.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.45.1.
.TH PREFIELD "1" "July 2014" "prefield 1.4.8" "User Commands"
.SH NAME
prefield \-  prepare input file for 'muplot' to plot 2\-d fields by arrows
.SH SYNOPSIS
.B prefield
\fI\,<file> <scale> x y F_x F_y\/\fR
.SH DESCRIPTION
prefield will prepare input file for 'muplot' to plot 2\-d fields by arrows
.PP
Example:
.PP
On running "prefield test.dat 20 1 2 5 6" the source file 'test.dat' will be
read, and a field\-data file will be produced with the 1st and 2nd columns being
the x and y space\-positions like in the source file, whereas the fields F_x
and F_y are calculated from the values in the 5th and 6th columns of the source
data multiplied by the second command line option, which means in this example
a 20\-fold magnification.
.PP
Use '\-' as file name to read from <stdin> and write to <stdout>.
.SH COPYRIGHT
Copyright \(co 1997, 2001, 2005, 2007, 2009, 2011\-2012 Dimitar Ivanov
.PP
License: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.