# File lib/numru/nusdas.rb, line 1561
    def initialize(name, meta, plane_type)
      @name = name
      @meta = meta
      @type = :reference

      @attr = Hash.new

      case @meta[:projection].rstrip
      when "LL", "GS", "RG", "MER", "NPS", "SPS", "LMN", "LMS", "OL"
        case name
        when "lon"
          @name2 = "x"
          @attr["units"] = "degrees_east"
          @attr["long_name"] = "longitude"
        when "lat"
          @name2 = "y"
          @attr["units"] = "degrees_north"
          @attr["long_name"] = "latitude"
        end
      when "YP"
        case name
        when "lat"
          @name2 = "x"
          @attr["units"] = "degrees_north"
          @attr["long_name"] = "latitude"
        when "z"
          @name2 = "y"
          @attr["units"] = "m"
          @attr["long_name"] = "height"
        end
      end
      if !@name2 && @meta[:nplane] > 1
        case plane_type
        when "PP"
          @name2 = "plane" if @name == "pressure"
          @attr["units"] = "hPa"
          @attr["long_name"] = "pressure_level"
        when "SG"
          @name2 = "plane" if @name == "sigma"
        when "ZS", "ZZ"
          @name2 = "plane" if @name == "z"
          @attr["units"] = "m"
          @attr["long_name"] = "height"
        when "TH"
          @name2 = "plane" if @name == "theta"
          @attr["units"] = "K"
          @attr["long_name"] = "theta_level"
        end
      end
      if @name2 == "plane"
        @attr["coordinate"] = @@vertical_grids[plane_type]
      end

      if @name2 == "validtime"
        @attr["units"] = @meta[:validtime_unit].downcase
      end
      if @name2 == "basetime"
        @attr["units"] = "minuits since 1801-01-01 00:00:0.0"
      end

      @name2 ||= @name

    end