A340867 text scatter plot

text_plotter_example.rb

def plot_modulus(values, count)
    puts
    s = values.map {|v| v.to_s(count) }.join('')
    count.times do |i|
        value = i.to_s(count)
        re = Regexp.new("[^" + value + "]")
        puts '# ' + s.gsub(re, ' ')
    end
end


require 'prime'
values = [0]
Prime.first(150).each do |prime|
    values << (prime-values[-1]) % 4
end
plot_modulus(values, 4)

# OUTPUT:
# 0  0 0 0 0       0   0 0 0   0   0   0 0   0 0 0 0 0   0   0   0   0       0     0   0           0   0   0   0       0   0 0 0 0 0         0   0   0   
#   1   1   1   1   1 1   1 1 1 1 1   1   1   1     1   1   1 1       1   1         1       1 1 1 1 1   1   1   1   1     1 1   1   1 1     1 1     1 1 1
#  2         2 2 2   2       2   2   2     2           2   2   2   2   2 2 2   2 2   2   2 2 2 2 2   2   2   2   2 2 2   2           2 2 2 2   2   2   2 
#     3   3   3   3     3           3   3   3   3 3   3   3     3 3 3   3   3 3 3 3   3 3 3           3   3   3   3   3 3     3   3     3 3     3 3