         for i of data.marker
             markerpos[data.marker[i]] = d3.format(".1f")(data.pos[i])
 
-        martip = d3.tip()
-                   .attr('class', "d3-tip #{tipclass}")
-                   .html((d) -> "#{d} (#{markerpos[d]})")
-                   .direction(() ->
-                       return 'n' if horizontal
-                       'e')
-                   .offset(() ->
-                       return [-10,0] if horizontal
-                       [0,10])
-        svg.call(martip)
-
         markers = svg.append("g").attr("id", "points")
         markerSelect =
             markers.selectAll("empty")

                                                 d3.select(this).attr("stroke", linecolor)
                                                 martip.hide()

        # move box to front
        myframe.box().raise()


    # function to remove chart
    chart.remove = () ->
                      svg.remove()
                      d3panels.tooltip_destroy(martip)
                      return null

    # return the chart function
