home *** CD-ROM | disk | FTP | other *** search
/ PC Open 101 / PC Open 101 CD 1.bin / CD1 / grafica / The Gimp / gimp-help-2-0.3-setup.exe / {app} / share / gimp / 2.0 / help / en / ch05s07s04.html < prev    next >
Encoding:
Extensible Markup Language  |  2004-07-20  |  4.6 KB  |  133 lines
  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>7.4.┬áErode</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
  8.     <link rel="stylesheet" href="gimp-help-screen.css" type="text/css" />
  9.     <meta name="generator" content="DocBook XSL Stylesheets V1.64.1" />
  10.     <link rel="home" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch05s07.html" title="7.┬áGeneric filters" />
  12.     <link rel="previous" href="ch05s07s03.html" title="7.3.┬áDilate" />
  13.     <link rel="next" href="ch05s08.html" title="8.┬áGlass Effects filters" />
  14.   </head>
  15.   <body>
  16.     <div class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center">7.4.┬áErode</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch05s07s03.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center">7.┬áGeneric filters</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch05s08.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="plug-in-erode"></a>7.4.┬áErode</h3>
  34.           </div>
  35.         </div>
  36.         <div></div>
  37.       </div>
  38.       <a id="id2976739" class="indexterm"></a>
  39.       <div class="simplesect" lang="en" xml:lang="en">
  40.         <div class="titlepage">
  41.           <div>
  42.             <div>
  43.               <h4 class="title"><a id="id2976759"></a>Overview</h4>
  44.             </div>
  45.           </div>
  46.           <div></div>
  47.         </div>
  48.         <div class="variablelist">
  49.           <dl>
  50.             <dt></dt>
  51.             <dd>
  52.               <p>
  53.             This filter is found in 
  54.             <span class="guimenuitem">Image>Filters/Generic/E<span class="accel">r</span>ode</span>  
  55.           </p>
  56.               <p>
  57.             This filter widens and enhances bright areas of the active layer or selection.
  58.           </p>
  59.               <p>
  60.             For every image pixel, it brings the pixel Value (luminosity) into line with 
  61.             the upper Value (the brightest) of the 8 neighbouring pixels (3x3 matrix). So, 
  62.             a bright pixel is added around bright areas. An isolated pixel on a darker 
  63.             background will be changed to a big "pixel", composed of 9 pixels, and that will 
  64.             create some noise in the image. A larger bright area will dilate by one pixel in 
  65.             all directions.
  66.           </p>
  67.               <p>
  68.             On more complex images, bright areas are widenned and enhanced the same, and 
  69.             somewhat pixellated.
  70.           </p>
  71.             </dd>
  72.           </dl>
  73.         </div>
  74.       </div>
  75.       <div class="simplesect" lang="en" xml:lang="en">
  76.         <div class="titlepage">
  77.           <div></div>
  78.           <div></div>
  79.         </div>
  80.         <div class="variablelist">
  81.           <p class="title">
  82.             <b>Options</b>
  83.           </p>
  84.           <p>
  85.         This filter has no option.
  86.       </p>
  87.           <dl></dl>
  88.         </div>
  89.       </div>
  90.       <div class="simplesect" lang="en" xml:lang="en">
  91.         <div class="titlepage">
  92.           <div></div>
  93.           <div></div>
  94.         </div>
  95.         <div class="variablelist">
  96.           <p class="title">
  97.             <b>Example</b>
  98.           </p>
  99.           <dl>
  100.             <dt>
  101.               <span class="term">Erode noise</span>
  102.             </dt>
  103.             <dd>
  104.               <p>
  105.             <img src="../images/filters/examples/erode-noise.png" />    
  106.           </p>
  107.             </dd>
  108.           </dl>
  109.         </div>
  110.       </div>
  111.     </div>
  112.     <div class="navfooter">
  113.       <hr />
  114.       <table width="100%" summary="Navigation footer">
  115.         <tr>
  116.           <td width="40%" align="left"><a accesskey="p" href="ch05s07s03.html">Prev</a>┬á</td>
  117.           <td width="20%" align="center">
  118.             <a accesskey="u" href="ch05s07.html">Up</a>
  119.           </td>
  120.           <td width="40%" align="right">┬á<a accesskey="n" href="ch05s08.html">Next</a></td>
  121.         </tr>
  122.         <tr>
  123.           <td width="40%" align="left" valign="top">7.3.┬áDilate┬á</td>
  124.           <td width="20%" align="center">
  125.             <a accesskey="h" href="index.html">Home</a>
  126.           </td>
  127.           <td width="40%" align="right" valign="top">┬á8.┬áGlass Effects filters</td>
  128.         </tr>
  129.       </table>
  130.     </div>
  131.   </body>
  132. </html>
  133.