Module: Analytica::Visualization::Representation

Included in:
DataSet, DataSystem
Defined in:
lib/visualization.rb

Instance Method Summary collapse

Instance Method Details

#add_custom(item) ⇒ Object 



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# File 'lib/visualization.rb', line 67

def add_custom(item)
  enforce!(:string, item)

  @custom_set = true
  @custom += "&" if @custom.size > 0
  @custom += item
end

#bar_settings(bar_settings) ⇒ Object 



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# File 'lib/visualization.rb', line 59

def bar_settings(bar_settings)
  enforce_map_optional!({
    :width => :natural_number,
    :spacing => :natural_number,
    :group_spacing => :natural_number}, bar_settings)
  bar_settings
end

#common_options ⇒ Object 



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# File 'lib/visualization.rb', line 160

def common_options
  options = {}
  options.merge!(generate_labels)
  options.merge!(generate_title)
  options.merge!(generate_custom)
  options
end

#generate_custom ⇒ Object 



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# File 'lib/visualization.rb', line 152

def generate_custom
  options = {
    :custom => @custom
  }
  @custom = ""
  options
end

#generate_labels ⇒ Object 



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# File 'lib/visualization.rb', line 83

def generate_labels
  options = {}
  if @labels_set
    if @labels[:data]
      add_custom("chm=N#{@labels[:data][:prefix]}*f#{@labels[:data][:decimal]}*#{@labels[:data][:postfix]},#{@labels[:data][:color]},0,-1,#{@labels[:data][:size]}&chds=0,#{datamax}")
    end

    if @labels[:axis]
      axis_labels = {
        :axis_with_labels => ['x', 'y'],
        :axis_labels => [@labels[:axis][:data], ["#{0}", "#{(datamax*0.5).to_i}",  "#{datamax.to_i}"]]
      }

      axis_style = case @labels[:axis][:style]
       when :axis_tick
         "lt"
       when :axis_only
         "l"
       when :tick_only
         "t"
       when :none
         "_"
      end

      add_custom("chxs=0N#{@labels[:axis][:prefix]}*f#{@labels[:axis][:decimal]}*#{@labels[:axis][:postfix]},#{@labels[:axis][:color]},#{@labels[:axis][:size]},#{axis_style},#{@labels[:axis][:tick_color]}|1N#{@labels[:axis][:prefix]}*f#{@labels[:axis][:decimal]}*#{@labels[:axis][:postfix]},#{@labels[:axis][:color]},#{@labels[:axis][:size]},#{axis_style},#{@labels[:axis][:tick_color]}") #http://code.google.com/apis/chart/docs/chart_params.html
      options.merge!(axis_labels)

    elsif @labels[:x_axis]
      x_axis_label = {
        :axis_with_labels => ['x'],
        :axis_labels => @labels[:x_axis][:data].size == 0 ? self.map{|n|"#{n}"} : @labels[:x_axis][:data]
      }

      axis_style = case @labels[:x_axis][:style]
       when :axis_tick
         "lt"
       when :axis_only
         "l"
       when :tick_only
         "t"
       when :none
         "_"
      end

      add_custom("chxs=0N#{@labels[:x_axis][:prefix]}*f#{@labels[:x_axis][:decimal]}*#{@labels[:x_axis][:postfix]},#{@labels[:x_axis][:color]},#{@labels[:x_axis][:size]},#{axis_style},#{@labels[:x_axis][:tick_color]}") #http://code.google.com/apis/chart/docs/chart_params.html
      options.merge!(x_axis_label)
    elsif @labels[:y_axis]
      y_axis_label = {
        :axis_with_labels => ['y'],
        :axis_labels => @labels[:y_axis][:data].size == 0 ? ["#{0}", "#{(datamax*0.5).to_i}",  "#{datamax.to_i}"] : @labels[:y_axis][:data]
      }
      axis_style = case @labels[:y_axis][:style]
       when :axis_tick
         "lt"
       when :axis_only
         "l"
       when :tick_only
         "t"
       when :none
         "_"
      end

      add_custom("chxs=0N#{@labels[:y_axis][:prefix]}*f#{@labels[:y_axis][:decimal]}*#{@labels[:y_axis][:postfix]},#{@labels[:y_axis][:color]},#{@labels[:y_axis][:size]},#{axis_style},#{@labels[:y_axis][:tick_color]}") #http://code.google.com/apis/chart/docs/chart_params.html
      options.merge!(y_axis_label)
    end
  end
  options
end

#generate_title ⇒ Object 



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# File 'lib/visualization.rb', line 75

def generate_title
  options = {}
  if @title_set
    options.merge!({:title => @title[:text], :title_size => @title[:size], :title_color => @title[:color]})
  end
  options
end

#set_labels(params = {}) ⇒ Object 



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# File 'lib/visualization.rb', line 8

def set_labels(params={})
  enforce_map_defaults!({
    :data => [],
    :type => :axis,
    :style => :axis_tick,
    :prefix => ' ',
    :postfix => ' ',
    :decimal => 0,
    :color => '000000',
    :tick_color => "333333",
    :size => 10}, params)

  enforce_primitive!(Array, params[:data])

  enforce_map!({
    :type => [:axis, :x_axis, :y_axis, :data],
    :prefix => :string,
    :decimal => :integer,
    :color => :hex_color,
    :tick_color => :hex_color,
    :style => [:axis_tick, :axis_only, :tick_only, :none],
    :size => :natural_number}, params)

  @labels_set = true

  @labels = {} if @labels.nil?
  @labels[params[:type]] = {}
  @labels[params[:type]][:prefix] = params[:prefix] == ' ' ? '' : params[:prefix]
  @labels[params[:type]][:postfix] = params[:postfix] == ' ' ? '' : params[:postfix]
  @labels[params[:type]][:decimal]  = params[:decimal]
  @labels[params[:type]][:color] = params[:color]
  @labels[params[:type]][:size] = params[:size]
  @labels[params[:type]][:style] = params[:style]
  @labels[params[:type]][:tick_color] = params[:tick_color]
  @labels[params[:type]][:data] = params[:data]
end

#set_title(params) ⇒ Object 



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# File 'lib/visualization.rb', line 45

def set_title(params)
  enforce_map_defaults!({
    :text => ' ',
    :size => 11,
    :color => "000000"}, params)
  enforce_map!({
    :text => :string,
    :size => :natural_number,
    :color => :hex_color}, params)

  @title = params
  @title_set = true
end