set_edge_height (CWrp::File8WVR)

    # File ../lib/roller/CWRP.rb, line 964
      def set_edge_height(height)
        height = height.to_f
        reset_progress 'Setting edge height', 1

        @terrain_height.first.map! { height }
        @terrain_height.last.map! { height }

        @terrain_height.each do |row|
          row[0] = height
          row[row.size - 1] = height
        end

        increment_progress

        height
      end