     # read json data
     $.getJSON jsonFile, (data) =>
 
-      if @subject.metadata.synthetic_id?
-        @calcKnownTransits(data)
+      # DEBUG: USE THIS FOR NOW
+      if data.metadata.known_transits
+        @known_transits = data.metadata.known_transits
+      else
+        @known_transits = ''
+
+      # if @subject.metadata.synthetic_id?
+        # @calcKnownTransits(data) 
 
       @canvasGraph?.marks.destroyAll()
       @marksContainer.appendChild(@canvas)

    @sim_count ||= 0
    @sim_count +=1

    if @sim_count%2 == 0
      Subject.group = "5417014b3ae7400bda000002"

      Subject.fetch 1, (subjects) =>
        console.log "got sim subjects ", subjects
        @onSubjectSelect(null, subjects[0])

    else
      Subject.group = "5417014a3ae7400bda000001"
      @Subject.next()



    #     @known_transits.push([startX + (i * period) - data.x[0] , endX + (i * period) - data.x[0] ])
    #     i+=1

  insertMetadata: ->
    # ukirt data
    @ra      = @subject.coords[0]
