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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2010-12-14 03:03:45 +0000 |
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| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2010-12-14 03:03:45 +0000 |
| commit | e76369425f43af492f9f9437b0a35ad911ab6a97 (patch) | |
| tree | 60125f52a8adab3d85e597bec365cffa5f4908a2 | |
| parent | 166c8e2aa6daf2d364f1af0834ac5f030ed064db (diff) | |
| download | netpbm-mirror-e76369425f43af492f9f9437b0a35ad911ab6a97.tar.gz netpbm-mirror-e76369425f43af492f9f9437b0a35ad911ab6a97.tar.xz netpbm-mirror-e76369425f43af492f9f9437b0a35ad911ab6a97.zip | |
miscellaneous update
git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@1376 9d0c8265-081b-0410-96cb-a4ca84ce46f8
| -rw-r--r-- | directory.html | 3 | ||||
| -rw-r--r-- | pammosaicknit.html | 104 |
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diff --git a/directory.html b/directory.html index a3feef44..c19f49ac 100644 --- a/directory.html +++ b/directory.html @@ -973,6 +973,9 @@ These all work on the Netpbm formats as input. <DT><B><a href=pamtilt.html>pamtilt</a></B> <DD>Measure the tilt of an image, i.e. document skew +<DT><B><a href=pammosaicknit.html>pammosaicknit</a></B> +<DD>Validate a mosaic knitting pattern + </DL> diff --git a/pammosaicknit.html b/pammosaicknit.html new file mode 100644 index 00000000..eb028a55 --- /dev/null +++ b/pammosaicknit.html @@ -0,0 +1,104 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<title>Pammosaicknit User Manual</title> +<meta http-equiv="content-type" content="text/html; charset=us-ascii" /> +</head> + +<body> + +<h1>pammosaicknit</h1> + +<p>Updated: 12 December 2010</p> + +<p><a href="#contents">Table Of Contents</a></p> + +<h2 id="name">NAME</h2> + +<p>pammosaicknit - validate a mosaic knitting pattern</p> + + +<h2 id="synopsis">SYNOPSIS</h2> + +<p><b>pammosaicknit</b> [<i>in_netpbmfile</i>]</p> + +<h2 id="description">DESCRIPTION</h2> + +<p>This program is part of <a href="index.html">Netpbm</a>.</p> + +<p><b>pammosaicknit</b> helps the user create +<a href="http://en.wikipedia.org/wiki/Slip-stitch_knitting#Mosaic_knitting">mosaic +knitting patterns</a>. The program inputs a black-and-white Netpbm image that +describes a mosaic knitting pattern and outputs a color Netpbm image of the +same pattern but with invalid runs shown in red.</p> + +<p>A valid knitting pattern starts with a <q>black</q> row on the +bottom and alternates <q>white</q> and <q>black</q> +rows. A <q>black</q> row can contain any arrangement of black pixels +but no more than three consecutive white pixels. A <q>white</q> row +can contain any arrangement of white pixels but no more than three +consecutive black pixels. Columns wrap horizontally, so a <q>white</q> +row that both begins and ends with two black pixels is deemed to +contain four consecutive black pixels. Because this is an invalid +number for a <q>white</q> row, those four pixels will be recolored red +in the output image.</p> + +<p>For clarity, there are two shades of red in the output image. Dark +red pixels indicate pixels that were black in the input image but +which must contain one or more white pixels. Light red pixels indicate +pixels that were white in the input image but which must contain one +or more black pixels.</p> + +<p>If the output image contains no red pixels, then the input image +represents a valid mosaic knitting pattern.</p> + + +<h2 id="arguments">ARGUMENTS</h2> + +<p><b>pammosaicknit</b>'s only argument, +<i>in_netpbmfile</i>, is the name of an image file that represents a mosaic +knitting pattern. If you don't specify +<i>in_netpbmfile</i>, the program reads the image from Standard Input.</p> + + +<h2 id="notes">NOTES</h2> + +<p>If the input image is not a black-and-white image, <b>pammosaicknit</b> +converts it internally to black and white by thresholding each pixel's +luminosity. The output image is always a color image containing at most four +colors (black, white, dark red, light red).</p> + + +<h2 id="see_also">SEE ALSO</h2> + +<ul> +<li><a href="pam.html">pam</a></li> +</ul> + +<h2 id="history">HISTORY</h2> + +<p>pammosaicknit was new in Netpbm 10.53 (December 2010).</p> + + +<h2 id="author">AUTHOR</h2> + +<p>Copyright (C) 2010 Scott Pakin, +<a href="mailto:scott+pbm@pakin.org.">scott+pbm@pakin.org.</a></p> + + +<h2><a id="contents">Table Of Contents</a></h2> + +<ul> +<li><a href="#synopsis">SYNOPSIS</a></li> +<li><a href="#description">DESCRIPTION</a></li> +<li><a href="#arguments">ARGUMENTS</a></li> +<li><a href="#notes">NOTES</a></li> +<li><a href="#see_also">SEE ALSO</a></li> +<li><a href="#history">HISTORY</a></li> +<li><a href="#author">AUTHOR</a></li> +</ul> + +</body> +</html> + |