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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">
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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>2.6.┬áMotion Blur</title>
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  11.     <link rel="up" href="ch05s02.html" title="2.┬áBlur filters" />
  12.     <link rel="previous" href="ch05s02s05.html" title="2.5.┬áSelective Gaussian Blur" />
  13.     <link rel="next" href="ch05s02s07.html" title="2.7.┬áPixelise" />
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  15.   <body>
  16.     <div class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center">2.6.┬áMotion Blur</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch05s02s05.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center">2.┬áBlur filters</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch05s02s07.html">Next</a></td>
  25.         </tr>
  26.       </table>
  27.       <hr />
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  29.     <div class="sect2" lang="en" xml:lang="en">
  30.       <div class="titlepage">
  31.         <div>
  32.           <div>
  33.             <h3 class="title"><a id="filters-blur-mblur"></a>2.6.┬áMotion Blur</h3>
  34.           </div>
  35.         </div>
  36.         <div></div>
  37.       </div>
  38.       <a id="id2969350" class="indexterm"></a>
  39.       <div class="mediaobject">
  40.         <img src="../images/filters/filters-blur-mblur.png" />
  41.       </div>
  42.       <div class="simplesect" lang="en" xml:lang="en">
  43.         <div class="titlepage">
  44.           <div>
  45.             <div>
  46.               <h4 class="title"><a id="id2969390"></a>Overview</h4>
  47.             </div>
  48.           </div>
  49.           <div></div>
  50.         </div>
  51.         <p>
  52.       This filter is found in 
  53.       <span class="guimenuitem">Image>Filters/Blur/<span class="accel">M</span>otion Blur</span>
  54.     </p>
  55.         <p>
  56.       The Motion Blur filter creates a movement blur. The filter is capable
  57.       of Linear, Radial, and Zoom movements. Each of these movements can be
  58.       further adjusted, with Length, or Angle  settings available.
  59.     </p>
  60.       </div>
  61.       <div class="simplesect" lang="en" xml:lang="en">
  62.         <div class="titlepage">
  63.           <div>
  64.             <div>
  65.               <h4 class="title"><a id="id2969421"></a>Options</h4>
  66.             </div>
  67.           </div>
  68.           <div></div>
  69.         </div>
  70.         <div class="variablelist">
  71.           <dl>
  72.             <dt>
  73.               <span class="term">Blur Type</span>
  74.             </dt>
  75.             <dd>
  76.               <p>
  77.             <span class="guilabel">Linear</span> motion is a blur that travels in a
  78.             single direction, horizontally, for example. In this case,
  79.             Length means as Radius in other filters:it represents the blur
  80.             intensity. More Length will result in more blurring. Angle
  81.             describes the actual angle of the movement. Thus, a setting of
  82.             90 will produce a vertical blur, and a setting of 0 will
  83.             produce a horizontal blur.
  84.           </p>
  85.               <p>
  86.             <span class="guilabel">Radial</span> motion blur creates a circular
  87.             blur. The Length slider is not important with this type of
  88.             blur. Angle on the other hand, is the primary setting that will
  89.             affect the blur. More Angle will result in more blurring in a
  90.             circular direction. The Radial motion blur is similar to the
  91.             effect of a spinning object. The center of the spin in this
  92.             case, is the center of the image.
  93.           </p>
  94.               <p>      
  95.             <span class="guilabel">Zoom</span> blurring produces a blur that
  96.             radiates out from the center of the image. The center of the
  97.             image remains relatively calm, whilst the outer areas become
  98.             blurred toward the center. This filter option produces a
  99.             perceived forward movement, into the image.  Length is the main
  100.             setting here, and affects the amount of speed, as it were,
  101.             toward the center of the image.
  102.           </p>
  103.             </dd>
  104.             <dt>
  105.               <span class="term">Blur settings</span>
  106.             </dt>
  107.             <dd>
  108.               <p>
  109.             <span class="guilabel">Length</span>: This slider controls the distance
  110.             pixels are moved (0 - 256)
  111.           </p>
  112.               <p>
  113.             <span class="guilabel">Angle</span>: (0 - 360) As seen above, Angle
  114.             slider effect depends on Blur type.
  115.           </p>
  116.             </dd>
  117.           </dl>
  118.         </div>
  119.       </div>
  120.     </div>
  121.     <div class="navfooter">
  122.       <hr />
  123.       <table width="100%" summary="Navigation footer">
  124.         <tr>
  125.           <td width="40%" align="left"><a accesskey="p" href="ch05s02s05.html">Prev</a>┬á</td>
  126.           <td width="20%" align="center">
  127.             <a accesskey="u" href="ch05s02.html">Up</a>
  128.           </td>
  129.           <td width="40%" align="right">┬á<a accesskey="n" href="ch05s02s07.html">Next</a></td>
  130.         </tr>
  131.         <tr>
  132.           <td width="40%" align="left" valign="top">2.5.┬áSelective Gaussian Blur┬á</td>
  133.           <td width="20%" align="center">
  134.             <a accesskey="h" href="index.html">Home</a>
  135.           </td>
  136.           <td width="40%" align="right" valign="top">┬á2.7.┬áPixelise</td>
  137.         </tr>
  138.       </table>
  139.     </div>
  140.   </body>
  141. </html>
  142.