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  4.   <head>
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  6.     <title>11.4.┬áGIMPressionist</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
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  10.     <link rel="start" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch06s11.html" title="11.┬áArtistic filters" />
  12.     <link rel="prev" href="ch06s11s03.html" title="11.3.┬áCubism" />
  13.     <link rel="next" href="ch06s11s05.html" title="11.5.┬áGIMPressionist- Orientation Map Editor" />
  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">11.┬áArtistic filters</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch06s11s03.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">11.4.┬áGIMPressionist</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch06s11s05.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>
  37.       <a id="id3487129" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/filters/filters-artistic-gimpressionist.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="id3487150"></a>Overview</h4>
  46.             </div>
  47.           </div>
  48.         </div>
  49.         <p>
  50.       This filter is found in 
  51.       <span class="guimenuitem">Image>Filters/Artistic/<span class="accel">G</span>IMPressionist...</span>.
  52.     </p>
  53.         <p>
  54.       It's the king of Artistic filters. It can do what Cubism and Apply 
  55.       Canvas do and much more. It gives your image the look of a painting. 
  56.       All is going as if your image was painted again on a paper and with a 
  57.       brush you'd have choosen. It works on the active layer or selection.
  58.     </p>
  59.       </div>
  60.       <div class="simplesect" lang="en" xml:lang="en">
  61.         <div class="titlepage">
  62.           <div>
  63.             <div>
  64.               <h4 class="title"><a id="id3487184"></a>Preview</h4>
  65.             </div>
  66.           </div>
  67.         </div>
  68.         <p>
  69.           All your setting changes will appear in the Preview without 
  70.           affecting the image until you click on <span class="guilabel">OK</span>. 
  71.           This preview is a little distorted as all the image is in a square. 
  72.           The <span class="emphasis"><em>Update</em></span> button refreshes the preview 
  73.           window (it is not automatical, Gimpressionist has so much work 
  74.           to do!), and the <span class="emphasis"><em>Reset</em></span> button reverts to the 
  75.           original image. 
  76.         </p>
  77.       </div>
  78.       <div class="simplesect" lang="en" xml:lang="en">
  79.         <div class="titlepage">
  80.           <div>
  81.             <div>
  82.               <h4 class="title"><a id="id3487216"></a>Presets</h4>
  83.             </div>
  84.           </div>
  85.         </div>
  86.         <p>
  87.           GIMPressionist has a lot of parameters. When combined, they 
  88.           give an astronomical number of possibilities. So, it is important, 
  89.           when an interesting preset has been found, to save it and also to 
  90.           send it to the plugin author if exceptionnal. Per contra, the 
  91.           intricracy of all these parameters makes difficult understanding 
  92.           and foreseeing how each one works.
  93.         </p>
  94.         <div class="itemizedlist">
  95.           <ul type="disc">
  96.             <li>
  97.               <p>
  98.                 <span class="guilabel">Save Current</span>: Save current parameters.
  99.               </p>
  100.             </li>
  101.             <li>
  102.               <p>
  103.               <span class="guilabel">Apply</span>: Load the parameters of the 
  104.               selected preset in the list.               
  105.               </p>
  106.             </li>
  107.             <li>
  108.               <p>
  109.                 <span class="guilabel">Delete</span>: Delete the selected preset.
  110.               </p>
  111.             </li>
  112.             <li>
  113.               <p>
  114.                 <span class="guilabel">Refresh</span>: Update the preset list.
  115.               </p>
  116.             </li>
  117.           </ul>
  118.         </div>
  119.       </div>
  120.       <div class="simplesect" lang="en" xml:lang="en">
  121.         <div class="titlepage">
  122.           <div>
  123.             <div>
  124.               <h4 class="title"><a id="id3487285"></a>Paper</h4>
  125.             </div>
  126.           </div>
  127.         </div>
  128.         <p>
  129.       This tab concerns the texture of the canvas your image will be 
  130.       painted on. You have a list of textures and a 
  131.       <span class="guilabel">Preview</span> for the selected texture.
  132.     </p>
  133.         <div class="variablelist">
  134.           <dl>
  135.             <dt>
  136.               <span class="term">Invert</span>
  137.             </dt>
  138.             <dd>
  139.               <p>
  140.             Inverts the paper texture: what was a hollow turns to a bump and 
  141.             vice-versa.
