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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2021-03-06 18:13:34 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2021-03-06 18:13:34 +0000 |
| commit | c3ea5d343ccdc2945b6ee3bc157af66f89433fd9 (patch) | |
| tree | 92b205dfd3fabc835f4594b01d7d175cb1c2c550 | |
| parent | 1200e152f8aa4a8032b66576c010c9d74a7d04a5 (diff) | |
| download | netpbm-mirror-c3ea5d343ccdc2945b6ee3bc157af66f89433fd9.tar.gz netpbm-mirror-c3ea5d343ccdc2945b6ee3bc157af66f89433fd9.tar.xz netpbm-mirror-c3ea5d343ccdc2945b6ee3bc157af66f89433fd9.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@4032 9d0c8265-081b-0410-96cb-a4ca84ce46f8
| -rw-r--r-- | pampaintspill.html | 11 | ||||
| -rw-r--r-- | pnmtopng.html | 18 | ||||
| -rw-r--r-- | ppmspread.html | 26 |
3 files changed, 40 insertions, 15 deletions
diff --git a/pampaintspill.html b/pampaintspill.html index eeb1cac6..43e17ba3 100644 --- a/pampaintspill.html +++ b/pampaintspill.html @@ -2,7 +2,7 @@ <html><head><title>Pampaintspill User Manual</title></head> <body> <h1>pampaintspill</h1> -Updated: 09 February 2020 +Updated: 06 March 2021 <br> <a href="#index">Table Of Contents</a> @@ -17,6 +17,8 @@ pampaintspill - smoothly spill colors into the background [<b>--wrap</b>] [<b>--all</b>] [<b>--downsample</b>=<i>number</i>] [<b>--power</b>=<i>number</i>] [<i>filename</i>] +[<b>-randomseed=</b><i>integer</i>] + <p>Minimum unique abbreviations of option are acceptable. You may use double hyphens instead of single hyphen to denote options. You may use @@ -101,6 +103,13 @@ command line options: the number of paint sources increases. Positive numbers (e.g., 1.0 and 2.0) make the paint sources stand out in the output image by pushing the gradients away from them.</dd> + <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> diff --git a/pnmtopng.html b/pnmtopng.html index 5067dd63..0c605c7f 100644 --- a/pnmtopng.html +++ b/pnmtopng.html @@ -145,14 +145,14 @@ command line options: <dd> This causes <b>pnmtopng</b> to display information about the format of the output file. -<p> +<p> <dt><b>-downscale</b> <dd> This enables <b>pnmtopng</b> to scale maxvalues of more then 65535 to 16 bits. Since this means loss of image data, <b>pnmtopng</b> does not do it by default. -<p> +<p> <dt><b>-interlace</b> <dd> @@ -170,7 +170,7 @@ top, so the displayer could display each row of the image as it arrives and gradually paint down to the bottom. But with an interlaced image, the displayer can start by showing a low-resolution version of the image, then gradually improve the display as more data arrives. -<p> +<p> <dt><b>-alpha=</b><i>filename</i> @@ -182,7 +182,7 @@ in the PNG format. If it can represent the transparency information through a palette, it will do so in order to make a smaller PNG file. <b>pnmtopng</b> even sorts the palette so it can omit the opaque colors from the transparency part of the palette and save space for the palette. -<p> +<p> <dt><b>-transparent=</b><i>color</i> <dd> @@ -216,7 +216,7 @@ color does not appear in the image, there will be no transparency. Causes <b>pnmtopng</b> to create a background color chunk in the PNG output which can be used for subsequent transparency channel or transparent color conversions. Specify <i>color</i> the same as for <b>-transparent</b>. -<p> +<p> <dt><b>-palette=</b><i>palettefile</i> @@ -255,13 +255,13 @@ case of this is when the image is created by simple hardware that doesn't have digital computational ability. Also, some simple programs that generate images from scratch do it with a gamma transfer in which the gamma value is 1.0. -<p> +<p> <dt><b>-hist</b> <dd>Use this parameter to create a chunk that specifies the frequency (or histogram) of the colors in the image. -<p> +<p> <dt><b>-text=</b><i>filename</i> @@ -310,7 +310,7 @@ key for the text string starts with "A" or "T". This odd exception exists for backward compatibility; we don't know why the program was originally designed this way, except that the distinction was meant to roughly identify the keys "Author" and "Title". -<p> +<p> <dt><b>-rgb=</b><i>chroma_list</i> @@ -490,7 +490,7 @@ resulting PNG output is as similar to the Netpbm input as possible. For example, the PNG output will not be paletted and the transparency channel will be represented as a full transparency channel even if the information could be represented more succinctly with a transparency chunk. -<p> +<p> <dt><b>-libversion</b> 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>, |