size = "700x400"
@graph = options[:graph_type].new(size)
- @graph.theme = { :background_colors => ['#73BF26', '#ffffff'] }
+ @graph.theme = { :colors => ['#000000', '#00FFFF', '#FFCC00', '#990033'],
+ :background_colors => ['#74ce00', '#ffffff'] }
@graph.font = File.expand_path('/usr/X11R6/lib/X11/fonts/TTF/Vera.ttf',
RAILS_ROOT)
# fill in the data with the optional data name
- #Check to see if multiple datasets, if so, fill them all!
- if options[:data].size > 1 && options[:data].all? {|i| i.is_a?(Array)}
+ #Check to see if multiple datasets, if so, fill them all!
+ if options[:data].is_a?(Hash)
+ options[:data].each_pair do |name, array|
+ @graph.data( name, array)
+ end
+ #if each dataset nameless, will have only multiple arrays
+ elsif options[:data].size > 1 && options[:data].all? {|i| i.is_a?(Array)}
options[:data].each do |array|
@graph.data( options.fetch(:data_name, "Data"), array)
end
def borda_bar
@election = Election.find(params[:id])
- pref_tally = make_preference_tally(@election)
+ #pref_tally = make_preference_tally(@election)
- @borda_result = BordaVote.new(pref_tally).result
- data, labels = get_borda_points(@borda_result)
+ #@borda_result = BordaVote.new(pref_tally).result
+ data, labels = get_borda_points(@election.borda_result)
graph = GruffGraff.new( :graph_type => Gruff::Bar,
:data_name => @election.name,
:x_axis_label => "Candidate")
send_data(*graph.output)
end
-
- def choices_positions
+ #Acording to Tufte, small, concomparitive, highly labeled data sets usually
+ # belong in tables. The following is a bar graph...but would it be better
+ #as a table?
+ def choices_positions
@election = Election.find(params[:id])
pref_tally = make_preference_tally(@election)
fulldata, labels = get_positions_info(@election)
- labels = @candidates
+ legend = Hash.new
+
+ @election.candidates.each_with_index do |candidate, index|
+ legend[candidate.name] = fulldata[index]
+ end
+
graph = GruffGraff.new( :graph_type => Gruff::Bar,
- :data_name => @election.name,
- :data => fulldata,
+ :data => legend,
:interval_labels => labels,
:title => "Times Voted in Each Position",
:y_axis_label => "Number of Times Ranked",
rank_labels[i] = (i+1).to_s
end
end
-
+
return buckets2.values, rank_labels
end
end
def get_borda_points(result)
- #points holds how mnay points each candidate has received in array form
- #becasue Gruff::Bar#data takes only an array
points = Array.new
labels = Hash.new
## the CloneproofSSDVote classes but should not be used directly.
class CondorcetVote < ElectionVote
-
+
attr_accessor :results
def initialize(votes=nil)
## directly.
class CondorcetResult < ElectionResult
+ attr_reader :matrix
+
def initialize(voteobj=nil)
unless voteobj and voteobj.kind_of?( CondorcetVote )
raise ArgumentError, "You must pass a CondorcetVote array.", caller
end
super(voteobj)
+ @matrix = voteobj.votes
end
protected
-
def defeats(candidates=nil, votes=nil)
candidates = @election.candidates unless candidates
votes = @election.votes unless votes