
      set(:rlimiter, data[0].to_gslv)
      set(:zlimiter, data[1].to_gslv)
    else
      case sz
      when 1
        set(name, data[0])
      else
        set(name, data.to_gslv)
      end
    end
  end
  @r = GSL::Vector.linspace(@rboxlft, @rboxlft+@rboxlen, @nrbox)
  @z = GSL::Vector.linspace(-@zboxlen/2.0, @zboxlen/2.0, @nzbox)

  if vb2
    Terminal.erewind(1)
    eputs  "Read total data size of #{total_size.to_f * 8.0/1.0e6} MB"
  end

  if TokFile.verbosity > 0
  eputs "--------------------------------------\n              Tokfile\n--------------------------------------\nSuccessfully read an eqdsk file called\n\#{file}\nwith the following parameters:\n\nnrbox = \#@nrbox\nnzbox = \#@nzbox\nnbound = \#@nbound\nraxis = \#@raxis\n--------------------------------------\n"

  end







  #@lines = File.read(file).split("\n").map{|str| str.sub(/\A\s+/, '').sub(/\s+\Z/, '')}
  #@nrbox, @nzbox  = @lines[0].split(/\s+/).slice(-2..-1).map{|s| eval(s)}
  #in_data = true; i = 1
  #@atoms = []
  #@lines_columns = []
  #while in_data
    #@lines_columns[i] = @lines[i].split(/\s+|(?<=\d)[+-]/).map{|s| eval(s)}
    #@atoms += @lines_columns[i]
    #if @nbound = @atoms[start(:nbound)] 
      #if @atoms.size > start(:limiter) 
        #in_data = false
      #end
    #end
    #i+=1
  #end

  #[:t, :p, :pprime, :ttprime, :psi, :q, :rzbound].each do |var|
    #attr_accessor var
    #st = start(var)
    #set(var, @atoms.slice(st...(st+@nrbox))).to_gslv
  #end


  #@rboxlen, @zboxlen, @r0exp, @rboxlft, dummy = @lines_columns[1]
  #ep ['lines_columns', @lines_columns[1], @lines[1]]
  

end

Instance Attribute Details

#nrbox ⇒ Object

Returns the value of attribute nrbox.



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# File 'lib/tokfile/eqdsk.rb', line 3

def nrbox
  @nrbox
end

#nzbox ⇒ Object

Returns the value of attribute nzbox.



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# File 'lib/tokfile/eqdsk.rb', line 3

def nzbox
  @nzbox
end

#rbound ⇒ Object

:limiter



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# File 'lib/tokfile/eqdsk.rb', line 20

def rbound
  @rbound
end

#rlimiter ⇒ Object

:limiter



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# File 'lib/tokfile/eqdsk.rb', line 20

def rlimiter
  @rlimiter
end

#zbound ⇒ Object

:limiter



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# File 'lib/tokfile/eqdsk.rb', line 20

def zbound
  @zbound
end

#zlimiter ⇒ Object

:limiter



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# File 'lib/tokfile/eqdsk.rb', line 20

def zlimiter
  @zlimiter
end

Instance Method Details

#read(line) ⇒ Object 



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# File 'lib/tokfile/eqdsk.rb', line 23

def read(line)
    #@lines_columns[i] = @lines[i].split(/\s+|(?<=\d)[+-]/).map{|s| eval(s)}
  line.sub(/\A\s+/, '').sub(/\s+\Z/, '').split(/\s+|(?<=\d)(?=[+-])/).map{|s| eval(s)}
  #line.scan(/.{15}/).map{|s| eval(s)}
  
  #ep ['line', line]
  #arr = []
  #res = line.scanf("%16.9E"){|n| arr.push n}
  #line.scanf("%E"){|n| arr.push n[0]}
  #ep ['res', res, arr]
  #ep ['res', arr]
  #arr

end

#size(var) ⇒ Object 



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# File 'lib/tokfile/eqdsk.rb', line 195

def size(var)
  case var
  #when :nbound, :nlimiter
   #1
  when :bound
   @nbound * 2
  when :limiter
    @nlimiter * 2
  when :psi
   @nrbox * @nzbox
  when :t, :pr, :pprime, :ttprime, :q 
   @nrbox
  else
    1
  end
end

#summary_graphkit ⇒ Object 



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# File 'lib/tokfile/eqdsk.rb', line 173

def summary_graphkit
  psivec = GSL::Vector.linspace(@psi.min, 0.0, @nrbox)
  multkit = GraphKit::MultiWindow.new([:pr, :pprime, :t, :ttprime, :q].map{|name|
    kit = GraphKit.quick_create([psivec, send(name)])
    kit.title = name.to_s
    kit.ylabel = nil
    kit.xlabel = 'psi'
    kit
  })
  psikit = GraphKit.quick_create([@r, @z, @psi])
  psikit.data[0].gp.with = 'pm3d'
  psikit.gp.view = "map"
  boundkit = GraphKit.quick_create([@rbound, @zbound, @rbound.collect{0.0}])
  psikit += boundkit
  psikit.gp.key = "off"
  psikit.title = 'psi'
  psikit.xlabel = 'R'
  psikit.ylabel = 'Z'
  multkit.push psikit
  multkit.gp.multiplot = "layout 2,3"
  multkit
end