# File lib/rgl/rdot.rb, line 138
138:     def initialize (params = {}, option_list = [])
139:       super(params)
140:       @name   = params['name']   ? params['name']   : nil 
141:       @parent = params['parent'] ? params['parent'] : nil
142:       @options = {}
143:       option_list.each{ |i|
144:         @options[i] = params[i] if params[i]
145:       }
146:       @options['label'] ||= @name if @name != 'node'
147:     end