Class: Analysis

Inherits:
ActiveRecord::NoRdbBase show all
Defined in:
app/models/analysis.rb

Constant Summary collapse

ACTION_TYPE = 
%w( draw analysis )
DRAW_PROJECTION = 
{1 => "rectangular uniform coordinate",
 2 => "semi-logarithmic coordinate (y axis)",
 3 => "semi-logarithmic coordinate (x axis)",
 4 => "logarithmic coordinate",
 5 => "polar coordinate",
 6 => "bipolar coordinate",
#                     7 => "elliptic coordinate",
 10 => "equidistant cylindrical projection",
 11 => "Mercator's projection",
 12 => "Mollweide's projection",
 13 => "Hammer's projection",
 14 => "Eckert VI projection",
 15 => "Kitada's elliptic projection",
 20 => "equidistant conical projection",
 21 => "Lambert's equal-area conical projection",
 22 => "Lambert's conformal conical projection",
 23 => "Bonne's projection",
 30 => "orthographic projection",
 31 => "polar stereo projection",
 32 => "azimuthal equidistant projection",
 33 => "Lambert's azimuthal equal-area projection"
}
DRAW_SIZE = 
[[700,700], [550,550], [400,400], [250,250]]
@@minmaxs = 
{
  "action_type" => [0, ACTION_TYPE.length-1],
  "draw_size" => [0, DRAW_SIZE.length-1]
}

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ActiveRecord::NoRdbBase

columns, connection, push_column

Class Method Details

.from_vizshot(viz) ⇒ Object 



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# File 'app/models/analysis.rb', line 465

def self.from_vizshot(viz)
  if viz && (par = parse_vizshot(viz))
    vars, params = par
    analysis = Analysis.new
    vars.each{|var|
      analysis.variables.push var
    }
    analysis.action_type = ACTION_TYPE.index("draw")
    params.each{|name,val|
      analysis.send(name+"=", val)
    }
    return analysis
  else
    return nil
  end
end

.uri_params_from_vizshot(viz) ⇒ Object 



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# File 'app/models/analysis.rb', line 483

def self.uri_params_from_vizshot(viz)
  if viz && (par = parse_vizshot(viz))
    vars, params = par
    ary = Array.new
    vars.each{|var|
      ary.push "variables[#{var.path}]=1"
    }
    ary.push "action_type=draw"
    params.each{|name,val|
      ary += param_to_str("analysis[#{name}]",val)
    }
    #    params.collect{|str| str.gsub(/[/,"%5B").gsub(/]/,"%5D")}.join("&")
    URI.escape( ary.join("&") )
  else
    return nil
  end
end

Instance Method Details

#diagram_label ⇒ Object 



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# File 'app/models/analysis.rb', line 443

def diagram_label
  label = draw_method.name
  label += ", #{region[x_axis][:name]}(#{region[x_axis]["min"]}:#{region[x_axis]["max"]})"
  if draw_method.ndims > 1
    label += " vs #{region[y_axis][:name]}(#{region[y_axis]["min"]}:#{region[y_axis]["max"]})"
  end
  if draw_method.ndims > 2
    label += " vs #{region[z_axis][:name]}(#{region[z_axis]["min"]}:#{region[z_axis]["max"]})"
  end
  tmp = Array.new
  dimensions.each{|dim|
    name = dim[:name]
    next if name==x_axis
    next if draw_method.ndims>1 && name==y_axis
    next if draw_method.ndims>2 && name==z_axis
    tmp.push "#{name}=#{region[name]["min"]}" if region[name]
  }
  label += " @ "+tmp.join(",") unless tmp.length==0
  return label
end

