home *** CD-ROM | disk | FTP | other *** search
/ Mac Easy 2010 May / Mac Life Ubuntu.iso / casper / filesystem.squashfs / usr / share / gimp / 2.0 / help / en / plug-in-flame.html < prev    next >
Encoding:
Extensible Markup Language  |  2008-05-03  |  15.0 KB  |  395 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>11.4.¬† Flame</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.     <link rel="stylesheet" href="gimp-help-custom.css" type="text/css" />
  10.     <link rel="alternate stylesheet" href="gimp22.css" type="text/css" title="gimp22" />
  11.     <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
  12.     <link rel="start" href="index.html" title="GNU Image Manipulation Program" />
  13.     <link rel="up" href="filters-render.html" title="11.¬† Rendering Filters" />
  14.     <link rel="prev" href="plug-in-solid-noise.html" title="11.3.¬† Solid Noise" />
  15.     <link rel="next" href="plug-in-ifsfractal.html" title="11.5.¬† IFS Fractal" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">11.4.¬†
  22.     <span lang="en" xml:lang="en">Flame</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="plug-in-solid-noise.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">11.¬†
  28.     <span lang="en" xml:lang="en">Rendering Filters</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="plug-in-ifsfractal.html"><img src="../images/next.png" alt="Next" /></a></td>
  31.         </tr>
  32.       </table>
  33.       <hr />
  34.     </div>
  35.     <div class="sect2" lang="en" xml:lang="en">
  36.       <div class="titlepage">
  37.         <div>
  38.           <div>
  39.             <h3 class="title"><a id="plug-in-flame"></a>11.4.¬†
  40.     <span lang="en" xml:lang="en">Flame</span>
  41.   </h3>
  42.           </div>
  43.           <div>
  44.             <div class="revhistory">
  45.               <table border="1" width="100%" summary="Revision history">
  46.                 <tr>
  47.                   <th align="left" valign="top" colspan="3">
  48.                     <b>Revision History</b>
  49.                   </th>
  50.                 </tr>
  51.                 <tr>
  52.                   <td align="left">Revision $Revision: 2436 $</td>
  53.                   <td align="left">2006-12-13</td>
  54.                   <td align="left">j.h</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2769845" class="indexterm"></a>
  62.       <a id="id2769865" class="indexterm"></a>
  63.       <div class="sect3" lang="en" xml:lang="en">
  64.         <div class="titlepage">
  65.           <div>
  66.             <div>
  67.               <h4 class="title"><a id="id2769874"></a>11.4.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2769884"></a>
  75.           <p class="title">
  76.             <b>Figure¬†16.234.¬†
  77.         <span lang="en" xml:lang="en">Example of a rendered Flame.</span>
  78.       </b>
  79.           </p>
  80.           <div class="figure-contents">
  81.             <div class="mediaobject">
  82.               <img src="../images/filters/examples/flame1.png" alt="Example of a rendered Flame." />
  83.             </div>
  84.             <div class="mediaobject">
  85.               <img src="../images/filters/examples/render-taj-flame.jpg" alt="Example of a rendered Flame." />
  86.               <div class="caption">
  87.                 <p>Filter ‚Äú<span class="quote">Flame</span>‚Äù applied</p>
  88.               </div>
  89.             </div>
  90.           </div>
  91.         </div>
  92.         <br class="figure-break" />
  93.         <p>
  94.       You can find this filter through
  95.       <span class="guimenu">Filte<span class="accel">r</span>s</span> ‚Üí <span class="guisubmenu"><span class="accel">R</span>ender</span> ‚Üí <span class="guisubmenu"><span class="accel">N</span>ature</span> ‚Üí <span class="guimenuitem"><span class="accel">F</span>lame</span>
  96.     </p>
  97.         <p>
  98.       With the Flame filter, you can create stunning, randomly
  99.       generated fractal patterns. You can't control the fractals as
  100.       you can with the <a class="link" href="plug-in-ifsfractal.html" title="11.5.¬† IFS Fractal">Ifs
  101.         Compose</a> filter, but you can steer the
  102.       random generator in a certain direction, and choose from
  103.       variations of a theme you like.
  104.     </p>
  105.         <p>
  106.       In the main window, you can set Rendering and Camera
  107.       parameters. The first three parameters in the Render display are
  108.       Brightness, Contrast and Gamma. The result of these options is
  109.       visible in the Preview window, but it's generally better to
  110.       stick to the default values, and correct the rendered image
  111.       later with Image/Colors.
  112.     </p>
  113.         <p>
  114.       The other three parameters affect the rendering process and
  115.       don't show in the preview window. Sample Density, which controls
  116.       the resolution of the rendered pattern, is the most important of
  117.       these. The Camera parameters allow
  118.       you to zoom and offset the flame pattern, until you're happy
  119.       with what you see in the preview window. Flame also offers the
  120.       possibility to store and load your favorite patterns.
