File diffractotron.1 of Package crystfel-extra

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File diffractotron.1 of Package crystfel-extra (Revision f552a4475d10423922563566e0b3abd2)

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.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.43.3.
.TH DIFFRACTOTRON "1" "October 2013" "diffractotron 0.0.6" "User Commands"
.SH NAME
diffractotron \- a CrystFEL program to simulate small crystal XFEL diffraction pattens
.SH DESCRIPTION
Syntax: diffractotron/diffractotron [options]
.PP
Simulate diffraction patterns from small crystals probed with femtosecond
pulses of X\-rays from a free electron laser.
.TP
\fB\-h\fR, \fB\-\-help\fR
Display the help message.
.TP
\fB\-p\fR, \fB\-\-pdb=\fR<file>
PDB file from which to get the atomic coordinates.
.TP
\fB\-\-gpu\fR
Use the GPU to speed up the calculation.
.TP
\fB\-\-gpu\-dev=\fR<n>
Use GPU device <n>.  Omit this option to see the
available devices.
.TP
\fB\-g\fR, \fB\-\-geometry=\fR<file>
Get detector geometry from file.
.TP
\fB\-b\fR, \fB\-\-beam=\fR<file>
Get beam parameters from file.
.TP
\fB\-n\fR, \fB\-\-number=\fR<N>
Generate N images.  Default 1.
.TP
\fB\-\-no\-images\fR
Do not output any HDF5 files.
.TP
\fB\-o\fR, \fB\-\-output=\fR<filename>
Output HDF5 filename.  Default: sim.h5.
If you choose to simulate more than one pattern,
the filename given will be postfixed with a
hyphen, the image number and '.h5'.  In this
case, the default value is 'sim', such that the
files produced are sim\-1.h5, sim\-2.h5 and so on.
.TP
\fB\-r\fR, \fB\-\-random\-orientation\fR
Use a randomly generated orientation
(a new orientation will be used for each image).
.TP
\fB\-\-powder=\fR<file>
Write a summed pattern of all images simulated by
this invocation as the given filename.
.TP
\fB\-\-really\-random\fR
Use really random numbers for the orientation and
crystal size.  By default, the same sequence
will be used for each new run.
.PP
By default, the simulation aims to be as accurate as possible.  For greater
speed, or for testing, you can choose to disable certain things using the
following options.
.TP
\fB\-\-no\-noise\fR
Do not calculate Poisson noise.

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File diffractotron.1 of Package crystfel-extra (Revision f552a4475d10423922563566e0b3abd2)

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