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  4.   <head>
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  6.     <title>10.38.¬† Subtract from Selection</title>
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  14.     <link rel="prev" href="gimp-layer-alpha-selection-add.html" title="10.37.¬† Add Alpha channel to Selection" />
  15.     <link rel="next" href="gimp-layer-alpha-selection-intersect.html" title="10.39.¬† Intersect Alpha channel with Selection" />
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  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">10.38.¬†
  22.     <span lang="en" xml:lang="en">Subtract from Selection</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="gimp-layer-alpha-selection-add.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">10.¬†
  28.     <span lang="en" xml:lang="en">The ‚Äú<span class="quote">Layers</span>‚Äù Menu</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="gimp-layer-alpha-selection-intersect.html"><img src="../images/next.png" alt="Next" /></a></td>
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  35.     <div class="sect2" lang="en" xml:lang="en">
  36.       <div class="titlepage">
  37.         <div>
  38.           <div>
  39.             <h3 class="title"><a id="gimp-layer-alpha-selection-subtract"></a>10.38.¬†
  40.     <span lang="en" xml:lang="en">Subtract from Selection</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: 2413 $</td>
  53.                   <td align="left">2007-12-02</td>
  54.                   <td align="left">j.h</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2712410" class="indexterm"></a>
  62.       <a id="id2712429" class="indexterm"></a>
  63.       <a id="id2712444" class="indexterm"></a>
  64.       <p>
  65.     The <span class="guimenuitem">Subtract from Selection</span> command
  66.     creates a selection in the current layer from the Alpha Channel. Opaque
  67.     pixels are fully selected, transparent pixels are unselected, and
  68.     translucent pixels are partially selected.This selection is
  69.     <span class="emphasis"><em>subtracted</em></span> from the existing selection. The Alpha
  70.     channel itself is not changed.
  71.   </p>
  72.       <div class="sect3" lang="en" xml:lang="en">
  73.         <div class="titlepage">
  74.           <div>
  75.             <div>
  76.               <h4 class="title"><a id="id2712475"></a>10.38.1.¬†
  77.       <span lang="en" xml:lang="en">Activate the Command</span>
  78.     </h4>
  79.             </div>
  80.           </div>
  81.         </div>
  82.         <div class="itemizedlist">
  83.           <ul type="disc">
  84.             <li>
  85.               <p>
  86.           You can access this command from the image menubar through
  87.           <span class="guimenu"><span class="accel">L</span>ayer</span> ‚Üí <span class="guisubmenu">Tr<span class="accel">a</span>nsparency</span> ‚Üí <span class="guimenuitem"><span class="accel">S</span>ubtract from Selection</span>
  88.         </p>
  89.             </li>
  90.           </ul>
  91.         </div>
  92.       </div>
  93.       <div class="sect3" lang="en" xml:lang="en">
  94.         <div class="titlepage">
  95.           <div>
  96.             <div>
  97.               <h4 class="title"><a id="id2712531"></a>10.38.2.¬†
  98.       <span lang="en" xml:lang="en">Example</span>
  99.     </h4>
  100.             </div>
  101.           </div>
  102.         </div>
  103.         <div class="figure">
  104.           <a id="id2712544"></a>
  105.           <p class="title">
  106.             <b>Figure¬†15.122.¬†
  107.         <span lang="en" xml:lang="en">Applying ‚Äú<span class="quote">Subtract from Selection</span>‚Äù
  108.         </span>
  109.       </b>
  110.           </p>
  111.           <div class="figure-contents">
  112.             <div class="mediaobject">
  113.               <img src="../images/menus/BBR.png" alt="Applying Subtract from Selection" />
  114.             </div>
  115.             <div class="mediaobject">
  116.               <img src="../images/menus/layer-alpha-sub.png" alt="Applying Subtract from Selection" />
  117.               <div class="caption">
  118.                 <p>
  119.             Non-transparent pixels of the active layer have been subtracted
  120.             from the existing rectangular selection.
  121.           </p>
  122.               </div>
  123.             </div>
  124.           </div>
  125.         </div>
  126.         <br class="figure-break" />
  127.       </div>
  128.     </div>
  129.     <div class="navfooter">
  130.       <hr />
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  132.         <tr>
  133.           <td width="40%" align="left"><a accesskey="p" href="gimp-layer-alpha-selection-add.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  134.           <td width="20%" align="center">
  135.             <a accesskey="u" href="gimp-layer-menu.html">
  136.               <img src="../images/up.png" alt="Up" />
  137.             </a>
  138.           </td>
  139.           <td width="40%" align="right">¬†<a accesskey="n" href="gimp-layer-alpha-selection-intersect.html"><img src="../images/next.png" alt="Next" /></a></td>
  140.         </tr>
  141.         <tr>
  142.           <td width="40%" align="left" valign="top"><a accesskey="p" href="gimp-layer-alpha-selection-add.html">10.37.¬†
  143.     <span lang="en" xml:lang="en">Add Alpha channel to Selection</span>
  144.   </a>¬†</td>
  145.           <td width="20%" align="center">
  146.             <a accesskey="h" href="index.html">
  147.               <img src="../images/home.png" alt="Home" />
  148.             </a>
  149.           </td>
  150.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="gimp-layer-alpha-selection-intersect.html">10.39.¬†
  151.     <span lang="en" xml:lang="en">Intersect Alpha channel with Selection</span>
  152.   </a></td>
  153.         </tr>
  154.       </table>
  155.     </div>
  156.   </body>
  157. </html>
  158.