-.\" -*- NROFF -*-
-.TH pjrec 1
-
-.SH NAME
-pjrec - reconstruction from raysum projections
-
-.SH SYNOPSIS
-.B pjrec projection-file image-file nx-image ny-image [OPTIONS]
-
-.SH DESCRIPTION
-\fIpjrec\fP takes projection data from \fIraysum-file\P and produces an
+.\" -*- nroff -*-
+.Dd May 2, 2002
+.Dt PJREC 1
+.Os
+.Sh NAME
+.Nm pjrec
+.Nd reconstruction image from projections
+.Sh SYNOPSIS
+.Nm pjrec projection-file image-file nx-image ny-image [OPTIONS]
+.Sh DESCRIPTION
+.Nm
+takes projection data from \fIprojection-file\fP and produces an
(IF) image file \fIimage-file\fP, of size \fInx-image\fP by
\fIny-image\fP pixels, containing the reconstructed image.
-
-.SH OPTIONS
-\fIpjrec\fP accepts the following options, which control the
+.Sh OPTIONS
+.Nm accepts the following options, which control the
reconstruction algorithm:
.TP 12
.B \-\-interp
.TP 12
.B console
Text level tracing
-.TP 12
-.B phantom
-Trace phantom
-.TP 12
-.B proj
-Trace allrays
-.TP 12
-.B plot
-Trace plotting
-.TP 12
-.B clipping
-Trace clipping
.RE
.TP 12
.B \-\-verbose Turn on verbose mode
.B \-\-help Print a terse help message
.SH AUTHORS
-Kevin Rosenberg, M.D. <kevin@rosenberg.net>
+Kevin Rosenberg, M.D. <kevin@ctsim.org>
.SH HISTORY
-\fIpjrec\fP
-was first written in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to GNU/Linux.
+CTSim was begun 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), if2 (1), ifexport (1), phm2pj (1), phm2if (1), pj2if (1), pjinfo (1)