Module: Analytica::Visualization::DataSystem

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

Instance Method Summary collapse

Instance Method Details

#datamax ⇒ Object 



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# File 'lib/visualization.rb', line 324

def datamax
  (self.map{|dset| dset.datamax}).max
end

#to_bargraph(params = {}) ⇒ Object 



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# File 'lib/visualization.rb', line 372

def to_bargraph(params={})
  enforce_map_defaults!({
    :title => {:text => ' ', :color => "000000", :size => 12},
    :orientation => :vertical,
    :color => 'ffffff',
    :background_color => '000000',
    :width => 600,
    :height => 280,
    :stacked => false,
    :format => :image_tag,
    :bar_settings => {}}, params)

  enforce_map!({
    :title => :hash_map,
    :width => :natural_number,
    :height => :natural_number,
    :orientation => [:vertical, :horizontal],
    :stacked => :boolean,
    :background_color => :hex_color,
    :colors => :hex_color_array,
    :format => [:url, :image_tag],
    :bar_settings => :hash_map}, params)

  set_title(params[:title])

  options = {}

  options.merge!({:format => 'image_tag'}) if params[:format] == :image_tag

  base = {
    :data => self,
    :max_value => datamax,
    :size => "#{params[:width]}x#{params[:height]}",
    :orientation => params[:orientation].to_s,
    :stacked => params[:stacked],
    :bar_width_and_spacing => bar_settings(params[:bar_settings])
  }

  options.merge!(base)

  color = {
    :bar_colors => params[:colors],
    :background => params[:background_color],
    :chart_background => params[:background_color]
  }

  options.merge!(color)

  options.merge!(common_options)

  return Gchart.bar(options)
end

#to_linegraph(params = {}) ⇒ Object 



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# File 'lib/visualization.rb', line 328

def to_linegraph(params={})
  enforce_map_defaults!({
    :title => {:text => ' ', :color => "000000", :size => 12},
    :color => 'ffffff',
    :width => 600,
    :height => 280,
    :format => :image_tag,
    :background_color => '000000'}, params)

  enforce_map!({
    :title => :hash_map,
    :width => :natural_number,
    :height => :natural_number,
    :background_color => :hex_color,
    :format => [:url, :image_tag],
    :color => :hex_color}, params)

  set_title(params[:title])

  options = {}

  options.merge!({:format => 'image_tag'}) if params[:format] == :image_tag

  base = {
    :data => self,
    :max_value => datamax,
    :size => "#{params[:width]}x#{params[:height]}"
  }

  options.merge!(base)

  color = {
    :line_colors => params[:colors],
    :background => params[:background_color],
    :chart_background => params[:background_color]
  }

  options.merge!(color)

  options.merge!(common_options)

  Gchart.line(options)
end