--- /dev/null
+.\" -*- NROFF -*-
+.TH pj2if 1
+
+.SH NAME
+pj2if - convert a projecttion file into an image (IF) file
+
+.SH SYNOPSIS
+.B pj2if in-proj-file out-if-file [OPTIONS]
+
+.SH DESCRIPTION
+\fIpj2if\fP converts \fIin-proj-file\fP, a file of projection data, into
+image (IF) file \fIout-if-file\fP,
+which can be further processed for viewing with \fIif2img\fP.
+
+.SH OPTIONS
+
+.TP
+.B \-\-verbose
+Verbose mode
+.TP
+.B \-\-dump
+Dump all scan data
+.TP
+.B \-\-version
+Print version
+.TP
+.B \-\-help
+Print a terse help message