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  6.     <title>11.4.┬áGIMPressionist</title>
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  11.     <link rel="up" href="ch05s11.html" title="11.┬áArtistic filters" />
  12.     <link rel="previous" href="ch05s11s03.html" title="11.3.┬áCubism" />
  13.     <link rel="next" href="ch05s11s05.html" title="11.5.┬áGIMPressionist- Orientation Map Editor" />
  14.   </head>
  15.   <body>
  16.     <div class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center">11.4.┬áGIMPressionist</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch05s11s03.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center">11.┬áArtistic filters</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch05s11s05.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-gimpressionist"></a>11.4.┬áGIMPressionist</h3>
  34.           </div>
  35.         </div>
  36.         <div></div>
  37.       </div>
  38.       <a id="id2982889" class="indexterm"></a>
  39.       <div class="mediaobject">
  40.         <img src="../images/filters/filters-artistic-gimpressionist.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="id2982911"></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/Artistic/<span class="accel">G</span>IMPressionist...</span>.
  54.     </p>
  55.         <p>
  56.       It's the king of Artistic filters. It can do what Cubism and Apply 
  57.       Canvas do and much more. It gives your image the look of a painting. 
  58.       All is going as if your image was painted again on a paper and with a 
  59.       brush you'd have choosen. It works on the active layer or selection.
  60.     </p>
  61.       </div>
  62.       <div class="simplesect" lang="en" xml:lang="en">
  63.         <div class="titlepage">
  64.           <div></div>
  65.           <div></div>
  66.         </div>
  67.         <div class="variablelist">
  68.           <p class="title">
  69.             <b>Preview</b>
  70.           </p>
  71.           <dl>
  72.             <dt></dt>
  73.             <dd>
  74.               <p>
  75.           All your setting changes will appear in the Preview without 
  76.           affecting the image until you click on <span class="guilabel">OK</span>. 
  77.           This preview is a little distorted as all the image is in a square. 
  78.           The <span class="emphasis"><em>Update</em></span> button refreshes the preview 
  79.           window (it is not automatical, Gimpressionist has so much work 
  80.           to do!), and the <span class="emphasis"><em>Reset</em></span> button reverts to the 
  81.           original image. 
  82.           </p>
  83.             </dd>
  84.           </dl>
  85.         </div>
  86.         <div class="variablelist">
  87.           <p class="title">
  88.             <b>Presets</b>
  89.           </p>
  90.           <dl>
  91.             <dt></dt>
  92.             <dd>
  93.               <p>
  94.           GIMPressionist has a lot of parameters. When combined, they 
  95.           give an astronomical number of possibilities. So, it is important, 
  96.           when an interesting preset has been found, to save it and also to 
  97.           send it to the plugin author if exceptionnal. Per contra, the 
  98.           intricracy of all these parameters makes difficult understanding 
  99.           and foreseeing how each one works.
  100.           </p>
  101.               <div class="itemizedlist">
  102.                 <ul type="disc">
  103.                   <li>
  104.                     <p>
  105.                 <span class="guilabel">Save Current</span>: Save current parameters.
  106.               </p>
  107.                   </li>
  108.                   <li>
  109.                     <p>
  110.               <span class="guilabel">Apply</span>: Load the parameters of the 
  111.               selected preset in the list.               
  112.               </p>
  113.                   </li>
  114.                   <li>
  115.                     <p>
  116.                 <span class="guilabel">Delete</span>: Delete the selected preset.
  117.               </p>
  118.                   </li>
  119.                   <li>
  120.                     <p>
  121.                 <span class="guilabel">Refresh</span>: Update the preset list.
  122.               </p>
  123.                   </li>
  124.                 </ul>
  125.               </div>
  126.             </dd>
  127.           </dl>
  128.         </div>
  129.         <div class="variablelist">
  130.           <p class="title">
  131.             <b>Paper</b>
  132.           </p>
  133.           <p>
  134.         This tab concerns the texture of the canvas your image will be 
  135.         painted on. You have a list of textures and a 
  136.         <span class="guilabel">Preview</span> for the selected texture.
