.\"  -*- NROFF -*-
.TH if2 1

.SH NAME
if2 - binary operations between two image (IF) files.

.SH SYNOPSIS
.B if2 infile1 infile2  outfile [OPTIONS]

.SH DESCRIPTION 
\fIif2\fP 
performs binary functions on two input IF image files.

.SH OPTIONS
\fIif2\fP
accepts the following options:
.TP 16
.B \-\-add
Add infile1 and infile2.

.TP 16
.B \-\-sub
Subtract infile2 from infile1.

.TP 16 
.B \-\-mul 
Multiply images.

.TP 16
.B \-\-comp 
Compare images.

.TP 16
.B \-\-column-plot \fIn\fP
Plot column.

.TP 16
.B \-\-row-plot \fIn\fP
Plot row.

.TP 16
.B \-\-verbose
Verbose mode.

.TP 16 
.B \-\-version
Print version.

.TP 16 
.B \-\-help
Print terse help summary

.SH AUTHORS
Kevin Rosenberg, M.D. <kevin@rosenberg.net>

.SH HISTORY
.Nm if2
was first written in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to GNU/Linux and later ported to Microsoft Windows.

.SH SEE ALSO
.BR ctsim (1), ifinfo (1), if1 (1), ifexport (1), phm2pj (1), phm2if (1), pj2if (1), pjinfo (1), pjrec (1)