def _get_gosubdagplotnt(self, ntplt, title, go2color, pltargs):
        """Return GoSubDagPlotNt, which contains both a GoSubDagPlot object and ntobj."""
        kws_plt = pltargs.get_kws_plt()
        kws_plt['id'] = '"{ID}"'.format(ID=ntplt.hdrgo)
        kws_plt['title'] = "{TITLE} of {M} user GOs".format(TITLE=title, M=ntplt.tot_usrgos)
        kws_plt['go2color'] = go2color
        kws_plt['go2bordercolor'] = pltargs.go2bordercolor
        if ntplt.parentcnt:
            kws_plt["parentcnt"] = True
        gosubdagplot = GoSubDagPlot(ntplt.gosubdag, **kws_plt)
        return GoSubDagPlotNt(self.grprobj, gosubdagplot, ntplt)
Return GoSubDagPlotNt, which contains both a GoSubDagPlot object and ntobj.