  121.     </p>
  122.         <div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
  123.           <table border="0" summary="Warning">
  124.             <tr>
  125.               <td rowspan="2" align="center" valign="top" width="25">
  126.                 <img alt="[Warning]" src="../images/warning.png" />
  127.               </td>
  128.               <th align="left">Warning</th>
  129.             </tr>
  130.             <tr>
  131.               <td align="left" valign="top">
  132.                 <p>
  133.         Unfortunately it turned out, that this filter is not working properly
  134.         for large images. Even more unfortunate is, that its developer is
  135.         currently not undertaking any actions with that plug-in at all, so
  136.         there seems no quick fix in sight. Although we can give you the exact
  137.         numbers, the plug-in worked in a quick test for a 1024x768 pixel
  138.         image, but didn't do it for a 2500x2500 pixel image.
  139.       </p>
  140.               </td>
  141.             </tr>
  142.           </table>
  143.         </div>
  144.         <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
  145.           <table border="0" summary="Note">
  146.             <tr>
  147.               <td rowspan="2" align="center" valign="top" width="25">
  148.                 <img alt="[Note]" src="../images/note.png" />
  149.               </td>
  150.               <th align="left">Note</th>
  151.             </tr>
  152.             <tr>
  153.               <td align="left" valign="top">
  154.                 <p>
  155.         This plug-in was given to GIMP by Scott Draves in 1997. He also holds
  156.         the copyright for the plug-in. An descriptive page for the plug-in,
  157.         provided by the author can be found in the internet
  158.         <a class="xref" href="bibliography.html#bibliography-online-gimp-plugin-flames" title="GIMP-Plugin Flames">[<abbr class="abbrev">PLUGIN-FLAMES</abbr>]</a>.
  159.       </p>
  160.               </td>
  161.             </tr>
  162.           </table>
  163.         </div>
  164.       </div>
  165.       <div class="sect3" lang="en" xml:lang="en">
  166.         <div class="titlepage">
  167.           <div>
  168.             <div>
  169.               <h4 class="title"><a id="id2770071"></a>11.4.2.¬†
  170.       <span lang="en" xml:lang="en">Options</span>
  171.     </h4>
  172.             </div>
  173.           </div>
  174.         </div>
  175.         <div class="figure">
  176.           <a id="id2770082"></a>
  177.           <p class="title">
  178.             <b>Figure¬†16.235.¬†
  179.         <span lang="en" xml:lang="en">
  180.           ‚Äú<span class="quote">Flame</span>‚Äù filter options
  181.         </span>
  182.       </b>
  183.           </p>
  184.           <div class="figure-contents">
  185.             <div class="mediaobject">
  186.               <img src="../images/filters/filters-render-flame.png" alt="Flame filter options" />
  187.             </div>
  188.           </div>
  189.         </div>
  190.         <br class="figure-break" />
  191.         <div class="variablelist">
  192.           <dl>
  193.             <dt>
  194.               <span class="term">Edit</span>
  195.             </dt>
  196.             <dd>
  197.               <div class="figure">
  198.                 <a id="id2770128"></a>
  199.                 <p class="title">
  200.                   <b>Figure¬†16.236.¬†
  201.               <span lang="en" xml:lang="en">The Edit Flame dialog</span>
  202.             </b>
  203.                 </p>
  204.                 <div class="figure-contents">
  205.                   <div class="mediaobject">
  206.                     <img src="../images/filters/filters-render-flame-edit.png" alt="The Edit Flame dialog" />
  207.                   </div>
  208.                 </div>
  209.               </div>
  210.               <br class="figure-break" />
  211.               <p>
  212.             Pressing this button brings up the Edit dialog.  The
  213.             dialog shows nine different windows. The pattern displayed
  214.             in the center is the current pattern, and the eight
  215.             windows surrounding it are random variations of that
  216.             pattern.  Clicking on the central image creates eight new
  217.             variations, which can be adjusted with the Speed
  218.             control. You select a variation by clicking on it, and it
  219.             instantly replaces the image in the middle. To pick a
  220.             certain character or theme for the variations, you can
  221.             choose from nine different themes in the Variations
  222.             menu. You can also use Randomize, which replaces the
  223.             current pattern with a new random pattern.
  224.           </p>
  225.             </dd>
  226.             <dt>
  227.               <span class="term">Open</span>
  228.             </dt>
  229.             <dd>
  230.               <p>
  231.             This button brings up a file selector that allows you to
  232.             open a previously saved Flame settings file.
  233.           </p>
  234.             </dd>
  235.             <dt>
  236.               <span class="term">Save</span>
  237.             </dt>
  238.             <dd>
  239.               <p>
  240.             This button brings up a file save dialog that allows you
  241.             to save the current settings for the plug-in, so that you
  242.             can recreate them later.
