# File tk/lib/tkextlib/blt/component.rb, line 333
      def self.id2obj(chart, id)
        cpath = chart.path
        return id unless OBJ_TBL[cpath]
        OBJ_TBL[cpath][id]? OBJ_TBL[cpath][id]: id
      end

# File tk/lib/tkextlib/blt/component.rb, line 349
      def initialize(chart, axis=nil, keys={})
        if axis.kind_of?(Hash)
          keys = axis
          axis = nil
        end
        if axis
          @axis = @id = axis.to_s
        else
          @axis = @id = OBJ_ID.join(TkCore::INTERP._ip_id_).freeze
          OBJ_ID[1].succ!
        end
        @path = @id
        @parent = @chart = chart
        @cpath = @chart.path
        Axis::OBJ_TBL[@cpath][@axis] = self
        keys = _symbolkey2str(keys)
        unless keys.delete('without_creating')
          # @chart.axis_create(@axis, keys)
          tk_call(@chart, 'axis', 'create', @axis, keys)
        end
      end

# File tk/lib/tkextlib/blt/component.rb, line 339
      def self.new(chart, axis=nil, keys={})
        if axis.kind_of?(Hash)
          keys = axis
          axis = nil
        end
        OBJ_TBL[chart.path] = {} unless OBJ_TBL[chart.path]
        return OBJ_TBL[chart.path][axis] if axis && OBJ_TBL[chart.path][axis]
        super(chart, axis, keys)
      end

# File tk/lib/tkextlib/blt/component.rb, line 379
      def cget(option)
        @chart.axis_cget(@id, option)
      end

# File tk/lib/tkextlib/blt/component.rb, line 393
      def command(cmd=nil, &b)
        if cmd
          configure('command', cmd)
        elsif b
          configure('command', Proc.new(&b))
        else
          cget('command')
        end
      end

# File tk/lib/tkextlib/blt/component.rb, line 386
      def configinfo(key=nil)
        @chart.axis_configinfo(@id, key)
      end

# File tk/lib/tkextlib/blt/component.rb, line 382
      def configure(key, value=None)
        @chart.axis_configure(@id, key, value)
        self
      end

# File tk/lib/tkextlib/blt/component.rb, line 389
      def current_configinfo(key=nil)
        @chart.current_axis_configinfo(@id, key)
      end

# File tk/lib/tkextlib/blt/component.rb, line 403
      def delete
        @chart.axis_delete(@id)
        self
      end

# File tk/lib/tkextlib/blt/component.rb, line 371
      def id
        @id
      end

# File tk/lib/tkextlib/blt/component.rb, line 408
      def invtransform(val)
        @chart.axis_invtransform(@id, val)
      end

# File tk/lib/tkextlib/blt/component.rb, line 412
      def limits
        @chart.axis_limits(@id)
      end

# File tk/lib/tkextlib/blt/component.rb, line 416
      def name
        @axis
      end

# File tk/lib/tkextlib/blt/component.rb, line 375
      def to_eval
        @id
      end

# File tk/lib/tkextlib/blt/component.rb, line 420
      def transform(val)
        @chart.axis_transform(@id, val)
      end

# File tk/lib/tkextlib/blt/component.rb, line 429
      def use(name=None) # if @id == xaxis | x2axis | yaxis | y2axis
        @chart.axis_use(@id, name)
      end

# File tk/lib/tkextlib/blt/component.rb, line 433
      def use_as(axis) # axis := xaxis | x2axis | yaxis | y2axis
        @chart.axis_use(axis, @id)
      end

# File tk/lib/tkextlib/blt/component.rb, line 424
      def view
        @chart.axis_view(@id)
        self
      end