  137.       </p>
  138.           <dl>
  139.             <dt>
  140.               <span class="term">Invert</span>
  141.             </dt>
  142.             <dd>
  143.               <p>
  144.             Inverts the paper texture: what was a hollow turns to a bump and 
  145.             vice-versa.
  146.           </p>
  147.             </dd>
  148.             <dt>
  149.               <span class="term">Overlay</span>
  150.             </dt>
  151.             <dd>
  152.               <p>
  153.             Apply the paper as it, without embossing it. It looks like if a 
  154.             transparent paper has been overlayed on the image.
  155.           </p>
  156.             </dd>
  157.             <dt>
  158.               <span class="term">Scale</span>
  159.             </dt>
  160.             <dd>
  161.               <p>
  162.             Specifies the scale of the texture (in % of the original file): 
  163.             controls the graininess of the texture.
  164.           </p>
  165.             </dd>
  166.             <dt>
  167.               <span class="term">Relief</span>
  168.             </dt>
  169.             <dd>
  170.               <p>
  171.             Specifies the amount of embossing to apply (3-150).
  172.           </p>
  173.             </dd>
  174.           </dl>
  175.         </div>
  176.         <div class="variablelist">
  177.           <p class="title">
  178.             <b>Brush</b>
  179.           </p>
  180.           <p>
  181.         "Brush" is a general term for any material used to paint. A list of 
  182.         brushes is available with a <span class="guilabel">Preview</span> for the 
  183.         selected one.
  184.       </p>
  185.           <dl>
  186.             <dt>
  187.               <span class="term">Select</span>
  188.             </dt>
  189.             <dd>
  190.               <p>
  191.           You can also use a brush pattern you have created by selecting its 
  192.           image (arrow button on the Select line). This image must be on 
  193.           your screen before you launch the filter to be taken in account. 
  194.           Of course, don't use big images.
  195.           </p>
  196.               <p>
  197.           If your image has several layers, they also will be displayed in 
  198.           the Select list and can be used as a brush. When selected, the 
  199.           layer appears in the brush preview and the normal brush is 
  200.           deselected.
  201.           </p>
  202.             </dd>
  203.             <dt>
  204.               <span class="term">Save as</span>
  205.             </dt>
  206.             <dd>
  207.               <p>
  208.           
  209.           </p>
  210.             </dd>
  211.             <dt>
  212.               <span class="term">Gamma</span>
  213.             </dt>
  214.             <dd>
  215.               <p>
  216.             Changes the gamma (luminosity) of the selected brush. The gamma 
  217.             correction brightens or darkens midtones.
  218.           </p>
  219.             </dd>
  220.             <dt>
  221.               <span class="term">Aspect ratio</span>
  222.             </dt>
  223.             <dd>
  224.               <p>
  225.             Specifies the brush proportions, height (0 -1) and width (0 +1).
  226.           </p>
  227.             </dd>
  228.             <dt>
  229.               <span class="term">Relief</span>
  230.             </dt>
  231.             <dd>
  232.               <p>
  233.           Specifies the amount of paint used for each stroke. This may evoke 
  234.           painting with a palette knife.
  235.           </p>
  236.             </dd>
  237.           </dl>
  238.         </div>
  239.         <div class="variablelist">
  240.           <p class="title">
  241.             <b>Orientation</b>
  242.           </p>
  243.           <p>  
  244.          This tab allows to set the orientation of the brush strokes. 
  245.          A painter is not obliged to go over with the same paintbrush angle.
  246.          To perform some effects, he can vary their orientation. 
  247.       </p>
  248.           <dl>
  249.             <dt>
  250.               <span class="term">Directions</span>
  251.             </dt>
  252.             <dd>
  253.               <p>
  254.             Number of brushes to use. This would rather be how many times 
  255.             the brush will pass through a same place, with each time a 
  256.             different direction, resulting in a more and more thin paint.
