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+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it!  If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Pnmalias User Manual" 0 "15 March 2004" "netpbm documentation"
+
+.SH NAME
+
+pnmalias - antialias a PNM image
+
+.UN synopsis
+.SH SYNOPSIS
+
+\fBpnmalias\fP
+
+[\fB-bgcolor\fP \fIcolor\fP]
+
+[\fB-fgcolor\fP \fIcolor\fP]
+
+[\fB-bonly\fP]
+
+[\fB-fonly\fP]
+
+[\fB-balias\fP]
+
+[\fB-falias\fP]
+
+[\fB-weight\fP \fIw\fP]
+
+[\fIpnmfile\fP]
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+\fBpnmalias\fP reads a PNM image as input, and applies
+anti-aliasing to background and foreground pixels.  If the input file
+is a PBM, \fBpnmalias\fP promotes the output anti-aliased image to a
+PGM, and prints a message informing the user of the change in format.
+
+.UN options
+.SH OPTIONS
+.PP
+\fB-bgcolor\fP \fIcolorb\fP sets the background color the
+\fIcolorb\fP.
+.PP
+\fB-fgcolor\fP \fIcolorf\fP sets the foreground color to
+\fIcolorf\fP.
+.PP
+Pixels with these values will be anti-aliased.  By default,
+\fBpnmalias\fP takes the background color to be black, and foreground
+color to be white.
+.PP
+Specify the color (\fIcolor\fP) as described for the 
+.UR libppm.html#colorname
+argument of the \fBppm_parsecolor()\fP library routine
+.UE
+\&.
+.PP
+Note that even when dealing with PGMs, background and foreground
+colors need to be specified in the fashion described above.  In this
+case, \fBpnmalias\fP takes the background and foreground pixel values
+to be the value of the red component for the specified color.
+.PP
+\fB-bonly\fP says to apply anti-aliasing only to the background pixels.
+.PP
+\fB-fonly\fP says to apply anti-aliasing only to the foreground pixels.
+.PP
+\fB-balias\fP says to apply anti-aliasing to all pixels surrounding
+background pixels.
+.PP
+\fB-falias\fP says to apply anti-aliasing to all pixels surrounding
+foreground pixels.
+.PP
+If you specify neither \fB-balias\fP nor \fB-falias\fP,
+\fBpnmalias\fP applies anti-aliasing only among neighboring
+background and foreground pixels.
+.PP
+\fB-weight\fP \fIw\fP says to use \fIw\fP as the central weight
+for the aliasing filter.  \fIw\fP must be a real number in the range
+0 < \fIw\fP < 1.  The lower the value of \fIw\fP is, the
+"blurrier" the output image is.  The default is w = 1/3.
+
+.UN seealso
+.SH SEE ALSO
+.BR "pbmtext" (1)\c
+\&,
+.BR "pnmsmooth" (1)\c
+\&,
+.BR "pnm" (5)\c
+\&
+
+.UN author
+.SH AUTHOR
+
+Copyright (C) 1992 by Alberto Accomazzi, Smithsonian Astrophysical Observatory.
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source.  The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/pnmalias.html
+.PP
+\ No newline at end of file