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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2021-01-07 01:35:02 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2021-01-07 01:35:02 +0000 |
| commit | 7fbcb7e0bbba58785ec35f5b6bb01f7f6aee5888 (patch) | |
| tree | b6526b58d321021419c66e32ff23d9f30b089568 /pamstereogram.html | |
| parent | 92ba0e15d9ca554d0e012f50960f80f252a298c5 (diff) | |
| download | netpbm-mirror-7fbcb7e0bbba58785ec35f5b6bb01f7f6aee5888.tar.gz netpbm-mirror-7fbcb7e0bbba58785ec35f5b6bb01f7f6aee5888.tar.xz netpbm-mirror-7fbcb7e0bbba58785ec35f5b6bb01f7f6aee5888.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@4025 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'pamstereogram.html')
| -rw-r--r-- | pamstereogram.html | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/pamstereogram.html b/pamstereogram.html index 759ca28d..ba750179 100644 --- a/pamstereogram.html +++ b/pamstereogram.html @@ -2,9 +2,10 @@ <html><head><title>Pamstereogram User Manual</title></head> <body> <h1>pamstereogram</h1> -Updated: 10 May 2020 -<br> -<a href="#index">Table Of Contents</a> + +<p>Updated: 2 January 2021 + +<p><a href="#index">Table Of Contents</a> <h2>NAME</h2> @@ -78,21 +79,21 @@ image, use <b>pamtopnm</b> on the output. There is no need to convert if you will use the image as input to a current Netpbm program, but many other programs don't know what a PAM is. -<p>To make a red/green type of stereogram (that you view with 3-D +<p>To make a red/cyan type of stereogram (that you view with 3-D glasses) instead, see <b>ppm3d</b>. <h2 id="options">OPTIONS</h2> +<p>You may use either single or double hyphens to denote options. You +may use either whitespace or an equals sign to separate an option name +from its value. + <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>pamstereogram</b> recognizes the following command line options: -<p>You may use either single or double hyphens to denote options. You -may use either whitespace or an equals sign to separate an option name -from its value. - <dl> <dt><b>-verbose</b> @@ -184,7 +185,7 @@ Netpbm 10.61 (December 2012), it has no effect without <b>-texfile</b>. <dt><b>-xshift=</b><i>pixels</i> <dd>Shift the pattern image (designated by <b>-patfile</b>) to the right by <i>pixels</i> pixels (default: 0). -<!-- -xshift is helpful when creating "true-color" stereograms. --> +<p> This option is valid only along with <b>-patfile</b>. <dt><b>-yshift</b> <i>pixels</i> @@ -192,6 +193,17 @@ This option is valid only along with <b>-patfile</b>. downwards by <i>pixels</i> pixels (default: 0). This option is valid only along with <b>-patfile</b>. +<dt><b>-yfillshift</b> <i>pixels</i></dt> +<dd>Shift the pattern image (designated by <b>-patfile</b>) downwards +by <i>pixels</i> pixels (default: 0) but only after the initial +population of the pattern. (If used with <b>-yshift</b> the resulting +shifts are summed.) A small <b>-yfillshift</b> helps reduce visual +artifacts in the 3-D image. Steer's website, referenced under +<a href="#seealso">SEE ALSO</a>, recommends a shift of approximately +1/16" (6–7 pixels at <b>pamstereogram</b>'s default of 100 DPI). + +<p>This option was new in Netpbm 10.94 (March 2021). + <dt><b>-magnifypat=</b><i>scale</i> <dd>Magnify each pixel in the pattern file or each random dot by integral scaling factor <i>scale</i>. Note that |