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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML><HEAD><TITLE>Manpage of FAX2PS</TITLE>
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</HEAD><BODY BGCOLOR=WHITE><FONT FACE="helvetica, sans, arial">
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<H1>FAX2PS</H1>
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Section: User Commands (1)<BR>Updated: March 16, 1995<BR><A HREF="#index">Index</A>
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<BR><A HREF="index.html">Return to Main Contents</A>
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<HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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fax2ps - convert a
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<FONT SIZE="-1">TIFF</FONT>
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facsimile to compressed P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT>tm
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>fax2ps</B>
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[
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<I>options</I>
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] [
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<I>file</I>...
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]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<I>fax2ps</I>
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reads one or more
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<FONT SIZE="-1">TIFF</FONT>
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facsimile image files and prints a compressed form of
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P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> on the standard output that is suitable for printing.
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<P>
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By default, each page is scaled to reflect the
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image dimensions and resolutions stored in the file.
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The
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<B>-x</B>
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and
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<B>-y</B>
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options can be used to specify the horizontal and vertical
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image resolutions (lines/inch), respectively.
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If the
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<B>-S</B>
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option is specified, each page is scaled to fill an output page.
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The default output page is 8.5 by 11 inches.
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Alternate page dimensions can be specified in inches with the
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<B>-W</B>
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and
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<B>-H</B>
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options.
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<P>
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By default
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<I>fax2ps</I>
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generates P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> for all pages in the file.
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The
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<B>-p</B>
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option can be used to select one or more pages from
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a multi-page document.
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<P>
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<I>fax2ps</I>
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generates a compressed form of P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> that is
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optimized for sending pages of text to a P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT>
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printer attached to a host through a low-speed link (such
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as a serial line).
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Each output page is filled with white and then only
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the black areas are drawn.
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The P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> specification of the black drawing operations
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is optimized by using a special font that encodes the
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move-draw operations required to fill
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the black regions on the page.
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This compression scheme typically results in a substantially
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reduced P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> description, relative to the straightforward
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imaging of the page with a P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT>
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<I>image</I>
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operator.
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This algorithm can, however, be ineffective
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for continuous-tone and white-on-black images.
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For these images, it sometimes is more efficient to send
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the raster bitmap image directly; see
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<I><A HREF="tiff2ps+1.html">tiff2ps</A></I>(1).
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<DL COMPACT>
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<DT><B>-p</B><I> number</I>
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<DD>
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Print only the indicated page.
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Multiple pages may be printed by specifying
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this option more than once.
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<DT><B>-x</B><I> resolution</I>
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<DD>
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Use
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<I>resolution</I>
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as the horizontal resolution, in dots/inch, of the image data.
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By default this value is taken from the file.
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<DT><B>-y</B><I> resolution</I>
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<DD>
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Use
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<I>resolution</I>
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as the vertical resolution, in lines/inch, of the image data.
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By default this value is taken from the file.
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<DT><B>-S</B>
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<DD>
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Scale each page of image data to fill the output page dimensions.
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By default images are presented according to the dimension
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information recorded in the
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<FONT SIZE="-1">TIFF</FONT>
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file.
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<DT><B>-W</B><I> width</I>
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<DD>
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Use
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<I>width</I>
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as the width, in inches, of the output page.
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The default page width is 8.5 inches.
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<DT><B>-H</B><I> height</I>
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<DD>
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Use
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<I>height</I>
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as the height, in inches, of the output page.
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The default page height is 11 inches.
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</DL>
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<A NAME="lbAF"> </A>
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<H2>DIAGNOSTICS</H2>
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Some messages about malformed
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<FONT SIZE="-1">TIFF</FONT>
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images come from the
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<FONT SIZE="-1">TIFF</FONT>
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library.
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<P>
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Various messages about badly formatted facsimile images
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may be generated due to transmission errors in received
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facsimile.
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<I>fax2ps</I>
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attempts to recover from such data errors by resynchronizing
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decoding at the end of the current scanline.
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This can result in long horizontal black lines in the resultant
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P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> image.
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<A NAME="lbAG"> </A>
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<H2>NOTES</H2>
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If the destination printer supports P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> Level II then
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it is always faster to just send the encoded bitmap generated
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by the
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<I><A HREF="tiff2ps+1.html">tiff2ps</A></I>(1)
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program.
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<A NAME="lbAH"> </A>
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<H2>BUGS</H2>
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<I>fax2ps</I>
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should probably figure out when it is doing a poor
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job of compressing the output and just generate
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P<FONT SIZE="-2">OST</FONT>S<FONT SIZE="-2">CRIPT</FONT> to image the bitmap raster instead.
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<A NAME="lbAI"> </A>
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<H2>SEE ALSO</H2>
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<I><A HREF="tiff2ps+1.html">tiff2ps</A></I>(1),
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<I><A HREF="libtiff+3">libtiff</A></I>(3)
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT><A HREF="#lbAB">NAME</A><DD>
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<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT><A HREF="#lbAE">OPTIONS</A><DD>
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<DT><A HREF="#lbAF">DIAGNOSTICS</A><DD>
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<DT><A HREF="#lbAG">NOTES</A><DD>
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<DT><A HREF="#lbAH">BUGS</A><DD>
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<DT><A HREF="#lbAI">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="index.html">man2html</A>,
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using the manual pages.<BR>
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Time: 01:31:47 GMT, November 23, 1999
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</BODY>
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</HTML>
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