gmx-saxs - Compute small angle X-ray scattering spectra
Contents
Copyright
2023, GROMACS development team
2023.3 Oct 19, 2023 GMX-SAXS(1)
Description
gmxsaxs calculates SAXS structure factors for given index groups based on Cromer's method. Both
topology and trajectory files are required.
Name
gmx-saxs - Compute small angle X-ray scattering spectra
Options
Options to specify input files:
-f[<.xtc/.trr/...>](traj.xtc)
Trajectory: xtctrrcptgrog96pdbtng-s[<.tpr/.gro/...>](topol.tpr)
Structure+mass(db): tprgrog96pdb brk ent
-n[<.ndx>](index.ndx)(Optional)
Index file
-d[<.dat>](sfactor.dat)(Optional)
Generic data file
Options to specify output files:
-sq[<.xvg>](sq.xvg)
xvgr/xmgr file
Other options:
-b<time>(0)
Time of first frame to read from trajectory (default unit ps)
-e<time>(0)
Time of last frame to read from trajectory (default unit ps)
-dt<time>(0)
Only use frame when t MOD dt = first time (default unit ps)
-xvg<enum>(xmgrace)
xvg plot formatting: xmgrace, xmgr, none
-ng<int>(1)
Number of groups to compute SAXS
-startq<real>(0)
Starting q (1/nm)
-endq<real>(60)
Ending q (1/nm)
-energy<real>(12)
Energy of the incoming X-ray (keV)
See Also
gmx(1) More information about GROMACS is available at <http://www.gromacs.org/>.
Synopsis
gmx saxs [-f[<.xtc/.trr/...>]] [-s[<.tpr/.gro/...>]] [-n[<.ndx>]]
[-d[<.dat>]] [-sq[<.xvg>]] [-b<time>] [-e<time>]
[-dt<time>] [-xvg<enum>] [-ng<int>] [-startq<real>]
[-endq<real>] [-energy<real>]