  257.           </p>
  258.             </dd>
  259.             <dt>
  260.               <span class="term">Start Angle</span>
  261.             </dt>
  262.             <dd>
  263.               <p>
  264.             Specifies the general direction of the strokes, the angle the 
  265.             angle range will start from. Directions are often choosen to 
  266.             give some movement to the image.
  267.           </p>
  268.             </dd>
  269.             <dt>
  270.               <span class="term">Angle Span</span>
  271.             </dt>
  272.             <dd>
  273.               <p>
  274.             Specifies the angle, the sector, of the stroke "fan".
  275.           </p>
  276.             </dd>
  277.             <dt>
  278.               <span class="term">Orientation</span>
  279.             </dt>
  280.             <dd>
  281.               <p>
  282.             Specifies the direction of the brush strokes.
  283.           </p>
  284.               <div class="itemizedlist">
  285.                 <ul type="disc">
  286.                   <li>
  287.                     <p>
  288.                 <span class="guilabel">Value</span>: Let the Value (luminosity) of 
  289.                 the region determine the direction of the stroke.
  290.               </p>
  291.                   </li>
  292.                   <li>
  293.                     <p>
  294.                 <span class="guilabel">Radius</span> : The distance from the center 
  295.                 of the image determines the direction of the stroke.
  296.               </p>
  297.                   </li>
  298.                   <li>
  299.                     <p>
  300.                 <span class="guilabel">Random</span> : Select a random direction for 
  301.                 each stroke.
  302.               </p>
  303.                   </li>
  304.                   <li>
  305.                     <p>
  306.                 <span class="guilabel">Radial</span> : Let the direction from the 
  307.                 center determine the direction of the stroke.
  308.               </p>
  309.                   </li>
  310.                   <li>
  311.                     <p>
  312.                 <span class="guilabel">Flowing</span> : Not a direction question here: 
  313.                 the strokes follow a "flowing" pattern.
  314.               </p>
  315.                   </li>
  316.                   <li>
  317.                     <p>
  318.                 <span class="guilabel">Hue</span> : Let the hue of 
  319.                 the region determine the direction of the stroke.
  320.               </p>
  321.                   </li>
  322.                   <li>
  323.                     <p>
  324.                 <span class="guilabel">Adaptive</span> : The brush direction that 
  325.                 matches the original image the closest is selected.
  326.               </p>
  327.                   </li>
  328.                   <li>
  329.                     <p>
  330.                 <span class="guilabel">Manual</span> : The <span class="guilabel">Edit</span> 
  331.                 button opens the 
  332.                 <a href="ch05s11s05.html" title="11.5.┬áGIMPressionist- Orientation Map Editor">Edit 
  333.                 orientation Map dialog</a> that allows you to set the 
  334.                 directions manually.
  335.               </p>
  336.                   </li>
  337.                 </ul>
  338.               </div>
  339.             </dd>
  340.           </dl>
  341.         </div>
  342.         <div class="variablelist">
  343.           <p class="title">
  344.             <b>Size</b>
  345.           </p>
  346.           <p>  
  347.         This tab allows you to set the number of brush sizes that will be 
  348.         used to paint, the limits of variation of these sizes and the 
  349.         criterion used to determine them. 
  350.       </p>
  351.           <dl>
  352.             <dt>
  353.               <span class="term">Three Sliders</span>
  354.             </dt>
  355.             <dd>
  356.               <p>
  357.             You can specify how many brush sizes are to be used and their 
  358.             sizes. 
  359.           </p>
  360.               <div class="itemizedlist">
  361.                 <ul type="disc">
  362.                   <li>
  363.                     <p>
  364.                 <span class="guilabel">Sizes</span>: The number of brush sizes to 
  365.                 use.
  366.               </p>
  367.                   </li>
  368.                   <li>
  369.                     <p>
  370.                 <span class="guilabel">Minimum Size</span> and 
  371.                 <span class="guilabel">Maximum Size </span>: The brush sizes are 
  372.                 between these two values. Greater the size, greater the 
  373.                 length and width of strokes.
