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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>10.8.┬áPolar Coords</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 V1.66.1" />
  10.     <link rel="start" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch06s10.html" title="10.┬áDistort filters" />
  12.     <link rel="prev" href="ch06s10s07.html" title="10.7.┬áPage Curl" />
  13.     <link rel="next" href="ch06s10s09.html" title="10.9.┬áRipple" />
  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">10.┬áDistort filters</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch06s10s07.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">10.8.┬áPolar Coords</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch06s10s09.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-polarcoords"></a>10.8.┬áPolar Coords</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3484545" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/filters/filters-distort-polarcoords.png" />
  40.       </div>
  41.       <div class="simplesect" lang="en" xml:lang="en">
  42.         <div class="titlepage">
  43.           <div>
  44.             <div>
  45.               <h4 class="title"><a id="id3484566"></a>Overview</h4>
  46.             </div>
  47.           </div>
  48.         </div>
  49.         <p>
  50.       This filter is found in 
  51.       <span class="guimenuitem">Image>Filters/Distorts/P<span class="accel">o</span>lar Coords</span>
  52.     </p>
  53.         <p>
  54.       It gives a circular or a rectangular representation of your image with all the possible 
  55.       intermediates between both.
  56.     </p>
  57.       </div>
  58.       <div class="simplesect" lang="en" xml:lang="en">
  59.         <div class="titlepage">
  60.           <div>
  61.             <div>
  62.               <h4 class="title"><a id="id3484597"></a>Options</h4>
  63.             </div>
  64.           </div>
  65.         </div>
  66.         <div class="variablelist">
  67.           <dl>
  68.             <dt>
  69.               <span class="term">Preview</span>
  70.             </dt>
  71.             <dd>
  72.               <p>
  73.             The result of your settings will appear in the Preview without affecting the image until 
  74.             you click on <span class="guilabel">OK</span>
  75.           </p>
  76.             </dd>
  77.             <dt>
  78.               <span class="term">Circle Depth in Percent</span>
  79.             </dt>
  80.             <dd>
  81.               <p>
  82.             Slider and input box allow you to set the "circularity" of the transformation, from 
  83.             rectangle (0%) to circle (100%).
  84.           </p>
  85.             </dd>
  86.             <dt>
  87.               <span class="term">Offset Angle</span>
  88.             </dt>
  89.             <dd>
  90.               <p>
  91.             This option controles the angle the drawing will start from (0 - 359┬░), and so turns it 
  92.             around the circle center.
  93.           </p>
  94.             </dd>
  95.             <dt>
  96.               <span class="term">Map Backwards</span>
  97.             </dt>
  98.             <dd>
  99.               <p>
  100.             When this option is checked, the drawing will start from the right instead of the left.
  101.           </p>
  102.             </dd>
  103.             <dt>
  104.               <span class="term">Map from Top</span>
  105.             </dt>
  106.             <dd>
  107.               <p>
  108.             If unchecked, the mapping will put the bottom row in the middle and the top row on the 
  109.             outside. If checked, it will be the opposite.  
  110.           </p>
  111.             </dd>
  112.             <dt>
  113.               <span class="term">To Polar</span>
  114.             </dt>
  115.             <dd>
  116.               <p>
  117.             If unchecked, the image will be circularly mapped into a rectangle (odd effect). If checked, 
  118.             the image will be mapped into a circle.
  119.           </p>
  120.             </dd>
  121.           </dl>
  122.         </div>
  123.       </div>
  124.       <div class="simplesect" lang="en" xml:lang="en">
  125.         <div class="titlepage">
  126.           <div>
  127.             <div>
  128.               <h4 class="title"><a id="id3484705"></a>Examples</h4>
  129.             </div>
  130.           </div>
  131.         </div>
  132.         <div class="variablelist">
  133.           <dl>
  134.             <dt>
  135.               <span class="term">With text</span>
  136.             </dt>
  137.             <dd>
  138.               <p>
  139.             If you have just written the text, you must Flatten the image 
  140.             before using the filter.
  141.           </p>
  142.             </dd>
  143.           </dl>
  144.         </div>
  145.         <div class="mediaobject">
  146.           <img src="../images/filters/examples/polcoords1.png" />
  147.         </div>
  148.         <div class="variablelist">
  149.           <dl>
  150.             <dt>
  151.               <span class="term">With picture</span>
  152.             </dt>
  153.             <dd>
  154.               <div class="mediaobject">
  155.                 <img src="../images/filters/examples/polcoords2.png" />
  156.               </div>
  157.             </dd>
  158.           </dl>
  159.         </div>
  160.       </div>
  161.     </div>
  162.     <div class="navfooter">
  163.       <hr />
  164.       <table width="100%" summary="Navigation footer">
  165.         <tr>
  166.           <td width="40%" align="left"><a accesskey="p" href="ch06s10s07.html">Prev</a>┬á</td>
  167.           <td width="20%" align="center">
  168.             <a accesskey="u" href="ch06s10.html">Up</a>
  169.           </td>
  170.           <td width="40%" align="right">┬á<a accesskey="n" href="ch06s10s09.html">Next</a></td>
  171.         </tr>
  172.         <tr>
  173.           <td width="40%" align="left" valign="top">10.7.┬áPage Curl┬á</td>
  174.           <td width="20%" align="center">
  175.             <a accesskey="h" href="index.html">Home</a>
  176.           </td>
  177.           <td width="40%" align="right" valign="top">┬á10.9.┬áRipple</td>
  178.         </tr>
  179.       </table>
  180.     </div>
  181.   </body>
  182. </html>
  183.