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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>4.6.┬áPerspective Tool</title>
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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="ch03s04s05.html" title="4.5.┬áShear Tool" />
  13.     <link rel="next" href="ch03s04s07.html" title="4.7.┬áFlip Tool" />
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  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="ch03s04s05.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">4.6.┬áPerspective Tool</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch03s04s07.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-perspective"></a>4.6.┬áPerspective Tool</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3442324" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/toolbox/toolbox-perspective.png" />
  40.       </div>
  41.       <p>
  42.     The Perspective Tool is used to change the perspective of layers.
  43.   </p>
  44.       <div class="simplesect" lang="en" xml:lang="en">
  45.         <div class="titlepage">
  46.           <div>
  47.             <div>
  48.               <h4 class="title"><a id="id3442358"></a>Activate Tool</h4>
  49.             </div>
  50.           </div>
  51.         </div>
  52.         <div class="itemizedlist">
  53.           <ul type="disc">
  54.             <li>
  55.               <p>
  56.           The Perspective Tool can be called in the following
  57.           order, from the image-menu:
  58.           <span class="guimenuitem"><span class="accel">T</span>ools</span>/
  59.           <span class="guimenuitem"><span class="accel">T</span>ransform
  60.             Tools</span>/<span class="guimenuitem"><span class="accel">P</span>erspective
  61.           </span>. 
  62.         </p>
  63.             </li>
  64.             <li>
  65.               <p>
  66.           The Tool can also be called by clicking the tool icon:
  67.           <span class="guiicon">
  68.         <span class="inlinemediaobject"><img src="../images/toolbox/perspective.png" /></span>
  69.           </span>
  70.         </p>
  71.             </li>
  72.           </ul>
  73.         </div>
  74.       </div>
  75.       <div class="simplesect" lang="en" xml:lang="en">
  76.         <div class="titlepage">
  77.           <div>
  78.             <div>
  79.               <h4 class="title"><a id="id3442422"></a>Key modifiers (Defaults)</h4>
  80.             </div>
  81.           </div>
  82.         </div>
  83.         <div class="variablelist">
  84.           <dl>
  85.             <dt>
  86.               <span class="term">Shortcut</span>
  87.             </dt>
  88.             <dd>
  89.               <p>
  90.             The
  91.             <span><b class="keycap">Shift</b></span>-<span><b class="keycap">p</b></span>
  92.             key combination will change the active tool to Perspective.            
  93.           </p>
  94.             </dd>
  95.           </dl>
  96.         </div>
  97.       </div>
  98.       <div class="simplesect" lang="en" xml:lang="en">
  99.         <div class="titlepage">
  100.           <div>
  101.             <div>
  102.               <h4 class="title"><a id="id3442461"></a>Options</h4>
  103.             </div>
  104.           </div>
  105.         </div>
  106.         <div class="variablelist">
  107.           <dl>
  108.             <dt>
  109.               <span class="term">Overview</span>
  110.             </dt>
  111.             <dd>
  112.               <p>
  113.           The available tool options for the Perspective Tool can be accessed
  114.           by
  115.           double clicking the Perspective Tool icon. 
  116.           <span class="guiicon">
  117.         <span class="inlinemediaobject"><img src="../images/toolbox/perspective.png" /></span>
  118.           </span>
  119.         </p>
  120.             </dd>
  121.             <dt>
  122.               <span class="term">Affect</span>
  123.             </dt>
  124.             <dd>
  125.               <p>
  126.           The transformation can affect the Layer, the Selection, and the Path
  127.           differently.  These three buttons associate the remainder of
  128.           the options to one of those three elements.
  129.         </p>
  130.             </dd>
  131.             <dt>
  132.               <span class="term">Transform Direction</span>
  133.             </dt>
  134.             <dd>
  135.               <p>
  136.           <span class="guilabel">Forward (Traditional)</span>: Performs
  137.           transformation according to the direction of grid lines: if
  138.           grid is bent 10┬░ to the left then the image will be bent 10┬░
  139.           to the left too.
  140.         </p>
  141.               <p>
  142.           <span class="guilabel">Backward (Corrective)</span>: Performs
  143.           transformation in the reverse direction of grid lines: if grid
  144.           is bent 10┬░ to the left then the image will be bent 10┬░ to the
  145.           right and so will be set upright. This option is used to
  146.           correct perspective deformations. You bend grid lines to align
  147.           them on the image lines that you want straighten up then you
  148.           click Transform in the Info Window. You can have to clip the
  149.           image after this transformation.
  150.         </p>
  151.             </dd>
  152.             <dt>
  153.               <span class="term">Interpolation</span>
  154.             </dt>
  155.             <dd>
  156.               <p>
  157.           The <span class="guilabel">Interpolation</span> drop-down list allows
  158.           you to
  159.           choose the quality of the transformation. For more
  160.           information about
  161.           the different methods that can be employed, see the glossary
  162.           entry
  163.           <a href="go01.html#glossary-interpolation">Interpolation</a>.
  164.         </p>
  165.             </dd>
  166.             <dt>
  167.               <span class="term">Clip Result</span>
  168.             </dt>
  169.             <dd>
  170.               <p>
  171.           This option will clip the rotated layer to the original layer
  172.           size.
  173.         </p>
  174.             </dd>
  175.             <dt>
  176.               <span class="term">Grid Options</span>
  177.             </dt>
  178.             <dd>
  179.               <p>
  180.           The three available grid options are used to change thevisual
  181.           display of the rotation grid.
  182.         </p>
  183.               <p>
  184.           <span class="guilabel">Don't Show Grid</span> will display only the
  185.           outline of
  186.           the rotation rectangle.
  187.         </p>
  188.               <p>
  189.           <span class="guilabel">Number of Grid Lines</span> will allow control
  190.           over the
  191.           total number of displayed grid lines. Use the
  192.           <span class="guilabel">Density</span> slider to set the number of grid
  193.           lines.
  194.         </p>
  195.               <p>
  196.           <span class="guilabel">Grid Line Spacing</span> allows control overthe
  197.           distance between the grid lines. Use the <span class="guilabel">Density</span>
  198.           slider to set the distance.
  199.         </p>
  200.             </dd>
  201.           </dl>
  202.         </div>
  203.       </div>
  204.     </div>
  205.     <div class="navfooter">
  206.       <hr />
  207.       <table width="100%" summary="Navigation footer">
  208.         <tr>
  209.           <td width="40%" align="left"><a accesskey="p" href="ch03s04s05.html">Prev</a>┬á</td>
  210.           <td width="20%" align="center">
  211.             <a accesskey="u" href="ch03s04.html">Up</a>
  212.           </td>
  213.           <td width="40%" align="right">┬á<a accesskey="n" href="ch03s04s07.html">Next</a></td>
  214.         </tr>
  215.         <tr>
  216.           <td width="40%" align="left" valign="top">4.5.┬áShear Tool┬á</td>
  217.           <td width="20%" align="center">
  218.             <a accesskey="h" href="index.html">Home</a>
  219.           </td>
  220.           <td width="40%" align="right" valign="top">┬á4.7.┬áFlip Tool</td>
  221.         </tr>
  222.       </table>
  223.     </div>
  224.   </body>
  225. </html>
  226.