#dimensions ⇒ Object 



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# File 'app/models/analysis.rb', line 317

def dimensions
  unless @dimensions
    axes = Hash.new
    @dimensions = Array.new
    self.gphyses.each{|gp|
      gp.rank.times do |i|
        ax = gp.axis(i)
        ax_name = ax.name
        if axes[ax_name]
          ind, units, ary = axes[ax_name]
          pos = ax.pos
          ary2 = pos.val
          unless pos.units == units
            begin
              factor,offset = Units.new(units).factor_and_offset(Units.new(pos.units))
              ary2 = ary*factor + offset
            rescue
            end
          end
          ary += ary2.to_a
          ary.sort!.uniq!
          axes[ax_name] = [ind, units, ary]
        else
          pos = ax.pos
          axes[ax_name] = [axes.length, pos.units, pos.val.to_a]
        end
      end
      axes.each do |name, ary|
        @dimensions[ary[0]] = {:name => name, :units => ary[1], :ary => ary[2]}
      end
    }
  end
  return @dimensions
end

#draw_methods ⇒ Object 



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# File 'app/models/analysis.rb', line 275

def draw_methods
  dm = read_attribute("draw_method")
  return dm if dm.nil?
  user_model = user && User.(user)
  unless dm == DrawMethod.find(:first, :conditions=>["id=>",dm.node.id], :user=>user_model)
    raise "an invalid draw method was set"
  end
  return dm
end

#file_and_variable_names ⇒ Object 



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# File 'app/models/analysis.rb', line 305

def file_and_variable_names
  variables.collect do |var|
    [fname, vname]
  end
end

#functions ⇒ Object 



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# File 'app/models/analysis.rb', line 285

def functions
  func = read_attribute("function")
  return func if func.nil?
  user_model = user && User.(user)
  unless func ==  Function.find(:first, :conditions=>["id=?",func.id], :user=>user_model)
    raise "an invalid function was set"
  end
  return func
end

#get_vizshots(basename) ⇒ Object 



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# File 'app/models/analysis.rb', line 396

def get_vizshots(basename)
  options = Hash.new
  vars = variables
  nvars = variables.length
  if nvars == 0
    return [false, "at least one variable must be selected"]
  end
  dm_nvars = draw_method.nvars
  if nvars%dm_nvars != 0
    return [false, "number of variable must be multiples of #{dm_nvars}"]
  end
  ix = get_index_from_name(x_axis)
  iy = get_index_from_name(y_axis)
  iz = get_index_from_name(z_axis)

  options[:method] = draw_method.vizshot_method.to_sym
  options.update( get_vizshot_options )
  options["transpose"] = true if draw_method.ndims>1 && ix && iy && ix > iy
  options[:cut] = index

  size = Analysis::DRAW_SIZE[draw_size]
  vizs = Array.new
  nfig = nvars/dm_nvars
  nfig.times{|n|
    if dm_nvars == 2
      options[:variables] = [ vars[draw_variables_order[n][0]].path, vars[draw_variables_order[n][1]].path ]
    else
      options[:variables] = [ vars[n].path ]
    end
    if draw_pileup && vizs[0]
      viz = vizs[0]
    else
      viz = NumRu::VizShot.new(:iwidth => size[0], :iheight => size[1], :basename => basename)
      viz.set_fig('itr' => draw_projection, 'viewport' => viewport)
      unless draw_projection == 5
        viz.set_tone('tonf' => true )
      end
      vizs.push viz
    end
    viz.plot( options.dup )
  }
  return [true, vizs]
end

#gphyses ⇒ Object 



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# File 'app/models/analysis.rb', line 311

def gphyses
  variables.collect do |var|
    var.gphys
  end
end

#index ⇒ Object 



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# File 'app/models/analysis.rb', line 352

def index
  dims = region
  if region.length == 0
    dims = Hash.new
    dimensions.each{|dim|
      dims[dim[:name]] = {"min"=>dim[:ary][0], "max"=>dim[:ary][-1]}
    }
  end
  twoD = dimensions.length > 1
  threeD = dimensions.length > 2
  dim0 = dimensions[0][:name]
  dim1 = dimensions[1][:name] if twoD
  dim2 = dimensions[2][:name] if threeD
  unless x_axis
    xa = dim0
    xa = (twoD && y_axis==xa) ? dim1 : xa
    xa = (threeD && z_axis==xa) ? dim2 : xa
    self.x_axis = xa
  end
  if twoD && !y_axis
    ya = dim1
    ya = x_axis==ya ? dim0 : ya
    ya = (threeD && z_axis==ya) ? dim2 : ya
    self.y_axis = ya
  end
  if threeD && !z_axis
    za = dim2
    za = y_axis==za ? dim1 : za
    za = x_axis==za ? dim0 : za
    self.z_axis = za
  end
  hash = Hash.new
  dims.each do |name,range|
    if ACTION_TYPE[action_type]=="analysis" || (name==x_axis || (draw_method.ndims>1&&name==y_axis) || (draw_method.ndims>2&&name==z_axis))
      min = range["min"].to_f
      max = range["max"].to_f
      hash[name] = min==max ? min : min..max
    else
      hash[name] = range["min"].to_f
    end
  end
  return hash
end

