def _indiameter_from_fibers(self):
        r"""
        Calculate an indiameter by distance transforming sections of the
        fiber image. By definition the maximum value will be the largest radius
        of an inscribed sphere inside the fibrous hull
        """
        Np = self.num_pores()
        indiam = np.zeros(Np, dtype=float)
        incen = np.zeros([Np, 3], dtype=float)
        hull_pores = np.unique(self._hull_image)
        (Lx, Ly, Lz) = np.shape(self._hull_image)
        (indx, indy, indz) = np.indices([Lx, Ly, Lz])
        indx = indx.flatten()
        indy = indy.flatten()
        indz = indz.flatten()
        for i, pore in enumerate(hull_pores):
            logger.info("Processing pore: "+str(i)+" of "+str(len(hull_pores)))
            dt_pore = self._dt_image*(self._hull_image == pore)
            indiam[pore] = dt_pore.max()*2
            max_ind = np.argmax(dt_pore)
            incen[pore, 0] = indx[max_ind]
            incen[pore, 1] = indy[max_ind]
            incen[pore, 2] = indz[max_ind]
        indiam *= self.network.resolution
        incen *= self.network.resolution
        return (indiam, incen)
r"""
        Calculate an indiameter by distance transforming sections of the
        fiber image. By definition the maximum value will be the largest radius
        of an inscribed sphere inside the fibrous hull