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  1. <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>4.5.┬áShear Tool</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
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  10.     <link rel="start" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch03s04.html" title="4.┬áTransform Tools" />
  12.     <link rel="prev" href="ch03s04s04.html" title="4.4.┬áScale Tool" />
  13.     <link rel="next" href="ch03s04s06.html" title="4.6.┬áPerspective Tool" />
  14.   </head>
  15.   <body>
  16.     <div xmlns="" class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center" id="chaptername">4.┬áTransform Tools</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch03s04s04.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">4.5.┬áShear Tool</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch03s04s06.html">Next</a></td>
  25.         </tr>
  26.       </table>
  27.       <hr />
  28.     </div>
  29.     <div class="sect2" lang="en" xml:lang="en">
  30.       <div class="titlepage">
  31.         <div>
  32.           <div>
  33.             <h3 class="title"><a id="gimp-tool-shear"></a>4.5.┬áShear Tool</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3441950" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/toolbox/toolbox-shear.png" />
  40.       </div>
  41.       <p>        
  42.     Shear tool is used to shift one part of an image, a layer, a
  43.     selection or a path to a direction and the other part to the
  44.     opposite direction.  For instance, a horizontal shearing will shift
  45.     the upper part to the right and the lower part to the left. A
  46.     rectangle becomes a diamond.  This is not a rotation: the image is
  47.     distorted. To use this tool after selecting, click on the image or
  48.     the selection: a grid is surperimposed and the Shearing Information
  49.     dialog is opened. By dragging the mouse pointer on the image you
  50.     distort the image, horizontally by default (x direction). To shear
  51.     vertically press <span><b class="keycap">Shift</b></span> and click on the grid (this
  52.     operation is not well perfected). When you are satisfied, click on
  53.     the <span class="guilabel">Shear</span> button in the info dialog to
  54.     validate. 
  55.   </p>
  56.       <div class="simplesect" lang="en" xml:lang="en">
  57.         <div class="titlepage">
  58.           <div>
  59.             <div>
  60.               <h4 class="title"><a id="id3442011"></a>Activate Tool</h4>
  61.             </div>
  62.           </div>
  63.         </div>
  64.         <div class="itemizedlist">
  65.           <ul type="disc">
  66.             <li>
  67.               <p>
  68.           The Shear Tool can be called in the following
  69.           order, from the image-menu:
  70.           <span class="guimenuitem"><span class="accel">T</span>ools</span>/
  71.           <span class="guimenuitem"><span class="accel">T</span>ransform
  72.             Tools</span>/<span class="guimenuitem">S<span class="accel">h</span>ear
  73.           </span>. 
  74.         </p>
  75.             </li>
  76.             <li>
  77.               <p>
  78.           The Tool can also be called by clicking the tool icon:
  79.           <span class="guiicon">
  80.         <span class="inlinemediaobject"><img src="../images/toolbox/shear.png" /></span>
  81.           </span>
  82.         </p>
  83.             </li>
  84.           </ul>
  85.         </div>
  86.       </div>
  87.       <div class="simplesect" lang="en" xml:lang="en">
  88.         <div class="titlepage">
  89.           <div>
  90.             <div>
  91.               <h4 class="title"><a id="id3442077"></a>Key modifiers (Defaults)</h4>
  92.             </div>
  93.           </div>
  94.         </div>
  95.         <div class="variablelist">
  96.           <dl>
  97.             <dt>
  98.               <span class="term">Shortcut</span>
  99.             </dt>
  100.             <dd>
  101.               <p>
  102.             The
  103.             <span><b class="keycap">Shift</b></span>-<span><b class="keycap">s</b></span>
  104.             key combination will change the active tool to Shear.            
  105.           </p>
  106.             </dd>
  107.           </dl>
  108.         </div>
  109.       </div>
  110.       <div class="simplesect" lang="en" xml:lang="en">
  111.         <div class="titlepage">
  112.           <div>
  113.             <div>
  114.               <h4 class="title"><a id="id3442116"></a>Options</h4>
  115.             </div>
  116.           </div>
  117.         </div>
  118.         <div class="variablelist">
  119.           <dl>
  120.             <dt>
  121.               <span class="term">Overview</span>
  122.             </dt>
  123.             <dd>
  124.               <p>
  125.           The available tool options for the Shear Tool can be accessed
  126.           by
  127.           double clicking the Shear Tool icon. 
