Plots curvature

        Parameters
        ----------
        curvtype : str, optional
            One of the following strings indicating curvature type

            - Mean
            - Gaussian
            - Maximum
            - Minimum

        **kwargs : optional
            See help(vtki.plot)

        Returns
        -------
        cpos : list
            List of camera position, focal point, and view up

def plot_curvature(self, curv_type='mean', **kwargs):
        """
        Plots curvature

        Parameters
        ----------
        curvtype : str, optional
            One of the following strings indicating curvature type

            - Mean
            - Gaussian
            - Maximum
            - Minimum

        **kwargs : optional
            See help(vtki.plot)

        Returns
        -------
        cpos : list
            List of camera position, focal point, and view up
        """
        return self.plot(scalars=self.curvature(curv_type),
                         stitle='%s\nCurvature' % curv_type, **kwargs)