diff options
| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-12-25 03:06:05 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2006-12-25 03:06:05 +0000 |
| commit | 1017cbebe5d5edd859e0fddad0a8600f509f4821 (patch) | |
| tree | 78bdf336648566f7a7d55f42837357dea3dd674c /rletopnm.html | |
| parent | 16f2ac126651015a376eba864a3a35f738b0b25a (diff) | |
| download | netpbm-mirror-1017cbebe5d5edd859e0fddad0a8600f509f4821.tar.gz netpbm-mirror-1017cbebe5d5edd859e0fddad0a8600f509f4821.tar.xz netpbm-mirror-1017cbebe5d5edd859e0fddad0a8600f509f4821.zip | |
Place user guide into Subversion repository
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@181 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'rletopnm.html')
| -rw-r--r-- | rletopnm.html | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/rletopnm.html b/rletopnm.html new file mode 100644 index 00000000..f1520cf7 --- /dev/null +++ b/rletopnm.html @@ -0,0 +1,147 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML><HEAD><TITLE>Rletopnm User Manual</TITLE></HEAD> +<BODY> +<H1>RLETOPNM</H1> +Updated: 13 April 2000 +<BR> +<A HREF="#index">Table Of Contents</A> +<H2>NAME</H2> + +rletopnm - convert a Utah Raster Tools RLE image file to a PNM image file. + +<H2 id="synopsis">SYNOPSIS</H2> + +<B>rletopnm</B> + +[<B>--alphaout=</B>{<I>alpha-filename</I>,<B>-</B>}] +[<B>--headerdump</B>|<B>-h</B>] + +[<B>--verbose</B>|<B>-v</B>] + +[<I>rlefile</I>|<B>-</B>] + +<P>All options may be abbreviated to their minimum unique abbreviation +and options and arguments may be in any order. + +<H2 id="description">DESCRIPTION</H2> + +<p>This program is part of <a href="index.html">Netpbm</a>. + +<p><b>rletopnm</b> converts Utah Raster Toolkit RLE image files to PNM +image files. <B>rletopnm</B> handles four types of RLE files: +Grayscale (8 bit data, no color map), Pseudocolor (8 bit data with a +color map), Truecolor (24 bit data with color map), and Directcolor +(24 bit data, no color map). <B>rletopnm</B> generates a PPM file for +all these cases except for the Grayscale file, for which +<B>rletopnm</B> generates a PGM file. + +<P><I>rlefile</I> is the RLE input file. If it is absent or <B>-</B>, +the input comes from Standard Input. + +<H2 id="options">OPTIONS</H2> + +<DL COMPACT> +<DT><B>--alphaout=</B><I>alpha-filename</I> + +<DD> +<B>rletopnm </B> creates a PGM (portable graymap) file containing the +alpha channel values in the input image. If the input image doesn't +contain an alpha channel, the <I>alpha-filename</I> file contains all +zero (transparent) alpha values. If you don't specify +<B>--alphaout</B>, <B>rletopnm</B> does not generate an alpha file, +and if the input image has an alpha channel, <B>rletopnm</B> simply +discards it. + +<P>If you specify <B>-</B> as the filename, <B>rletopnm</B> writes the +alpha output to Standard Output and discards the image. + +<P>See <B><A HREF="pamcomp.html">pamcomp</A></B> for one way to use +the alpha output file. + +<DT><B>--verbose</B> + +<DD>This option causes <B>rletopnm </B> to operate in verbose mode. +It prints messages about what it's doing, including the contents of +the RLE image header, to Standard Error. + +<DT><B>--headerdump</B> + +<DD>This option causes <B>rletopnm</B> to operate in header dump mode. +It prints the contents of the RLE image header to Standard Error, but +does not produce any other output. + +</DL> + +<H2 id="examples">EXAMPLES</H2> + +<ul> +<li>While running in verbose mode, convert lenna.rle to PPM format and +store the resulting image as lenna.ppm: + +<pre> +<kbd> + rletopnm --verbose lenna.rle >lenna.ppm +</kbd> +</pre> + +<li>Dump the header information of the RLE file called file.rle: + +<pre> +<kbd> + rletopnm --headerdump file.rle +</kbd> +</pre> + +<li>Convert RLE file dart.rle to PPM format as dart.ppm. Store the +alpha channel of dart.rle as dartalpha.pgm (if dart.rle doesn't have +an alpha channel, store a fully transparent alpha mask as +dartalpha.pgm): + +<pre> +<kbd> + rletopnm --alphaout=dartalpha.pgm dart.rle >dart.ppm +</kbd> +</pre> + +</ul> + +<H2 id="seealso">SEE ALSO</H2> + +<B><A HREF="pnmtorle.html">pnmtorle</A></B>, + +<B><A HREF="pnmconvol.html">pnmconvol</A></B>, + +<B><A HREF="pnm.html">pnm</A></B>, + +<B><A HREF="ppm.html">ppm</A></B>, + +<B><A HREF="pgm.html">pgm</A></B>, + +<H2 id="author">AUTHOR</H2> + +Wes Barris +<BR> + +Army High Performance Computing Research Center (AHPCRC) +<BR> + +Minnesota Supercomputer Center, Inc. + +<P>Modifications by Eric Haines to support raw and plain formats. + +<P>Modifications by Bryan Henderson to create alpha files and use +mnemonic options. + +<HR> +<A NAME="index"> </A> +<H2>Table Of Contents</H2> +<UL> +<LI><A HREF="#synopsis">SYNOPSIS</A> +<LI><A HREF="#description">DESCRIPTION</A> +<LI><A HREF="#options">OPTIONS</A> +<LI><A HREF="#examples">EXAMPLES</A> +<LI><A HREF="#seealso">SEE ALSO</A> +<LI><A HREF="#author">AUTHOR</A> +</UL> +</BODY> +</HTML> |