  374.               </p>
  375.                   </li>
  376.                 </ul>
  377.               </div>
  378.             </dd>
  379.             <dt>
  380.               <span class="term">Sizes</span>
  381.             </dt>
  382.             <dd>
  383.               <p>
  384.             You have there options to specify how the size of strokes 
  385.             will be determined. 
  386.           </p>
  387.               <div class="itemizedlist">
  388.                 <ul type="disc">
  389.                   <li>
  390.                     <p>
  391.                 <span class="guilabel">Value</span>: Let the Value (luminosity) of 
  392.                 the region determine the size of the stroke.
  393.               </p>
  394.                   </li>
  395.                   <li>
  396.                     <p>
  397.                 <span class="guilabel">Radius</span> : The distance from the center 
  398.                 of the image determines the size of the stroke.
  399.               </p>
  400.                   </li>
  401.                   <li>
  402.                     <p>
  403.                 <span class="guilabel">Random</span> : Select a random size for each 
  404.                 stroke.
  405.               </p>
  406.                   </li>
  407.                   <li>
  408.                     <p>
  409.                 <span class="guilabel">Radial</span> : Let the direction from the 
  410.                 center determine the size of the stroke.
  411.               </p>
  412.                   </li>
  413.                   <li>
  414.                     <p>
  415.                 <span class="guilabel">Flowing</span> : Not a length question here: 
  416.                 the strokes follow a "flowing" pattern.
  417.               </p>
  418.                   </li>
  419.                   <li>
  420.                     <p>
  421.                 <span class="guilabel">Hue</span> : Let the hue of 
  422.                 the region determine the size of the stroke.
  423.               </p>
  424.                   </li>
  425.                   <li>
  426.                     <p>
  427.                 <span class="guilabel">Adaptive</span> : The brush size that matches 
  428.                 the original image the closest is selected.
  429.               </p>
  430.                   </li>
  431.                   <li>
  432.                     <p>
  433.                 <span class="guilabel">Manual</span> : The <span class="guilabel">Edit</span> 
  434.                 button opens the
  435.                 <a href="ch05s11s06.html" title="11.6.┬áGIMPressionist- Size Map Editor">Size Map Editor</a> 
  436.                 That allows you to specify the size of strokes by yourself.
  437.               </p>
  438.                   </li>
  439.                 </ul>
  440.               </div>
  441.             </dd>
  442.           </dl>
  443.         </div>
  444.         <div class="variablelist">
  445.           <p class="title">
  446.             <b>Placement</b>
  447.           </p>
  448.           <p>  
  449.         In this tab you can set how strokes will be distributed.        
  450.       </p>
  451.           <dl>
  452.             <dt>
  453.               <span class="term">Placement</span>
  454.             </dt>
  455.             <dd>
  456.               <p>
  457.         In the preview of the Orientation Map Editor, all small arrows look 
  458.         like a flow around objects. Inside this flow, strokes may be placed 
  459.         in two different ways:
  460.           </p>
  461.               <div class="itemizedlist">
  462.                 <ul type="disc">
  463.                   <li>
  464.                     <p>
  465.             <span class="guilabel">Randomly</span>: Places strokes ramdomly. This 
  466.             produces a more realistic paint.
  467.             </p>
  468.                   </li>
  469.                   <li>
  470.                     <p>
  471.             <span class="guilabel">Evenly</span>: Strokes are evenly distributed 
  472.             across the image.
  473.             </p>
  474.                   </li>
  475.                 </ul>
  476.               </div>
  477.             </dd>
  478.             <dt>
  479.               <span class="term">Other options</span>
  480.             </dt>
  481.             <dd>
  482.               <div class="itemizedlist">
  483.                 <ul type="disc">
  484.                   <li>
  485.                     <p>
  486.                 <span class="guilabel">Stroke Density</span>: The greater the density 
  487.                 the closer the strokes. With a low density, the paper or 
  488.                 background may be visible in unstroke areas.  
  489.               </p>
  490.                   </li>
  491.                   <li>
  492.                     <p>
  493.                 <span class="guilabel">Centerize</span>: Focus brush strokes around 
  494.                 center.