  142.           </p>
  143.             </dd>
  144.             <dt>
  145.               <span class="term">Overlay</span>
  146.             </dt>
  147.             <dd>
  148.               <p>
  149.             Apply the paper as it, without embossing it. It looks like if a 
  150.             transparent paper has been overlayed on the image.
  151.           </p>
  152.             </dd>
  153.             <dt>
  154.               <span class="term">Scale</span>
  155.             </dt>
  156.             <dd>
  157.               <p>
  158.             Specifies the scale of the texture (in % of the original file): 
  159.             controls the graininess of the texture.
  160.           </p>
  161.             </dd>
  162.             <dt>
  163.               <span class="term">Relief</span>
  164.             </dt>
  165.             <dd>
  166.               <p>
  167.             Specifies the amount of embossing to apply (3-150).
  168.           </p>
  169.             </dd>
  170.           </dl>
  171.         </div>
  172.       </div>
  173.       <div class="simplesect" lang="en" xml:lang="en">
  174.         <div class="titlepage">
  175.           <div>
  176.             <div>
  177.               <h4 class="title"><a id="id3487368"></a>Brush</h4>
  178.             </div>
  179.           </div>
  180.         </div>
  181.         <p>
  182.       "Brush" is a general term for any material used to paint. A list of 
  183.       brushes is available with a <span class="guilabel">Preview</span> for the 
  184.       selected one.
  185.     </p>
  186.         <div class="variablelist">
  187.           <dl>
  188.             <dt>
  189.               <span class="term">Select</span>
  190.             </dt>
  191.             <dd>
  192.               <p>
  193.           You can also use a brush pattern you have created by selecting its 
  194.           image (arrow button on the Select line). This image must be on 
  195.           your screen before you launch the filter to be taken in account. 
  196.           Of course, don't use big images.
  197.           </p>
  198.               <p>
  199.           If your image has several layers, they also will be displayed in 
  200.           the Select list and can be used as a brush. When selected, the 
  201.           layer appears in the brush preview and the normal brush is 
  202.           deselected.
  203.           </p>
  204.             </dd>
  205.             <dt>
  206.               <span class="term">Save as</span>
  207.             </dt>
  208.             <dd>
  209.               <p>
  210.           
  211.           </p>
  212.             </dd>
  213.             <dt>
  214.               <span class="term">Gamma</span>
  215.             </dt>
  216.             <dd>
  217.               <p>
  218.             Changes the gamma (luminosity) of the selected brush. The gamma 
  219.             correction brightens or darkens midtones.
  220.           </p>
  221.             </dd>
  222.             <dt>
  223.               <span class="term">Aspect ratio</span>
  224.             </dt>
  225.             <dd>
  226.               <p>
  227.             Specifies the brush proportions, height (0 -1) and width (0 +1).
  228.           </p>
  229.             </dd>
  230.             <dt>
  231.               <span class="term">Relief</span>
  232.             </dt>
  233.             <dd>
  234.               <p>
  235.           Specifies the amount of paint used for each stroke. This may evoke 
  236.           painting with a palette knife.
  237.           </p>
  238.             </dd>
  239.           </dl>
  240.         </div>
  241.       </div>
  242.       <div class="simplesect" lang="en" xml:lang="en">
  243.         <div class="titlepage">
  244.           <div>
  245.             <div>
  246.               <h4 class="title"><a id="id3487475"></a>Orientation</h4>
  247.             </div>
  248.           </div>
  249.         </div>
  250.         <p>  
  251.          This tab allows to set the orientation of the brush strokes. 
  252.          A painter is not obliged to go over with the same paintbrush angle.
  253.          To perform some effects, he can vary their orientation. 
  254.       </p>
  255.         <div class="variablelist">
  256.           <dl>
  257.             <dt>
  258.               <span class="term">Directions</span>
  259.             </dt>
  260.             <dd>
  261.               <p>
  262.             Number of brushes to use. This would rather be how many times 
  263.             the brush will pass through a same place, with each time a 
  264.             different direction, resulting in a more and more thin paint.
