def init_sum_scheme(sum_scheme)

        return if sum_scheme.nil?

        re = /(\w+):(\d+)|(\w+)/

        sum_scheme.scan(re).each do |part|
          if part.compact.size == 2
            @sum_row_title = part[0]
            @sum_row       = part[1].to_i
          else
            @sum_col_title = part[2]
          end
        end

      end
def init_sum_scheme(sum_scheme)

        return if sum_scheme.nil?

        re = /(\w+):(\d+)|(\w+)/

        sum_scheme.scan(re).each do |part|
          if part.compact.size == 2
            @sum_row_title = part[0]
            @sum_row       = part[1].to_i
          else
            @sum_col_title = part[2]
          end
        end

      end
def init_sum_scheme ( sum_scheme ) return if sum_scheme . nil? re = / \w \d \w / sum_scheme . scan ( re ) . each do | part | if part . compact . size == 2 @sum_row_title = part [ 0 ] @sum_row = part [ 1 ] . to_i else @sum_col_title = part [ 2 ] end end end
Initializes the sum row title an positions as well as the sum column
 title
Initializes the sum row title an positions as well as the sum column title