NGC 1569 (left) and NGC 4449 (right) density profiles as a function of m (top), m^1/4 (middle) and log(m) (bottom), where m is the elliptical radius from the galaxy center. N is the number of stars in the RGB boxes shown in Figs. 6 and 7. The fits fixed to the ACS data points (top) and all points (middle and bottom) are shown as solid lines. The symbol types are the same as in Figs. 9 and 10. The dotted lines show disk scale lengths R_d (upper panels) and effective radii R_e (middle panels).