  265.           </p>
  266.             </dd>
  267.             <dt>
  268.               <span class="term">Start Angle</span>
  269.             </dt>
  270.             <dd>
  271.               <p>
  272.             Specifies the general direction of the strokes, the angle the 
  273.             angle range will start from. Directions are often choosen to 
  274.             give some movement to the image.
  275.           </p>
  276.             </dd>
  277.             <dt>
  278.               <span class="term">Angle Span</span>
  279.             </dt>
  280.             <dd>
  281.               <p>
  282.             Specifies the angle, the sector, of the stroke "fan".
  283.           </p>
  284.             </dd>
  285.             <dt>
  286.               <span class="term">Orientation</span>
  287.             </dt>
  288.             <dd>
  289.               <p>
  290.             Specifies the direction of the brush strokes.
  291.           </p>
  292.               <div class="itemizedlist">
  293.                 <ul type="disc">
  294.                   <li>
  295.                     <p>
  296.                 <span class="guilabel">Value</span>: Let the Value (luminosity) of 
  297.                 the region determine the direction of the stroke.
  298.               </p>
  299.                   </li>
  300.                   <li>
  301.                     <p>
  302.                 <span class="guilabel">Radius</span> : The distance from the center 
  303.                 of the image determines the direction of the stroke.
  304.               </p>
  305.                   </li>
  306.                   <li>
  307.                     <p>
  308.                 <span class="guilabel">Random</span> : Select a random direction for 
  309.                 each stroke.
  310.               </p>
  311.                   </li>
  312.                   <li>
  313.                     <p>
  314.                 <span class="guilabel">Radial</span> : Let the direction from the 
  315.                 center determine the direction of the stroke.
  316.               </p>
  317.                   </li>
  318.                   <li>
  319.                     <p>
  320.                 <span class="guilabel">Flowing</span> : Not a direction question here: 
  321.                 the strokes follow a "flowing" pattern.
  322.               </p>
  323.                   </li>
  324.                   <li>
  325.                     <p>
  326.                 <span class="guilabel">Hue</span> : Let the hue of 
  327.                 the region determine the direction of the stroke.
  328.               </p>
  329.                   </li>
  330.                   <li>
  331.                     <p>
  332.                 <span class="guilabel">Adaptive</span> : The brush direction that 
  333.                 matches the original image the closest is selected.
  334.               </p>
  335.                   </li>
  336.                   <li>
  337.                     <p>
  338.                 <span class="guilabel">Manual</span> : The <span class="guilabel">Edit</span> 
  339.                 button opens the 
  340.                 <a href="ch06s11s05.html" title="11.5.┬áGIMPressionist- Orientation Map Editor">Edit 
  341.                 orientation Map dialog</a> that allows you to set the 
  342.                 directions manually.
  343.               </p>
  344.                   </li>
  345.                 </ul>
  346.               </div>
  347.             </dd>
  348.           </dl>
  349.         </div>
  350.       </div>
  351.       <div class="simplesect" lang="en" xml:lang="en">
  352.         <div class="titlepage">
  353.           <div>
  354.             <div>
  355.               <h4 class="title"><a id="id3487668"></a>Size</h4>
  356.             </div>
  357.           </div>
  358.         </div>
  359.         <p>  
  360.         This tab allows you to set the number of brush sizes that will be 
  361.         used to paint, the limits of variation of these sizes and the 
  362.         criterion used to determine them. 
  363.       </p>
  364.         <div class="variablelist">
  365.           <dl>
  366.             <dt>
  367.               <span class="term">Three Sliders</span>
  368.             </dt>
  369.             <dd>
  370.               <p>
  371.             You can specify how many brush sizes are to be used and their 
  372.             sizes. 
  373.           </p>
  374.               <div class="itemizedlist">
  375.                 <ul type="disc">
  376.                   <li>
  377.                     <p>
  378.                 <span class="guilabel">Sizes</span>: The number of brush sizes to 
  379.                 use.
  380.               </p>
  381.                   </li>
  382.                   <li>
  383.                     <p>
  384.                 <span class="guilabel">Minimum Size</span> and 
  385.                 <span class="guilabel">Maximum Size </span>: The brush sizes are 
  386.                 between these two values. Greater the size, greater the 
  387.                 length and width of strokes.
