from sympy import *
from spb import *
import colorcet
z, u, a, b = symbols("z, u, a, b")
plot_complex(
    sin(u * z), prange(z, -a - b*I, a + b*I),
    cmap=colorcet.colorwheel, blevel=0.85,
    coloring="b", n=250, grid=False,
    params={
        u: (0.5, 0, 2),
        a: (pi, 0, 2*pi),
        b: (pi, 0, 2*pi),
    })