  128.           <span class="guiicon">
  129.         <span class="inlinemediaobject"><img src="../images/toolbox/shear.png" /></span>
  130.           </span>
  131.         </p>
  132.             </dd>
  133.             <dt>
  134.               <span class="term">Affect</span>
  135.             </dt>
  136.             <dd>
  137.               <p>
  138.           The shear can affect the Layer, the Selection, and the Path
  139.           differently.  These three buttons associate the remainder of
  140.           the options to one of those three elements.
  141.         </p>
  142.             </dd>
  143.             <dt>
  144.               <span class="term">Transform Direction</span>
  145.             </dt>
  146.             <dd>
  147.               <p>
  148.           <span class="guilabel">Forward (Traditional)</span>: performs
  149.           transformation in grid moving direction.
  150.         </p>
  151.               <p>
  152.           <span class="guilabel">Backward (Corrective)</span>: performs
  153.           transformation in reverse grid moving direction.
  154.         </p>
  155.             </dd>
  156.             <dt>
  157.               <span class="term">Interpolation</span>
  158.             </dt>
  159.             <dd>
  160.               <p>
  161.           The <span class="guilabel">Interpolation</span> drop-down list allows
  162.           you to
  163.           choose the quality of the transformation. For more
  164.           information about
  165.           the different methods that can be employed, see the glossary
  166.           entry
  167.           <a href="go01.html#glossary-interpolation">Interpolation</a>.
  168.         </p>
  169.             </dd>
  170.             <dt>
  171.               <span class="term">Clip Result</span>
  172.             </dt>
  173.             <dd>
  174.               <p>
  175.           This option will clip the rotated layer to the original layer
  176.           size.
  177.         </p>
  178.             </dd>
  179.             <dt>
  180.               <span class="term">Grid Options</span>
  181.             </dt>
  182.             <dd>
  183.               <p>
  184.           The three available grid options are used to change thevisual
  185.           display of the rotation grid.
  186.         </p>
  187.               <p>
  188.           <span class="guilabel">Don't Show Grid</span> will display only the
  189.           outline of
  190.           the rotation rectangle.
  191.         </p>
  192.               <p>
  193.           <span class="guilabel">Number of Grid Lines</span> will allow control
  194.           over the
  195.           total number of displayed grid lines. Use the
  196.           <span class="guilabel">Density</span> slider to set the number of grid
  197.           lines.
  198.         </p>
  199.               <p>
  200.           <span class="guilabel">Grid Line Spacing</span> allows control overthe
  201.           distance between the grid lines. Use the <span class="guilabel">Density</span>
  202.           slider to set the distance.
  203.         </p>
  204.             </dd>
  205.           </dl>
  206.         </div>
  207.       </div>
  208.     </div>
  209.     <div class="navfooter">
  210.       <hr />
  211.       <table width="100%" summary="Navigation footer">
  212.         <tr>
  213.           <td width="40%" align="left"><a accesskey="p" href="ch03s04s04.html">Prev</a>┬á</td>
  214.           <td width="20%" align="center">
  215.             <a accesskey="u" href="ch03s04.html">Up</a>
  216.           </td>
  217.           <td width="40%" align="right">┬á<a accesskey="n" href="ch03s04s06.html">Next</a></td>
  218.         </tr>
  219.         <tr>
  220.           <td width="40%" align="left" valign="top">4.4.┬áScale Tool┬á</td>
  221.           <td width="20%" align="center">
  222.             <a accesskey="h" href="index.html">Home</a>
  223.           </td>
  224.           <td width="40%" align="right" valign="top">┬á4.6.┬áPerspective Tool</td>
  225.         </tr>
  226.       </table>
  227.     </div>
  228.   </body>
  229. </html>
  230.