Precondition
Be sure to know the basic math: Math HomeTransformation Rotation
E.g. the generation function for the nova set is nova(z,c) = z + 1/z + c.Generated is a sequence dependent on z, with a "disturbing parameter" c.
Transforming nova(z,c) with the function exp(I*angle):
nova(z,c)*exp(I*angle)
exp(I*angle) is a rotation about an angle in the complex plane. I = sqrt(-1)