  243.           </p>
  244.             </dd>
  245.             <dt>
  246.               <span class="term">Rendering tab</span>
  247.             </dt>
  248.             <dd>
  249.               <div class="variablelist">
  250.                 <dl>
  251.                   <dt>
  252.                     <span class="term">Brightness</span>
  253.                   </dt>
  254.                   <dd>
  255.                     <p>
  256.                   Controls the brightness of the flame object.
  257.                 </p>
  258.                   </dd>
  259.                   <dt>
  260.                     <span class="term">Contrast</span>
  261.                   </dt>
  262.                   <dd>
  263.                     <p>
  264.                   Controls the contrast between brighter and dimmer parts of
  265.                   the flame.
  266.                 </p>
  267.                   </dd>
  268.                   <dt>
  269.                     <span class="term">Gamma</span>
  270.                   </dt>
  271.                   <dd>
  272.                     <p>
  273.                   Sets a gamma correction for parts with intermediate
  274.                   brightness.
  275.                 </p>
  276.                   </dd>
  277.                   <dt>
  278.                     <span class="term">Sample Density</span>
  279.                   </dt>
  280.                   <dd>
  281.                     <p>
  282.                   Controls the resolution of the rendered pattern.  (Does
  283.                   not have any effect on the preview.)  A high sample
  284.                   density results in soft and smooth
  285.                   rendering (like a spider's web), whereas low density
  286.                   rendering resembles spray or particle clouds.
  287.                 </p>
  288.                   </dd>
  289.                   <dt>
  290.                     <span class="term">Spatial Oversample</span>
  291.                   </dt>
  292.                   <dd>
  293.                     <p>
  294.                   What does this do?
  295.                 </p>
  296.                   </dd>
  297.                   <dt>
  298.                     <span class="term">Spatial Filter Radius</span>
  299.                   </dt>
  300.                   <dd>
  301.                     <p>
  302.                   What does this do?
  303.                 </p>
  304.                   </dd>
  305.                   <dt>
  306.                     <span class="term">Colormap</span>
  307.                   </dt>
  308.                   <dd>
  309.                     <p>
  310.                   This menu gives you several options to set the color blend
  311.                   in the flame pattern:
  312.                 </p>
  313.                     <div class="itemizedlist">
  314.                       <ul type="disc">
  315.                         <li>
  316.                           <p>
  317.                       The current gradient as shown in the Toolbox.
  318.                     </p>
  319.                         </li>
  320.                         <li>
  321.                           <p>
  322.                       A number of preset colormaps.
  323.                     </p>
  324.                         </li>
  325.                         <li>
  326.                           <p>
  327.                       The colors from images that are presently open in
  328.                       <acronym class="acronym">GIMP</acronym>.
  329.                     </p>
  330.                         </li>
  331.                       </ul>
  332.                     </div>
  333.                   </dd>
  334.                 </dl>
  335.               </div>
  336.             </dd>
  337.             <dt>
  338.               <span class="term">Camera tab</span>
  339.             </dt>
  340.             <dd>
  341.               <div class="variablelist">
  342.                 <dl>
  343.                   <dt>
  344.                     <span class="term">Zoom</span>
  345.                   </dt>
  346.                   <dd>
  347.                     <p>
  348.                   Allows you to zoom the flame in or out.
  349.                 </p>
  350.                   </dd>
  351.                   <dt>
  352.                     <span class="term">X, Y</span>
  353.                   </dt>
  354.                   <dd>
  355.                     <p>
  356.                   Allows you to move the flame around in the image area.
  357.                 </p>
  358.                   </dd>
  359.                 </dl>
  360.               </div>
  361.             </dd>
  362.           </dl>
  363.         </div>
  364.       </div>
  365.     </div>
  366.     <div class="navfooter">
  367.       <hr />
  368.       <table width="100%" summary="Navigation footer">
  369.         <tr>
  370.           <td width="40%" align="left"><a accesskey="p" href="plug-in-solid-noise.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  371.           <td width="20%" align="center">
  372.             <a accesskey="u" href="filters-render.html">
  373.               <img src="../images/up.png" alt="Up" />
  374.             </a>
  375.           </td>
  376.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-ifsfractal.html"><img src="../images/next.png" alt="Next" /></a></td>
  377.         </tr>
  378.         <tr>
  379.           <td width="40%" align="left" valign="top"><a accesskey="p" href="plug-in-solid-noise.html">11.3.¬†
  380.     <span lang="en" xml:lang="en">Solid Noise</span>
  381.   </a>¬†</td>
  382.           <td width="20%" align="center">
  383.             <a accesskey="h" href="index.html">
  384.               <img src="../images/home.png" alt="Home" />
  385.             </a>
  386.           </td>
  387.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-ifsfractal.html">11.5.¬†
  388.     <span lang="en" xml:lang="en">IFS Fractal</span>
  389.   </a></td>
  390.         </tr>
  391.       </table>
  392.     </div>
  393.   </body>
  394. </html>
  395.