         .on 'click', (d, idx) =>
           d3.event.stopPropagation()
           @zoom(d) if idx > 0
+      @container
+        .selectAll('.ancestor')
+        .on 'click', (d, idx) =>
+          console.log(d)
+          d3.event.stopPropagation()
+          @zoom(@_ancestors[idx])
       @
 
     _generateAccessors: (accessors) ->


    zoom: (node) ->
      if node in @_ancestors
        @_ancestors.slice(0, @_ancestors.indexOf(node))
      else
        @_ancestors.push(@data()[0])
      @data(node).render(@_selector)

    tokens = fqdn.split(".")
    tokens.slice(tokens.length - 2).join(".")

  # Return a vector (0.0 -> 1.0) that is a hash of the input string.
  # The hash is computed to favor early characters over later ones, so
  # that strings with similar starts have similar vectors. Only the first
  # 6 characters are considered.
