ess.sans.conversions

Functions

Qxy(Q, phi)	Compute the Qx and Qy components of the scattering vector from the scattering angle, wavelength, and phi angle.
compute_Q(data, graph)	Convert a data array from wavelength to Q.
compute_Qxy(data, graph)	Convert a data array from wavelength to Qx and Qy.
cyl_unit_vectors(incident_beam, gravity)
cylindrical_x(cyl_x_unit_vector, scattered_beam)	Compute the horizontal x coordinate perpendicular to the incident beam direction.
cylindrical_y(cyl_y_unit_vector, scattered_beam)	Compute the vertical y coordinate perpendicular to the incident beam direction.
detector_to_wavelength(detector, graph)
mask_wavelength(da, mask)
monitor_to_wavelength(monitor, graph)
phi_no_gravity(cylindrical_x, cylindrical_y)	Compute the cylindrical phi angle around the incident beam.
sans_elastic(correct_for_gravity)	Generate a coordinate transformation graph for SANS elastic scattering.
sans_monitor()	Generate a coordinate transformation graph for SANS monitor (no scattering).