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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>3.6.┬áColormap Rotation</title>
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  11.     <link rel="up" href="ch06s03.html" title="3.┬áColor filters" />
  12.     <link rel="prev" href="ch06s03s05.html" title="3.5.┬áTwo Colors Exchange" />
  13.     <link rel="next" href="ch06s03s07.html" title="3.7.┬áMap Color Range" />
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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">3.┬áColor filters</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch06s03s05.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">3.6.┬áColormap Rotation</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch06s03s07.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-rotate-colormap"></a>3.6.┬áColormap Rotation</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3473692" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/filters/filters-colormap-rotation.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="id3473724"></a>Overview</h4>
  46.             </div>
  47.           </div>
  48.         </div>
  49.         <p>
  50.       This filter is found in 
  51.       <span class="guimenuitem">Image>Filters/Colors/Map/Colormap <span class="accel">R</span>otation</span>
  52.     </p>
  53.         <p>
  54.       Colormap Rotation lets you exchange one color range to another range.
  55.     </p>
  56.       </div>
  57.       <div class="simplesect" lang="en" xml:lang="en">
  58.         <div class="titlepage">
  59.           <div>
  60.             <div>
  61.               <h4 class="title"><a id="id3473753"></a>Preview</h4>
  62.             </div>
  63.           </div>
  64.         </div>
  65.         <div class="variablelist">
  66.           <dl>
  67.             <dt>
  68.               <span class="term">Preview</span>
  69.             </dt>
  70.             <dd>
  71.               <p>
  72.             <span class="guilabel">Preview</span>: This Preview displays a thumbnail of the original image and 
  73.             another one displaying color changes interactively, before they are applied to Image.
  74.           </p>
  75.             </dd>
  76.           </dl>
  77.         </div>
  78.       </div>
  79.       <div class="simplesect" lang="en" xml:lang="en">
  80.         <div class="titlepage">
  81.           <div>
  82.             <div>
  83.               <h4 class="title"><a id="id3473784"></a>Main</h4>
  84.             </div>
  85.           </div>
  86.         </div>
  87.         <p>
  88.       This tab deals with main options.
  89.     </p>
  90.         <div class="variablelist">
  91.           <dl>
  92.             <dt>
  93.               <span class="term">From</span>
  94.             </dt>
  95.             <dd>
  96.               <p>
  97.               The <span class="guilabel">Color Circle</span>: Two axis to define "From" range. The curved arrow in 
  98.               angle lets to recognise "From" axis and "To" axis of range. Click-drag these axis to change 
  99.               range.
  100.             </p>
  101.               <p>
  102.               <span class="guilabel">Switch to Clockwise/Counterclockwise</span>: Sets the direction the range is 
  103.               going.
  104.             </p>
  105.               <p>
  106.               <span class="guilabel">Change Order of Arrows</span>: Inverts From and To axis. This results in an 
  107.               important color change as colors in selection angle are different.
  108.             </p>
  109.               <p>
  110.               <span class="guilabel">Select All</span> selects the whole color circle.
  111.             </p>
  112.               <p>
  113.               <span class="guilabel">From</span> and <span class="guilabel">To</span> boxes display start axis and end axis 
  114.               positions (in rad/PI) which are limiting the selected color range. You can enter these 
  115.               positions manually or with help of arrow-heads.
  116.             </p>
  117.             </dd>
  118.             <dt>
  119.               <span class="term">To</span>
  120.             </dt>
  121.             <dd>
  122.               <p>
  123.             This section options are the same as "From" section ones.
  124.           </p>
  125.             </dd>
  126.           </dl>
  127.         </div>
  128.       </div>
  129.       <div class="simplesect" lang="en" xml:lang="en">
  130.         <div class="titlepage">
  131.           <div>
  132.             <div>
  133.               <h4 class="title"><a id="id3473887"></a>Misc</h4>
  134.             </div>
  135.           </div>
  136.         </div>
  137.         <p>
  138.       This tab deals with miscellaneous options.
  139.     </p>
  140.         <div class="variablelist">
  141.           <dl>
  142.             <dt>
  143.               <span class="term">Gray</span>
  144.             </dt>
  145.             <dd>
  146.               <p>
  147.             In the "Misc" tab, you can specify how to treat grey colors. By default, 
  148.             grey is not considered as a color. But all colors, when they are very 
  149.             desaturated, look like grey, and you can tell filter to consider grey 
  150.             as a very desaturated color which will be affected by rotation. 
  151.           </p>
  152.               <p>
  153.             <span class="guilabel">What is Gray?</span>: You specify there how much saturation 
  154.             will be considered grey. By increasing progressively saturation, you will 
  155.             see an enlarging circle in color circle and enlarging selected areas in 
  156.             Preview if Change To This option is checked.
  157.           </p>
  158.               <p>
  159.             <span class="guilabel">Hue</span> and <span class="guilabel">Saturation</span>: You set here 
  160.             the color you want grey to be transformed to. You do that, either by entering 
  161.             values into input boxes, or by click-dragging the small central circle in 
  162.             Hue/Saturation circle.
  163.             </p>
  164.               <p>
  165.               <span class="guilabel">Mode</span>: With <span class="guilabel">Treat as this</span> option, 
  166.               there will be no change in preview, selected "grey" areas will take the 
  167.               selected color and a rotation will be performed on image. With 
  168.               <span class="guilabel">Change to this</span> option, the selected color 
  169.               will be applied to "grey" areas and will appear in preview but no rotation 
  170.               will be performed.
  171.             </p>
  172.             </dd>
  173.             <dt>
  174.               <span class="term">Preview</span>
  175.             </dt>
  176.             <dd>
  177.               <p> 
  178.             <span class="guilabel">Continuous Update</span> displays color changes continuously in Rotated 
  179.             preview.
  180.           </p>
  181.               <p>
  182.             <span class="guilabel">Zone</span>: <span class="guilabel">Entire Layer</span> works on whole layer. 
  183.             <span class="guilabel">S├⌐lection</span> displays selection only, <span class="guilabel">Context</span> displays 
  184.             selection in image context.
  185.           </p>
  186.             </dd>
  187.             <dt>
  188.               <span class="term">Units</span>
  189.             </dt>
  190.             <dd>
  191.               <p>
  192.             You can select here the angle unit used to locate colors in 
  193.             Hue/Saturation circle.
  194.           </p>
  195.             </dd>
  196.           </dl>
  197.         </div>
  198.       </div>
  199.     </div>
  200.     <div class="navfooter">
  201.       <hr />
  202.       <table width="100%" summary="Navigation footer">
  203.         <tr>
  204.           <td width="40%" align="left"><a accesskey="p" href="ch06s03s05.html">Prev</a>┬á</td>
  205.           <td width="20%" align="center">
  206.             <a accesskey="u" href="ch06s03.html">Up</a>
  207.           </td>
  208.           <td width="40%" align="right">┬á<a accesskey="n" href="ch06s03s07.html">Next</a></td>
  209.         </tr>
  210.         <tr>
  211.           <td width="40%" align="left" valign="top">3.5.┬áTwo Colors Exchange┬á</td>
  212.           <td width="20%" align="center">
  213.             <a accesskey="h" href="index.html">Home</a>
  214.           </td>
  215.           <td width="40%" align="right" valign="top">┬á3.7.┬áMap Color Range</td>
  216.         </tr>
  217.       </table>
  218.     </div>
  219.   </body>
  220. </html>
  221.