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- <title>8.3.  Engrave</title>
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- <th colspan="3" align="center">8.3. 
- <span lang="en" xml:lang="en">Engrave</span>
- </th>
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- <th width="60%" align="center">8. 
- <span lang="en" xml:lang="en">Distort Filters</span>
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- <div>
- <div>
- <h3 class="title"><a id="plug-in-engrave"></a>8.3. 
- <span lang="en" xml:lang="en">Engrave</span>
- </h3>
- </div>
- <div>
- <div class="revhistory">
- <table border="1" width="100%" summary="Revision history">
- <tr>
- <th align="left" valign="top" colspan="3">
- <b>Revision History</b>
- </th>
- </tr>
- <tr>
- <td align="left">Revision $Revision: 2432 $</td>
- <td align="left">2008-03-24</td>
- <td align="left">alex falappa</td>
- </tr>
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- <a id="id2748465" class="indexterm"></a>
- <a id="id2748483" class="indexterm"></a>
- <div class="sect3" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id2748492"></a>8.3.1. 
- <span lang="en" xml:lang="en">Overview</span>
- </h4>
- </div>
- </div>
- </div>
- <div class="figure">
- <a id="id2748503"></a>
- <p class="title">
- <b>Figure 16.104. 
- <span lang="en" xml:lang="en">
- Example for the “<span class="quote">Engrave</span>” filter
- </span>
- </b>
- </p>
- <div class="figure-contents">
- <div class="mediaobject">
- <img src="../images/filters/examples/taj_orig.jpg" alt="Example for the Engrave filter" />
- <div class="caption">
- <p>Original image</p>
- </div>
- </div>
- <div class="mediaobject">
- <img src="../images/filters/examples/distort-taj-engrave.png" alt="Example for the Engrave filter" />
- <div class="caption">
- <p>“<span class="quote">Engrave</span>” applied</p>
- </div>
- </div>
- </div>
- </div>
- <br class="figure-break" />
- <p>
- This filter produces an engraving effect: the image is turned black and
- white and some horizontal lines of varying height are drawn depending
- on the value of underlying pixels. The resulting effect reminds of
- engravings found in coins and old book illustrations.
- </p>
- <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
- <table border="0" summary="Note">
- <tr>
- <td rowspan="2" align="center" valign="top" width="25">
- <img alt="[Note]" src="../images/note.png" />
- </td>
- <th align="left">Note</th>
- </tr>
- <tr>
- <td align="left" valign="top">
- <p>
- The “<span class="quote">Engrave</span>” filter operates only on floating selections
- and layers with an alpha channel. If the active layer does not have an
- alpha channel please <a class="link" href="gimp-layer-alpha-add.html" title="10.32.  Add Alpha Channel">add
- it</a> first.
- </p>
- </td>
- </tr>
- </table>
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- </div>
- <div class="sect3" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id2748604"></a>8.3.2. 
- <span lang="en" xml:lang="en">Activate the filter</span>
- </h4>
- </div>
- </div>
- </div>
- <p>
- This filter is found in the image window menu under
- <span class="guimenu"><span class="accel">F</span>ilters</span> ‚Üí <span class="guisubmenu">Distorts</span> ‚Üí <span class="guimenuitem">En<span class="accel">g</span>rave</span>.
- </p>
- </div>
- <div class="sect3" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h4 class="title"><a id="id2748650"></a>8.3.3. 
- <span lang="en" xml:lang="en">Options</span>
- </h4>
- </div>
- </div>
- </div>
- <div class="figure">
- <a id="id2748661"></a>
- <p class="title">
- <b>Figure 16.105. 
- <span lang="en" xml:lang="en">“<span class="quote">Engrave</span>” options</span>
- </b>
- </p>
- <div class="figure-contents">
- <div class="mediaobject">
- <img src="../images/filters/options-distort-engrave.png" alt="Engrave options" />
- </div>
- </div>
- </div>
- <br class="figure-break" />
- <div class="variablelist">
- <dl>
- <dt>
- <span class="term">Preview</span>
- </dt>
- <dd>
- <p>
- The result of your settings will appear in the Preview without
- affecting the image until you click on <span class="guibutton">OK</span>.
- </p>
- </dd>
- <dt>
- <span class="term">Height</span>
- </dt>
- <dd>
- <p>
- This option specifies the height of the engraving lines. The value
- goes from 2 to 16.
- </p>
- </dd>
- <dt>
- <span class="term">Limit line width</span>
- </dt>
- <dd>
- <p>
- If this option is enabled thin lines are not drawn on contiguous
- color areas. See the figure below for an example of this option
- result.
- </p>
- <div class="figure">
- <a id="id2748758"></a>
- <p class="title">
- <b>Figure 16.106. 
- <span lang="en" xml:lang="en">
- Example result of Limit line width option
- </span>
- </b>
- </p>
- <div class="figure-contents">
- <div class="mediaobject">
- <img src="../images/filters/examples/engrave_width_limit_original.png" alt="Example result of Limit line width option" />
- <div class="caption">
- <p>Original image</p>
- </div>
- </div>
- <div class="mediaobject">
- <img src="../images/filters/examples/engrave_width_limit_yes.png" alt="Example result of Limit line width option" />
- <div class="caption">
- <p>Limit line width option enabled</p>
- </div>
- </div>
- <div class="mediaobject">
- <img src="../images/filters/examples/engrave_width_limit_no.png" alt="Example result of Limit line width option" />
- <div class="caption">
- <p>Limit line width option disabled</p>
- </div>
- </div>
- </div>
- </div>
- <br class="figure-break" />
- </dd>
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- <span lang="en" xml:lang="en">IWarp</span>
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