diff options
Diffstat (limited to 'ppmspread.html')
| -rw-r--r-- | ppmspread.html | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/ppmspread.html b/ppmspread.html index 8ffaf167..e03c3f95 100644 --- a/ppmspread.html +++ b/ppmspread.html @@ -2,7 +2,7 @@ <html><head><title>Ppmspread User Manual</title></head> <body> <h1>ppmspread</h1> -Updated: 20 November 2008 +Updated: 06 March 2021 <br> <a href="#index">Table Of Contents</a> @@ -13,6 +13,8 @@ ppmspread - displace a PPM image's pixels by a random amount <h2 id="synopsis">SYNOPSIS</h2> <b>ppmspread</b> <i>amount</i> [<i>ppmfile</i>] +[<b>-randomseed=</b><i>integer</i>] + <h2 id="description">DESCRIPTION</h2> @@ -33,11 +35,25 @@ identical output. <h2 id="options">OPTIONS</h2> -<p>There are no command line options defined specifically -for <b>ppmspread</b>, but it recognizes the options common to all -programs based on libnetpbm (See <a href="index.html#commonoptions"> -Common Options</a>.) +<p>In addition to the options common to all programs based on libnetpbm +(most notably <b>-quiet</b>, see <a href="index.html#commonoptions"> +Common Options</a>), <b>ppmspread</b> recognizes the following +command line options: + +<dl> + +<dt><b>-randomseed=</b><i>integer</i> + +<dd>This is the seed for the random number generator that generates the +pixels. + +<p>Use this to ensure you get the same image on separate invocations. + +<p>This option was new in Netpbm 10.94 (March 2021). + +</dl> + <h2 id="seealso">SEE ALSO</h2> <a href="ppm.html">ppm</a>, |