Integration tool: pyFAI-saxs¶

Purpose¶

Azimuthal integration for SAXS users.

pyFAI-saxs is the SAXS script of pyFAI that allows data reduction (azimuthal integration) for Small Angle Scattering with output axis in q space.

pyFAI-saxs -p=param.poni -w1.54 file.edf file2.edf file3.edf

Options:

`-h, --help`	show this help message and exit
`-v, --version`	show program’s version number and exit
`-p PONIFILE`	PyFAI parameter file (.poni)
`-n NPT, --npt NPT`
	Number of points in radial dimension
`-w WAVELENGTH, --wavelength WAVELENGTH`
	wavelength of the X-Ray beam in Angstrom
`-e ENERGY, --energy ENERGY`
	energy of the X-Ray beam in keV (hc=12.398419292keV.A)
`-u DUMMY, --dummy DUMMY`
	dummy value for dead pixels
`-U DELTA_DUMMY, --delta_dummy DELTA_DUMMY`
	delta dummy value
`-m MASK, --mask MASK`
	name of the file containing the mask image
`-d DARK, --dark DARK`
	name of the file containing the dark current
`-f FLAT, --flat FLAT`
	name of the file containing the flat field
`-P POLARIZATION_FACTOR, --polarization POLARIZATION_FACTOR`
	Polarization factor, from -1 (vertical) to +1 (horizontal), default is None for no correction, synchrotrons are around 0.95
`--error-model ERROR_MODEL`
	Error model to use. Currently on ‘poisson’ is implemented
`--unit UNIT`	unit for the radial dimension: can be q_nm^-1, q_A^-1, 2th_deg, 2th_rad or r_mm
`--ext EXT`	extension of the regrouped filename (.dat)
`--method METHOD`
	Integration method