//internal void assignOverlay(GameObject overlay)
    //{
    //    overlayPrefab = overlay;
    //    glyphDataText = overlayPrefab.transform.Find("Background/DataText").gameObject.GetComponent<Text>();
    //}
    internal void assignScatterplotManager(GameObject scatterManager)
    {
        this.scatterPlotManager = scatterManager;
        Debug.Log("scatterPlotManager:" + scatterPlotManager.GetComponent <ScatterplotGenerator>().test());

        scatterplotGenerator = scatterPlotManager.GetComponent <ScatterplotGenerator>();
    }