r = 1.1 (slider from -20 to 20, step 0.1)
q = -1.1 (slider from -20 to 20, step 0.1)
n = 1.6 (slider from 0 to 10, step 0.1)
p = 1.1 (slider from -20 to 20, step 0.1)
θ = 0 (slider from 0 to 62.83185307, step 0.1)
a = 2.3 (slider from -20 to 20, step 0.1)
b = 0.9 (slider from -20 to 20, step 0.1)
D: ((((abs((1 / a * cos((n * θ / 4)))))^(p) + (abs((1 / b * sin((n * θ / 4)))))^(q))^(-1 / r) * cos(θ)), (((abs((1 / a * cos((n * θ / 4)))))^(p) + (abs((1 / b * sin((n * θ / 4)))))^(q))^(-1 / r) * sin(θ)))
loc1 = Locus(D, θ)