from sympy import symbols
from spb import *
xi, wn, Tp, Ts = symbols("xi omega_n T_p T_s")
params = {
    xi: (0.85, 0, 1),
    wn: (6.5, 2, 8),
    Tp: (1, 0.2, 4),
    Ts: (1, 0.2, 4),
}
graphics(
    sgrid(auto=True),
    sgrid(xi=xi, wn=False, params=params,
        rendering_kw={"color": "r", "linestyle": "-"},
        show_control_axis=False),
    sgrid(xi=False, wn=wn, params=params,
        rendering_kw={"color": "g", "linestyle": "-"},
        show_control_axis=False),
    sgrid(xi=False, wn=False, tp=Tp, params=params,
        rendering_kw={"color": "b", "linestyle": "-"},
        show_control_axis=False),
    sgrid(xi=False, wn=False, ts=Ts, params=params,
        rendering_kw={"color": "m", "linestyle": "-"},
        show_control_axis=False),
    grid=False, xlim=(-8.5, 1), ylim=(-5, 5))