The angular distributions of the isotropic-equivalent energy E_iso (solid lines, left axis) and the photospheric four-velocity u_ph (dashed lines, right axis) for the four models. The blue, red, green, and purple lines correspond to models Lc, Lw, LI, and Llow, respectively. The upper panel shows the distribution at ﹩{R}_{{\rm{c}},{\rm{\max }}}\approx 1{0}^{12}\,{\rm{cm}}﹩, while the lower panel shows shows those at ﹩{R}_{{\rm{c}},{\rm{\max }}}\approx 1{0}^{13}\,{\rm{cm}}﹩.