def plotCompareTrackAAModel(self,**kwargs):
        """
        NAME:

           plotCompareTrackAAModel

        PURPOSE:

           plot the comparison between the underlying model's dOmega_perp vs. dangle_r (line) and the track in (x,v)'s dOmega_perp vs. dangle_r (dots; explicitly calculating the track's action-angle coordinates)

        INPUT:

           bovy_plot.bovy_plot kwargs

        OUTPUT:

           plot

        HISTORY:

           2014-08-27 - Written - Bovy (IAS)

        """
        #First calculate the model
        model_adiff= (self._ObsTrackAA[:,3:]-self._progenitor_angle)[:,0]\
            *self._sigMeanSign
        model_operp= numpy.dot(self._ObsTrackAA[:,:3]-self._progenitor_Omega,
                               self._dsigomeanProgDirection)\
                               *self._sigMeanSign
        #Then calculate the track's frequency-angle coordinates
        if self._multi is None:
            aatrack= numpy.empty((self._nTrackChunks,6))
            for ii in range(self._nTrackChunks):
                aatrack[ii]= self._aA.actionsFreqsAngles(Orbit(self._ObsTrack[ii,:]),
                                                         use_physical=False)[3:]
        else:
            aatrack= numpy.reshape(\
                multi.parallel_map(
                    (lambda x: self._aA.actionsFreqsAngles(Orbit(self._ObsTrack[x,:]),use_physical=False)[3:]),
                    range(self._nTrackChunks),
                    numcores=numpy.amin([self._nTrackChunks,
                                         multiprocessing.cpu_count(),
                                         self._multi])),(self._nTrackChunks,6))
        track_adiff= (aatrack[:,3:]-self._progenitor_angle)[:,0]\
            *self._sigMeanSign
        track_operp= numpy.dot(aatrack[:,:3]-self._progenitor_Omega,
                               self._dsigomeanProgDirection)\
                               *self._sigMeanSign
        overplot= kwargs.pop('overplot',False)
        yrange= kwargs.pop('yrange',
                           [0.,numpy.amax(numpy.hstack((model_operp,track_operp)))*1.1])
        xlabel= kwargs.pop('xlabel',r'$\Delta \theta_R$')
        ylabel= kwargs.pop('ylabel',r'$\Delta \Omega_\parallel$')
        bovy_plot.bovy_plot(model_adiff,model_operp,'k-',overplot=overplot,
                            xlabel=xlabel,ylabel=ylabel,yrange=yrange,**kwargs)
        bovy_plot.bovy_plot(track_adiff,track_operp,'ko',overplot=True,
                            **kwargs)
        return None
NAME:

           plotCompareTrackAAModel

        PURPOSE:

           plot the comparison between the underlying model's dOmega_perp vs. dangle_r (line) and the track in (x,v)'s dOmega_perp vs. dangle_r (dots; explicitly calculating the track's action-angle coordinates)

        INPUT:

           bovy_plot.bovy_plot kwargs

        OUTPUT:

           plot

        HISTORY:

           2014-08-27 - Written - Bovy (IAS)