.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.4. .TH CALIBRATION "1" "February 2018" "calibration from pyFAI version 0.15.0: 30/01/2018" "User Commands" .SH NAME calibration \- manual page for calibration from pyFAI version 0.15.0: 30/01/2018 .SH DESCRIPTION usage: pyFAI\-calib [options] \fB\-w\fR 1 \fB\-D\fR detector \fB\-c\fR calibrant.D imagefile.edf .PP Calibrate the diffraction setup geometry based on Debye\-Sherrer rings images without a priori knowledge of your setup. You will need to provide a calibrant or a "d\-spacing" file containing the spacing of Miller plans in Angstrom (in decreasing order). Calibrants available: PBBA, Si_SRM640a, LaB6_SRM660a, Si_SRM640c, TiO2, CuO, AgBh, mock, Au, Si_SRM640b, Si_SRM640d, NaCl, Si_SRM640, CeO2, LaB6_SRM660b, Si_SRM640e, LaB6, Al, Ni, LaB6_SRM660c, CrOx, alpha_Al2O3, ZnO, Cr2O3, Si, quartz, C14H30O, cristobaltite or search in the American Mineralogist database: http://rruff.geo.arizona.edu/AMS/amcsd.php The \fB\-\-calibrant\fR option is mandatory ! .SS "positional arguments:" .TP FILE List of files to calibrate .SS "optional arguments:" .TP \fB\-h\fR, \fB\-\-help\fR show this help message and exit .TP \fB\-V\fR, \fB\-\-version\fR show program's version number and exit .TP \fB\-o\fR FILE, \fB\-\-out\fR FILE Filename where processed image is saved .TP \fB\-v\fR, \fB\-\-verbose\fR switch to debug/verbose mode .TP \fB\-c\fR FILE, \fB\-\-calibrant\fR FILE Calibrant name or file containing d\-spacing of the reference sample (MANDATORY, case sensitive !) .TP \fB\-w\fR WAVELENGTH, \fB\-\-wavelength\fR WAVELENGTH wavelength of the X\-Ray beam in Angstrom. Mandatory .TP \fB\-e\fR ENERGY, \fB\-\-energy\fR ENERGY energy of the X\-Ray beam in keV (hc=12.398419739640717keV.A). .TP \fB\-P\fR POLARIZATION_FACTOR, \fB\-\-polarization\fR POLARIZATION_FACTOR polarization factor, from \fB\-1\fR (vertical) to +1 (horizontal), default is None (no correction), synchrotrons are around 0.95 .TP \fB\-i\fR FILE, \fB\-\-poni\fR FILE file containing the diffraction parameter (poni\-file). MANDATORY for pyFAI\-recalib! .TP \fB\-b\fR BACKGROUND, \fB\-\-background\fR BACKGROUND Automatic background subtraction if no value are provided .TP \fB\-d\fR DARK, \fB\-\-dark\fR DARK list of comma separated dark images to average and subtract .TP \fB\-f\fR FLAT, \fB\-\-flat\fR FLAT list of comma separated flat images to average and divide .TP \fB\-s\fR SPLINE, \fB\-\-spline\fR SPLINE spline file describing the detector distortion .TP \fB\-D\fR DETECTOR_NAME, \fB\-\-detector\fR DETECTOR_NAME Detector name (instead of pixel size+spline) .TP \fB\-m\fR MASK, \fB\-\-mask\fR MASK file containing the mask (for image reconstruction) .TP \fB\-n\fR NPT, \fB\-\-pt\fR NPT file with datapoints saved. Default: basename.npt .TP \fB\-\-filter\fR FILTER select the filter, either mean(default), max or median .TP \fB\-l\fR DISTANCE, \fB\-\-distance\fR DISTANCE sample\-detector distance in millimeter. Default: 100mm .TP \fB\-\-dist\fR DIST sample\-detector distance in meter. Default: 0.1m .TP \fB\-\-poni1\fR PONI1 poni1 coordinate in meter. Default: center of detector .TP \fB\-\-poni2\fR PONI2 poni2 coordinate in meter. Default: center of detector .TP \fB\-\-rot1\fR ROT1 rot1 in radians. default: 0 .TP \fB\-\-rot2\fR ROT2 rot2 in radians. default: 0 .TP \fB\-\-rot3\fR ROT3 rot3 in radians. default: 0 .TP \fB\-\-fix\-dist\fR fix the distance parameter .TP \fB\-\-free\-dist\fR free the distance parameter. Default: Activated .TP \fB\-\-fix\-poni1\fR fix the poni1 parameter .TP \fB\-\-free\-poni1\fR free the poni1 parameter. Default: Activated .TP \fB\-\-fix\-poni2\fR fix the poni2 parameter .TP \fB\-\-free\-poni2\fR free the poni2 parameter. Default: Activated .TP \fB\-\-fix\-rot1\fR fix the rot1 parameter .TP \fB\-\-free\-rot1\fR free the rot1 parameter. Default: Activated .TP \fB\-\-fix\-rot2\fR fix the rot2 parameter .TP \fB\-\-free\-rot2\fR free the rot2 parameter. Default: Activated .TP \fB\-\-fix\-rot3\fR fix the rot3 parameter .TP \fB\-\-free\-rot3\fR free the rot3 parameter. Default: Activated .TP \fB\-\-fix\-wavelength\fR fix the wavelength parameter. Default: Activated .TP \fB\-\-free\-wavelength\fR free the wavelength parameter. Default: Deactivated .TP \fB\-\-tilt\fR Allow initially detector tilt to be refined (rot1, rot2, rot3). Default: Activated .TP \fB\-\-no\-tilt\fR Deactivated tilt refinement and set all rotation to 0 .TP \fB\-\-saturation\fR SATURATION consider all pixel>max*(1\-saturation) as saturated and reconstruct them, default: 0 (deactivated) .TP \fB\-\-weighted\fR weight fit by intensity, by default not. .TP \fB\-\-npt\fR NPT_1D Number of point in 1D integrated pattern, Default: 1024 .TP \fB\-\-npt\-azim\fR NPT_2D_AZIM Number of azimuthal sectors in 2D integrated images. Default: 360 .TP \fB\-\-npt\-rad\fR NPT_2D_RAD Number of radial bins in 2D integrated images. Default: 400 .TP \fB\-\-unit\fR UNIT Valid units for radial range: 2th_deg, 2th_rad, q_nm^\-1, q_A^\-1, r_mm. Default: 2th_deg .TP \fB\-\-no\-gui\fR force the program to run without a Graphical interface .TP \fB\-\-no\-interactive\fR force the program to run and exit without prompting for refinements .TP \fB\-r\fR, \fB\-\-reconstruct\fR Reconstruct image where data are masked or <0 (for Pilatus detectors or detectors with modules) .TP \fB\-g\fR GAUSSIAN, \fB\-\-gaussian\fR GAUSSIAN Size of the gaussian kernel. Size of the gap (in pixels) between two consecutive rings, by default 100 Increase the value if the arc is not complete; decrease the value if arcs are mixed together. .TP \fB\-\-square\fR Use square kernel shape for neighbor search instead of diamond shape .TP \fB\-p\fR PIXEL, \fB\-\-pixel\fR PIXEL size of the pixel in micron .PP The output of this program is a "PONI" file containing the detector description and the 6 refined parameters (distance, center, rotation) and wavelength. An 1D and 2D diffraction patterns are also produced. (.dat and \&.azim files) .SH "SEE ALSO" The full documentation for .B calibration is maintained as a Texinfo manual. If the .B info and .B calibration programs are properly installed at your site, the command .IP .B info calibration .PP should give you access to the complete manual.