  388.               </p>
  389.                   </li>
  390.                 </ul>
  391.               </div>
  392.             </dd>
  393.             <dt>
  394.               <span class="term">Sizes</span>
  395.             </dt>
  396.             <dd>
  397.               <p>
  398.             You have there options to specify how the size of strokes 
  399.             will be determined. 
  400.           </p>
  401.               <div class="itemizedlist">
  402.                 <ul type="disc">
  403.                   <li>
  404.                     <p>
  405.                 <span class="guilabel">Value</span>: Let the Value (luminosity) of 
  406.                 the region determine the size of the stroke.
  407.               </p>
  408.                   </li>
  409.                   <li>
  410.                     <p>
  411.                 <span class="guilabel">Radius</span> : The distance from the center 
  412.                 of the image determines the size of the stroke.
  413.               </p>
  414.                   </li>
  415.                   <li>
  416.                     <p>
  417.                 <span class="guilabel">Random</span> : Select a random size for each 
  418.                 stroke.
  419.               </p>
  420.                   </li>
  421.                   <li>
  422.                     <p>
  423.                 <span class="guilabel">Radial</span> : Let the direction from the 
  424.                 center determine the size of the stroke.
  425.               </p>
  426.                   </li>
  427.                   <li>
  428.                     <p>
  429.                 <span class="guilabel">Flowing</span> : Not a length question here: 
  430.                 the strokes follow a "flowing" pattern.
  431.               </p>
  432.                   </li>
  433.                   <li>
  434.                     <p>
  435.                 <span class="guilabel">Hue</span> : Let the hue of 
  436.                 the region determine the size of the stroke.
  437.               </p>
  438.                   </li>
  439.                   <li>
  440.                     <p>
  441.                 <span class="guilabel">Adaptive</span> : The brush size that matches 
  442.                 the original image the closest is selected.
  443.               </p>
  444.                   </li>
  445.                   <li>
  446.                     <p>
  447.                 <span class="guilabel">Manual</span> : The <span class="guilabel">Edit</span> 
  448.                 button opens the
  449.                 <a href="ch06s11s06.html" title="11.6.┬áGIMPressionist- Size Map Editor">Size Map Editor</a> 
  450.                 That allows you to specify the size of strokes by yourself.
  451.               </p>
  452.                   </li>
  453.                 </ul>
  454.               </div>
  455.             </dd>
  456.           </dl>
  457.         </div>
  458.       </div>
  459.       <div class="simplesect" lang="en" xml:lang="en">
  460.         <div class="titlepage">
  461.           <div>
  462.             <div>
  463.               <h4 class="title"><a id="id3487861"></a>Placement</h4>
  464.             </div>
  465.           </div>
  466.         </div>
  467.         <p>  
  468.         In this tab you can set how strokes will be distributed.        
  469.       </p>
  470.         <div class="variablelist">
  471.           <dl>
  472.             <dt>
  473.               <span class="term">Placement</span>
  474.             </dt>
  475.             <dd>
  476.               <p>
  477.         In the preview of the Orientation Map Editor, all small arrows look 
  478.         like a flow around objects. Inside this flow, strokes may be placed 
  479.         in two different ways:
  480.           </p>
  481.               <div class="itemizedlist">
  482.                 <ul type="disc">
  483.                   <li>
  484.                     <p>
  485.             <span class="guilabel">Randomly</span>: Places strokes ramdomly. This 
  486.             produces a more realistic paint.
  487.             </p>
  488.                   </li>
  489.                   <li>
  490.                     <p>
  491.             <span class="guilabel">Evenly</span>: Strokes are evenly distributed 
  492.             across the image.
  493.             </p>
  494.                   </li>
  495.                 </ul>
  496.               </div>
  497.             </dd>
  498.             <dt>
  499.               <span class="term">Other options</span>
  500.             </dt>
  501.             <dd>
  502.               <div class="itemizedlist">
  503.                 <ul type="disc">
  504.                   <li>
  505.                     <p>
  506.                 <span class="guilabel">Stroke Density</span>: The greater the density 
  507.                 the closer the strokes. With a low density, the paper or 
  508.                 background may be visible in unstroke areas.  
  509.               </p>
  510.                   </li>
  511.                   <li>
  512.                     <p>
  513.                 <span class="guilabel">Centerize</span>: Focus brush strokes around 
  514.                 center.
