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  1. <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>3.6.¬† Slur</title>
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  12.     <link rel="start" href="index.html" title="GNU Image Manipulation Program" />
  13.     <link rel="up" href="filters-noise.html" title="3.¬† Noise Filters" />
  14.     <link rel="prev" href="plug-in-hsv-noise.html" title="3.5.¬† Scatter HSV" />
  15.     <link rel="next" href="plug-in-spread.html" title="3.7.¬† Spread" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">3.6.¬†
  22.     <span lang="en" xml:lang="en">Slur</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="plug-in-hsv-noise.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">3.¬†
  28.     <span lang="en" xml:lang="en">Noise Filters</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="plug-in-spread.html"><img src="../images/next.png" alt="Next" /></a></td>
  31.         </tr>
  32.       </table>
  33.       <hr />
  34.     </div>
  35.     <div class="sect2" lang="en" xml:lang="en">
  36.       <div class="titlepage">
  37.         <div>
  38.           <div>
  39.             <h3 class="title"><a id="plug-in-randomize-slur"></a>3.6.¬†
  40.     <span lang="en" xml:lang="en">Slur</span>
  41.   </h3>
  42.           </div>
  43.           <div>
  44.             <div class="revhistory">
  45.               <table border="1" width="100%" summary="Revision history">
  46.                 <tr>
  47.                   <th align="left" valign="top" colspan="3">
  48.                     <b>Revision History</b>
  49.                   </th>
  50.                 </tr>
  51.                 <tr>
  52.                   <td align="left">Revision $Revision: 2350 $</td>
  53.                   <td align="left">2006-11-19</td>
  54.                   <td align="left">j.h</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2734449" class="indexterm"></a>
  62.       <a id="id2734467" class="indexterm"></a>
  63.       <div class="sect3" lang="en" xml:lang="en">
  64.         <div class="titlepage">
  65.           <div>
  66.             <div>
  67.               <h4 class="title"><a id="id2734476"></a>3.6.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2734486"></a>
  75.           <p class="title">
  76.             <b>Figure¬†16.27.¬†
  77.         <span lang="en" xml:lang="en">Example of applying the Slur filter</span>
  78.       </b>
  79.           </p>
  80.           <div class="figure-contents">
  81.             <div class="mediaobject">
  82.               <img src="../images/filters/examples/taj_orig.jpg" alt="Example of applying the Slur filter" />
  83.               <div class="caption">
  84.                 <p>Original image</p>
  85.               </div>
  86.             </div>
  87.             <div class="mediaobject">
  88.               <img src="../images/filters/examples/noise-taj-slur.jpg" alt="Example of applying the Slur filter" />
  89.               <div class="caption">
  90.                 <p>Filter ‚Äú<span class="quote">Slur</span>‚Äù applied</p>
  91.               </div>
  92.             </div>
  93.           </div>
  94.         </div>
  95.         <br class="figure-break" />
  96.         <p>
  97.       You can find this filter through
  98.       <span class="guimenu">Filters</span> ‚Üí <span class="guisubmenu">Noise</span> ‚Üí <span class="guimenuitem"><span class="accel">S</span>lur</span>.
  99.     </p>
  100.         <p>
  101.       Slurring produces an effect resembling melting the image downwards; if a
  102.       pixel is to be slurred, there is an 80% chance that it is replaced by
  103.       the value of a pixel directly above it; otherwise, one of the two pixels
  104.       to the left or right of the one above is used. All or only some pixels
  105.       in an active layer or selection are affected, the percentage of affected
  106.       pixels is determined by the <span class="guilabel">Randomization (%)</span>
  107.       option.
  108.     </p>
  109.       </div>
  110.       <div class="sect3" lang="en" xml:lang="en">
  111.         <div class="titlepage">
  112.           <div>
  113.             <div>
  114.               <h4 class="title"><a id="id2734605"></a>3.6.2.¬†
  115.       <span lang="en" xml:lang="en">Options</span>
  116.     </h4>
  117.             </div>
  118.           </div>
  119.         </div>
  120.         <div class="figure">
  121.           <a id="id2734616"></a>
  122.           <p class="title">
  123.             <b>Figure¬†16.28.¬†
  124.         <span lang="en" xml:lang="en">Slur filter options</span>
  125.       </b>
  126.           </p>
  127.           <div class="figure-contents">
  128.             <div class="mediaobject">
  129.               <img src="../images/filters/options-noise-slur.png" alt="Slur filter options" />
  130.             </div>
  131.           </div>
  132.         </div>
  133.         <br class="figure-break" />
  134.         <div class="variablelist">
  135.           <dl>
  136.             <dt>
  137.               <span class="term">Random Seed</span>
  138.             </dt>
  139.             <dd>
  140.               <p>
  141.             <span class="guilabel">Random Seed</span> controls randomness of slurring.
  142.             If the same random seed in the same situation is used, the filter
  143.             produces exactly the same results. A different random seed
  144.             produces different results. Random seed can be entered manually
  145.             or generated randomly by pressing <span class="guibutton">New Seed</span>
  146.             button.
  147.           </p>
  148.               <p>
  149.             When the <span class="guilabel">Randomize</span> option is checked, random
  150.             seed cannot be entered manually, but is randomly generated each
  151.             time the filter is run. If it is not checked, the filter remembers
  152.             the last random seed used.
  153.           </p>
  154.             </dd>
  155.             <dt>
  156.               <span class="term">Randomization (%)</span>
  157.             </dt>
  158.             <dd>
  159.               <p>
  160.             The <span class="guilabel">Randomization</span> slider represents the
  161.             percentage of pixels of the active layer or selection which will
  162.             be slurred. The higher value, the more pixels are slurred, but
  163.             because of the way the filter works, its effect is most noticeable
  164.             if this slider is set to a medium value, somewhere around 50.
  165.             Experiment with it and try for yourself!
  166.           </p>
  167.             </dd>
  168.             <dt>
  169.               <span class="term">Repeat</span>
  170.             </dt>
  171.             <dd>
  172.               <p>
  173.             The <span class="guilabel">Repeat</span> slider represents the number
  174.             of times the filter will be applied. Higher values result in
  175.             more slurring, moving the color over a longer distance.
  176.           </p>
  177.             </dd>
  178.           </dl>
  179.         </div>
  180.       </div>
  181.     </div>
  182.     <div class="navfooter">
  183.       <hr />
  184.       <table width="100%" summary="Navigation footer">
  185.         <tr>
  186.           <td width="40%" align="left"><a accesskey="p" href="plug-in-hsv-noise.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  187.           <td width="20%" align="center">
  188.             <a accesskey="u" href="filters-noise.html">
  189.               <img src="../images/up.png" alt="Up" />
  190.             </a>
  191.           </td>
  192.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-spread.html"><img src="../images/next.png" alt="Next" /></a></td>
  193.         </tr>
  194.         <tr>
  195.           <td width="40%" align="left" valign="top"><a accesskey="p" href="plug-in-hsv-noise.html">3.5.¬†
  196.     <span lang="en" xml:lang="en">Scatter HSV</span>
  197.   </a>¬†</td>
  198.           <td width="20%" align="center">
  199.             <a accesskey="h" href="index.html">
  200.               <img src="../images/home.png" alt="Home" />
  201.             </a>
  202.           </td>
  203.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-spread.html">3.7.¬†
  204.     <span lang="en" xml:lang="en">Spread</span>
  205.   </a></td>
  206.         </tr>
  207.       </table>
  208.     </div>
  209.   </body>
  210. </html>
  211.