#variable_clear ⇒ Object 



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# File 'app/models/analysis.rb', line 296

def variable_clear
  @dimensions = nil
  %w( variables region x_axis y_axis z_axis draw_variables_order function_variables_order ).each{|name|
    column = column_for_attribute(name)
    default = column.default
    self[name] = default
  }
end

#variables ⇒ Object 



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# File 'app/models/analysis.rb', line 263

def variables
  user_model = user && User.(user)
  vars = read_attribute("variables")
  vars.each{|var|
    next if var.new_record?
    unless var.other_mode==4 || ( user_model && (var.rgroups & user_model.groups) )
      raise "an invalid variable was set"
    end
  }
  return vars
end

#write_attribute(attr_name, value) ⇒ Object 



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# File 'app/models/analysis.rb', line 164

def write_attribute(attr_name, value)
  case attr_name.to_s
  when "function"
    unless Function === value
      value =  Function.find(:first, :conditions=>["name=?",value], :user=>user)
    end
    value = {:class => "function", :name => value && value.name, :user => user}
  when "draw_method"
    unless DrawMethod === value
      value = DrawMethod.find(:first, :conditions=>["name=?",value], :user=>user)
    end
    value = {:class => "draw_method", :name => value && value.name, :user => user}
  when "user"
    unless User === value
      value = User.(value)
    end
    value = {:class => "user", :name => value && value.}
  when "draw_variables_order"
    value = variables_order(value)
  when "function_variables_order"
    value = variables_order(value)
  end

  value = nil if value == "NULL"

  super(attr_name, value)

  if (minmax = @@minmaxs[attr_name.to_s])
    val = read_attribute(attr_name)
    if val < minmax[0]
      write_attribute(attr_name, minmax[0].to_s)
    elsif val > minmax[1]
      write_attribute(attr_name, minmax[1].to_s)
    end
  end
  xa = read_attribute("x_axis")
  ya = read_attribute("y_axis")
  za = read_attribute("z_axis")
  ad = read_attribute("anim") && read_attribute("anim_dim")
  case attr_name.to_s
  when "x_axis"
=begin
    if xa
      if xa == ya
        write_attribute("y_axis", nil)
      elsif xa == za
        write_attribute("z_axis", nil)
      elsif xa == ad
        write_attribute("anim_dim", nil)
      end
    end
=end
  when "y_axis"
=begin
    if ya
      if ya == xa
        write_attribute("x_axis", nil)
      elsif ya == za
        write_attribute("z_axis", nil)
      elsif ya == ad
        write_attribute("anim_dim", nil)
      end
    end
=end
  when "z_axis"
=begin
    if za
      if za == xa
        write_attribute("x_axis", nil)
      elsif za == ya
        write_attribute("y_axis", nil)
      elsif ya == ad
        write_attribute("anim_dim", nil)
      end
    end
=end
  when "anim_dim"
=begin
    if ad
      if ad == xa
        write_attribute("x_axis", nil)
      elsif ad == ya
        write_attribute("x_axis", nil)
      elsif ad == za
        write_attribute("z_axis", nil)
      end
    end
=end
  when "draw_projection"
    unless DRAW_PROJECTION[value.to_i]
      write_attribute("draw_projection", "1")
    end
  when "viewport"
    unless viewport.length==4
      write_attribute("viewport", Analysis.columns_hash["viewport"].default)
    end
  end
end