Integral profiles of ellipticity (upper panel) and position angle (lower panel) for the entire galaxy population (solid black line and yellow errorbars) and for red and blue galaxy populations (red and blue errorbands only). The values of ϵ and PA at a given radius R have been estimated by considering all galaxies within R. The vertical dashed line shows the value of R₂₀₀ (1.71 Mpc).