X-Git-Url: https://projects.mako.cc/source/selectricity/blobdiff_plain/2857ac6197adfe972a5e6129a3f26af9e148edb1..98bb7b88caea42148d7ebd72e408f523bcac4f96:/app/controllers/graph_controller.rb?ds=inline diff --git a/app/controllers/graph_controller.rb b/app/controllers/graph_controller.rb index b019aeb..0599b70 100644 --- a/app/controllers/graph_controller.rb +++ b/app/controllers/graph_controller.rb @@ -1,8 +1,27 @@ +# Selectricity: Voting Machinery for the Masses +# Copyright (C) 2007, 2008 Benjamin Mako Hill +# Copyright (C) 2007 Massachusetts Institute of Technology +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public +# License along with this program. If not, see +# . + require 'date' class GraphController < ApplicationController class GruffGraff - COLORS = ['#74CE00', '#005CD9', '#DC0D13', '#131313', '#990033'] + COLORS = ['#74CE00', '#005CD9', '#DC0D13', '#131313', '#A214A4', '#EFF80E', + '#90E5E6', '#F58313', '#437D3D', '#0E026C'] BACKGROUND_COLORS = ['#74CE00', '#FFFFFF'] #for green and white background def initialize(options) @@ -45,6 +64,7 @@ class GraphController < ApplicationController end else #one dimensional array, just pass it in @graph.data( options.fetch(:data_name, "Data"), options[:data] ) + @graph.hide_legend = true end # set the labels or create an empty hash @@ -87,6 +107,8 @@ class GraphController < ApplicationController @election = Election.find(params[:id]) data, labels, scale = get_votes_per_interval_data(@election) + hide_legend = true + graph = GruffGraff.new( :graph_type => Gruff::Line, :data_name => @election.name, :data => data, @@ -108,14 +130,25 @@ class GraphController < ApplicationController @election.results unless @election.borda_result data, labels = get_borda_points(@election.borda_result) + size = "400x300" + size = "580x300" if @election.candidates.size >= 5 + + if @election.candidates.size >= 5 + marker_font_size = 17 + else + marker_font_size = 20 + end + graph = GruffGraff.new( :graph_type => Gruff::Bar, :data_name => @election.name, :data => data, :interval_labels => labels, + :size => size, :title => "Points Per Candidate", :marker_color => '#999999', + :marker_font_size => marker_font_size, :y_axis_label => "Points", - :x_axis_label => "Candidate") + :x_axis_label => "Candidates") send_data(*graph.output) end #Acording to Tufte, small, concomparitive, highly labeled data sets usually @@ -156,9 +189,22 @@ class GraphController < ApplicationController @election.plurality_result.points.each do |candidate, votes| data[names[candidate]] = votes end - + size = "400x300" + size = "520x300" if @election.candidates.size >= 8 + + if @election.candidates.size >= 8 + marker_font_size = 20 + legend_font_size = 17 + else + marker_font_size = 17 + legend_font_size = 17 + end + pie = GruffGraff.new( :graph_type => Gruff::Pie, :title => "Percentage of First Place Votes", + :size => size, + :marker_font_size => marker_font_size, + :legend_font_size => legend_font_size, :data => data) send_data(*pie.output)