class USAmap
@author salemine <info@salemine.com>
Public Class Methods
new(stats_h = {}, colors_h = {})
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@param [Hash] stats_h stats to plot by county FIPS value eg stats_h ['35001'] = 3 @param [Hash] colors_h colors to plot for numeric ranges eg colors_h [0..5] = '#CD5C5C'
# File lib/usamap.rb, line 8 def initialize(stats_h = {}, colors_h = {}) @stats_h, @colors_h = stats_h, colors_h end
Public Instance Methods
to_s()
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Returns:¶ ↑
A colorized SVG (Scalable Vector Graphics) map of the USA
# File lib/usamap.rb, line 14 def to_s css = '' @stats_h.each do |fips, val| colr = @colors_h.select { |range, hex| range.member?(val) }.values.first css << ".c#{fips} {fill:#{colr}}\n" end svg = UsaCountiesSvg.svg css.empty? ? svg : svg.gsub!(/\/\*CSS insertion point\*\//, "/*CSS insertion point*/\n#{css}") end