def q_conversion_gisaxs(integrator: AzimuthalIntegrator,
data: np.ndarray) -> np.ndarray:
chi = integrator.chiArray()
twotheta = integrator.twoThetaArray()
# TODO: Doble check what is chi = 0
q_x = 2 * np.pi / integrator.getvalue('Wavelength') * np.sin(
twotheta) * np.sin(chi)
q_z = 2 * np.pi / integrator.getvalue('Wavelength') * np.sin(
twotheta) * np.cos(chi)
return q_x, q_z