  515.               </p>
  516.                   </li>
  517.                 </ul>
  518.               </div>
  519.             </dd>
  520.           </dl>
  521.         </div>
  522.       </div>
  523.       <div class="simplesect" lang="en" xml:lang="en">
  524.         <div class="titlepage">
  525.           <div>
  526.             <div>
  527.               <h4 class="title"><a id="id3487955"></a>General</h4>
  528.             </div>
  529.           </div>
  530.         </div>
  531.         <p>  
  532.         In this tab you can set what will be the background and the relief 
  533.         of brush strokes.
  534.       </p>
  535.         <div class="variablelist">
  536.           <dl>
  537.             <dt>
  538.               <span class="term">Background</span>
  539.             </dt>
  540.             <dd>
  541.               <div class="itemizedlist">
  542.                 <ul type="disc">
  543.                   <li>
  544.                     <p>
  545.             <span class="guilabel">Keep Original</span>: Preserve the original image 
  546.             as a background.
  547.             </p>
  548.                   </li>
  549.                   <li>
  550.                     <p>
  551.             <span class="guilabel">From Paper</span>: Copy the texture of the 
  552.             selected paper as a background.
  553.             </p>
  554.                   </li>
  555.                   <li>
  556.                     <p>
  557.             <span class="guilabel">Solid</span>: By clicking on the color dwell you 
  558.             can select a solid colored background.
  559.             </p>
  560.                   </li>
  561.                   <li>
  562.                     <p>
  563.             <span class="guilabel">Transparent</span>: Use a transparent background. 
  564.             Only the painted strokes will be visible. This option is 
  565.             available only if your image has an Alpha channel.
  566.             </p>
  567.                   </li>
  568.                 </ul>
  569.               </div>
  570.             </dd>
  571.             <dt>
  572.               <span class="term">Edge type</span>
  573.             </dt>
  574.             <dd>
  575.               <div class="itemizedlist">
  576.                 <ul type="disc">
  577.                   <li>
  578.                     <p>
  579.                 <span class="guilabel">Paint Edges</span>: If it is disabled, a thin 
  580.                 border will not be painted around the outside border of the 
  581.                 image.
  582.               </p>
  583.                   </li>
  584.                   <li>
  585.                     <p>
  586.                 <span class="guilabel">Tileable</span>: If checked, the resulting 
  587.                 image will be seamlessly tileable. The right side will match 
  588.                 the left side and the top will match the bottom. This is 
  589.                 interesting if your image will be repeatedly used in a Web 
  590.                 background.  
  591.               </p>
  592.                   </li>
  593.                   <li>
  594.                     <p>
  595.                 <span class="guilabel">Edge Darken</span>: How much to darken the 
  596.                 edges of each brush stroke. This increases paint relief or 
  597.                 thickness. 
  598.               </p>
  599.                   </li>
  600.                 </ul>
  601.               </div>
  602.             </dd>
  603.             <dt>
  604.               <span class="term">Shadow</span>
  605.             </dt>
  606.             <dd>
  607.               <div class="itemizedlist">
  608.                 <ul type="disc">
  609.                   <li>
  610.                     <p>
  611.                 <span class="guilabel">Drop Shadow</span>: Add a shadow effect to each 
  612.                 brush stroke. 
  613.               </p>
  614.                   </li>
  615.                   <li>
  616.                     <p>
  617.                 <span class="guilabel">Shadow Darken</span>: How much to darken the 
  618.                 brush shadow.
  619.               </p>
  620.                   </li>
  621.                   <li>
  622.                     <p>
  623.                 <span class="guilabel">Shadow Depth</span>: How far apart from the 
  624.                 object the drop shadow should be. 
  625.               </p>
  626.                   </li>
  627.                   <li>
  628.                     <p>
  629.                 <span class="guilabel">Shadow Blur</span>: How much to blur the drop 
  630.                 shadow.
  631.               </p>
  632.                   </li>
  633.                   <li>
  634.                     <p>
  635.                 <span class="guilabel">Deviation Threshold</span>: A bail-out value 
  636.                 for adaptative selections. (sic!)
  637.               </p>
  638.                   </li>
  639.                 </ul>
  640.               </div>
  641.             </dd>
  642.           </dl>
  643.         </div>
  644.       </div>
  645.     </div>
  646.     <div class="navfooter">
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