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  4.   <head>
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  6.     <title>3.4.¬† Pick</title>
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  13.     <link rel="up" href="filters-noise.html" title="3.¬† Noise Filters" />
  14.     <link rel="prev" href="plug-in-rgb-noise.html" title="3.3.¬† RGB Noise" />
  15.     <link rel="next" href="plug-in-hsv-noise.html" title="3.5.¬† Scatter HSV" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">3.4.¬†
  22.     <span lang="en" xml:lang="en">Pick</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="plug-in-rgb-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-hsv-noise.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-pick"></a>3.4.¬†
  40.     <span lang="en" xml:lang="en">Pick</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: 2442 $</td>
  53.                   <td align="left">2006-11-16</td>
  54.                   <td align="left">j.h</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2733731" class="indexterm"></a>
  62.       <a id="id2733749" 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="id2733758"></a>3.4.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2733769"></a>
  75.           <p class="title">
  76.             <b>Figure¬†16.23.¬†
  77.         <span lang="en" xml:lang="en">
  78.           Example of applying the ‚Äú<span class="quote">Pick</span>‚Äù filter
  79.         </span>
  80.       </b>
  81.           </p>
  82.           <div class="figure-contents">
  83.             <div class="mediaobject">
  84.               <img src="../images/filters/examples/taj_orig.jpg" alt="Example of applying the Pick filter" />
  85.               <div class="caption">
  86.                 <p>Original image</p>
  87.               </div>
  88.             </div>
  89.             <div class="mediaobject">
  90.               <img src="../images/filters/examples/noise-taj-pick.jpg" alt="Example of applying the Pick filter" />
  91.               <div class="caption">
  92.                 <p>Filter ‚Äú<span class="quote">Pick</span>‚Äù applied</p>
  93.               </div>
  94.             </div>
  95.           </div>
  96.         </div>
  97.         <br class="figure-break" />
  98.         <p>
  99.       You can find this filter through
  100.       <span class="guimenu">Filters</span> ‚Üí <span class="guisubmenu">Noise</span> ‚Üí <span class="guimenuitem"><span class="accel">P</span>ick</span>.
  101.     </p>
  102.         <p>
  103.       The Pick filter replaces each affected pixel by a pixel value randomly
  104.       chosen from its eight neighbours and itself (from a 3√ó3 square the pixel
  105.       is center of). All or only some pixels in an active layer or selection
  106.       are affected, the percentage of affected pixels is determined by the
  107.       <span class="guilabel">Randomization (%)</span> 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="id2733896"></a>3.4.2.¬†
  115.       <span lang="en" xml:lang="en">Options</span>
  116.     </h4>
  117.             </div>
  118.           </div>
  119.         </div>
  120.         <div class="figure">
  121.           <a id="id2733906"></a>
  122.           <p class="title">
  123.             <b>Figure¬†16.24.¬†
  124.         <span lang="en" xml:lang="en">
  125.           ‚Äú<span class="quote">Pick</span>‚Äù filter options
  126.         </span>
  127.       </b>
  128.           </p>
  129.           <div class="figure-contents">
  130.             <div class="mediaobject">
  131.               <img src="../images/filters/options-noise-pick.png" alt="Pick filter options" />
  132.             </div>
  133.           </div>
  134.         </div>
  135.         <br class="figure-break" />
  136.         <div class="variablelist">
  137.           <dl>
  138.             <dt>
  139.               <span class="term">Random Seed</span>
  140.             </dt>
  141.             <dd>
  142.               <p>
  143.             <span class="guilabel">Random Seed</span> controls randomness of picking.
  144.             If the same random seed in the same situation is used, the filter
  145.             produces exactly the same results. A different random seed
  146.             produces different results. Random seed can be entered manually
  147.             or generated randomly by pressing <span class="guibutton">New Seed</span>
  148.             button.
  149.           </p>
  150.               <p>
  151.             When the <span class="guilabel">Randomize</span> option is checked, random
  152.             seed cannot be entered manually, but is randomly generated each
  153.             time the filter is run. If it is not checked, the filter remembers
  154.             the last random seed used.
  155.           </p>
  156.             </dd>
  157.             <dt>
  158.               <span class="term">Randomization (%)</span>
  159.             </dt>
  160.             <dd>
  161.               <p>
  162.             The <span class="guibutton">Randomization</span> slider represents the
  163.             percentage of pixels of the active layer or selection which will
  164.             be picked. The higher value, the more pixels are picked.
  165.           </p>
  166.             </dd>
  167.             <dt>
  168.               <span class="term">Repeat</span>
  169.             </dt>
  170.             <dd>
  171.               <p>
  172.             The <span class="guibutton">Repeat</span> slider represents the number
  173.             of times the filter will be applied. Higher values result in
  174.             more picking, pixel values being transferred farther away.
  175.           </p>
  176.             </dd>
  177.           </dl>
  178.         </div>
  179.       </div>
  180.     </div>
  181.     <div class="navfooter">
  182.       <hr />
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  184.         <tr>
  185.           <td width="40%" align="left"><a accesskey="p" href="plug-in-rgb-noise.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  186.           <td width="20%" align="center">
  187.             <a accesskey="u" href="filters-noise.html">
  188.               <img src="../images/up.png" alt="Up" />
  189.             </a>
  190.           </td>
  191.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-hsv-noise.html"><img src="../images/next.png" alt="Next" /></a></td>
  192.         </tr>
  193.         <tr>
  194.           <td width="40%" align="left" valign="top"><a accesskey="p" href="plug-in-rgb-noise.html">3.3.¬†
  195.     <span lang="en" xml:lang="en">RGB Noise</span>
  196.   </a>¬†</td>
  197.           <td width="20%" align="center">
  198.             <a accesskey="h" href="index.html">
  199.               <img src="../images/home.png" alt="Home" />
  200.             </a>
  201.           </td>
  202.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-hsv-noise.html">3.5.¬†
  203.     <span lang="en" xml:lang="en">Scatter HSV</span>
  204.   </a></td>
  205.         </tr>
  206.       </table>
  207.     </div>
  208.   </body>
  209. </html>
  210.