  495.               </p>
  496.                   </li>
  497.                 </ul>
  498.               </div>
  499.             </dd>
  500.           </dl>
  501.         </div>
  502.         <div class="variablelist">
  503.           <p class="title">
  504.             <b>General</b>
  505.           </p>
  506.           <p>  
  507.         In this tab you can set what will be the background and the relief 
  508.         of brush strokes.
  509.       </p>
  510.           <dl>
  511.             <dt>
  512.               <span class="term">Background</span>
  513.             </dt>
  514.             <dd>
  515.               <div class="itemizedlist">
  516.                 <ul type="disc">
  517.                   <li>
  518.                     <p>
  519.             <span class="guilabel">Keep Original</span>: Preserve the original image 
  520.             as a background.
  521.             </p>
  522.                   </li>
  523.                   <li>
  524.                     <p>
  525.             <span class="guilabel">From Paper</span>: Copy the texture of the 
  526.             selected paper as a background.
  527.             </p>
  528.                   </li>
  529.                   <li>
  530.                     <p>
  531.             <span class="guilabel">Solid</span>: By clicking on the color dwell you 
  532.             can select a solid colored background.
  533.             </p>
  534.                   </li>
  535.                   <li>
  536.                     <p>
  537.             <span class="guilabel">Transparent</span>: Use a transparent background. 
  538.             Only the painted strokes will be visible. This option is 
  539.             available only if your image has an Alpha channel.
  540.             </p>
  541.                   </li>
  542.                 </ul>
  543.               </div>
  544.             </dd>
  545.             <dt>
  546.               <span class="term">Edge type</span>
  547.             </dt>
  548.             <dd>
  549.               <div class="itemizedlist">
  550.                 <ul type="disc">
  551.                   <li>
  552.                     <p>
  553.                 <span class="guilabel">Paint Edges</span>: If it is disabled, a thin 
  554.                 border will not be painted around the outside border of the 
  555.                 image.
  556.               </p>
  557.                   </li>
  558.                   <li>
  559.                     <p>
  560.                 <span class="guilabel">Tileable</span>: If checked, the resulting 
  561.                 image will be seamlessly tileable. The right side will match 
  562.                 the left side and the top will match the bottom. This is 
  563.                 interesting if your image will be repeatedly used in a Web 
  564.                 background.  
  565.               </p>
  566.                   </li>
  567.                   <li>
  568.                     <p>
  569.                 <span class="guilabel">Edge Darken</span>: How much to darken the 
  570.                 edges of each brush stroke. This increases paint relief or 
  571.                 thickness. 
  572.               </p>
  573.                   </li>
  574.                 </ul>
  575.               </div>
  576.             </dd>
  577.             <dt>
  578.               <span class="term">Shadow</span>
  579.             </dt>
  580.             <dd>
  581.               <div class="itemizedlist">
  582.                 <ul type="disc">
  583.                   <li>
  584.                     <p>
  585.                 <span class="guilabel">Drop Shadow</span>: Add a shadow effect to each 
  586.                 brush stroke. 
  587.               </p>
  588.                   </li>
  589.                   <li>
  590.                     <p>
  591.                 <span class="guilabel">Shadow Darken</span>: How much to darken the 
  592.                 brush shadow.
  593.               </p>
  594.                   </li>
  595.                   <li>
  596.                     <p>
  597.                 <span class="guilabel">Shadow Depth</span>: How far apart from the 
  598.                 object the drop shadow should be. 
  599.               </p>
  600.                   </li>
  601.                   <li>
  602.                     <p>
  603.                 <span class="guilabel">Shadow Blur</span>: How much to blur the drop 
  604.                 shadow.
  605.               </p>
  606.                   </li>
  607.                   <li>
  608.                     <p>
  609.                 <span class="guilabel">Deviation Threshold</span>: A bail-out value 
  610.                 for adaptative selections. (sic!)
  611.               </p>
  612.                   </li>
  613.                 </ul>
  614.               </div>
  615.             </dd>
  616.           </dl>
  617.         </div>
  618.       </div>
  619.     </div>
  620.     <div class="navfooter">
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