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<meta name="abstract" content="Secure 3D Brush protects your intellectual property (IP) by degrading information at the geometrical level while preserving total model coherence."/>
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<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Secure 3D Brush</title>
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<a xmlns:mml="http://www.w3.org/1998/Math/MathML" name="hj-top"> </a><table xmlns:mml="http://www.w3.org/1998/Math/MathML" class="table1" id="table11"><tr><td><table class="DocHeader"><tr><td class="DocHeader1" colspan="2"><h1>Secure 3D Brush</h1></td></tr><tr><td class="DocHeader4" colspan="2"/></tr><tr><td class="DocHeader3"><table class="DocHeaderIntro" id="table12"><tr><td class="Intro1Only"><p class="header"><p class="abstract"><span class="shortdesc">Secure 3D Brush protects your intellectual property (IP) by degrading information at the geometrical level while preserving total model coherence. </span>
<p>To display this dialog box, optionally select one or more geometry actors, and then click 
<span class="ph uicontrol">Geometry</span> &gt; 
<span class="ph uicontrol">Secure</span> &gt; 
<span class="ph uicontrol">Secure 3D Brush</span> 
<img class="image" src="../Icons3DVIA/I_CPSGeometrySecure3DBrush.png" width="16" height="15"/>. Once you have selected your options, in the viewport, hold down the left-mouse button and drag over the selected actors. Press 
<span class="ph uicontrol">Esc</span> when finished.</p><p><span class="run-in">Important:
		</span> You cannot undo the effect of Secure 3D Brush.
</p>

<p>Notes:
    	<ul class="ul"><li class="li">Secure 3D Brush affects only selected actors. When no actors are selected, it affects the entire model.</li>
<li class="li">Measurement collaborative actors added to secured models do not have accurate values, and some measurements are not possible.</li>
<li class="li">Secure 3D Brush moves tessellation vertices to reduce accuracy. To remove tessellation vertices without affecting model accuracy, use 
<a class="xref" href="cps-r-Workshops-Simplification.htm#r-DecimationTab" title="Decimation reduces the number of triangles in the model, which in most cases (but not always) ends up in reducing file size.">Decimation Tab</a>.</li>
<li class="li">You can degrade the geometry of the entire model when you save it by selecting the 
<span class="ph uicontrol">Reduce accuracy</span> option.</li>
<li class="li">The Composer degradation approach prevents unauthorized reverse engineering because it is not based on a technology that traps the list of graphic primitives as they are sent to the graphic card (which is the case for Acrobat3D
<sup class="ph sup">®</sup>, for example).
</li>
<li class="li"/>
</ul>
</p>
</p>

</p></td></tr></table></td><td class="DocHeader2"><table class="DocTopics" id="table13"><tr><td class="TopicsTitle">Related Topics</td></tr><tr><td><a href="cps-t-Actors-Secure3DBrush.htm#cps-t-Actors-Secure3DBrush" class="link" title="You can use Secure 3D Brush to protect your intellectual property (IP) by degrading information at the geometrical level while preserving total model coherence.">Applying Secure 3D Brush</a></td></tr></table></td></tr></table>

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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" class="table" frame="void" border="1" rules="all"><tbody class="tbody"><tr class="row"><td class="entry" valign="top"><br/><img class="image" src="../CpsUserImages/Secure3DBrushOff.png" width="178" height="138"/><br/></td>
<td class="entry" valign="top"><br/><img class="image" src="../CpsUserImages/Secure3DBrushOn.png" width="174" height="141"/><br/></td>
</tr>
<tr class="row"><td class="entry" valign="top">Before
</td>
<td class="entry" valign="top">After
</td>
</tr>
</tbody>
</table>
</div>

<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" class="table" frame="void" border="1" rules="all"><thead class="thead" align="left"><tr class="row"><th class="entry" valign="top" id="d25793e76">Command Name</th>
<th class="entry" valign="top" id="d25793e78">Description</th>
</tr>
</thead>
<tbody class="tbody"><tr class="row"><td class="entry" valign="top" headers="d25793e76 "><span class="ph uicontrol">Radius</span></td>
<td class="entry" valign="top" headers="d25793e78 ">Defines the size of the area where degradation is applied.
</td>
</tr>
<tr class="row"><td class="entry" valign="top" headers="d25793e76 "><span class="ph uicontrol">Precision</span></td>
<td class="entry" valign="top" headers="d25793e78 ">Specifies the amount of accuracy loss. To transform the geometry, a grid is created. Each point of space is located in a box of this grid. The new coordinate of the point running is the center of the grid. Therefore, according to the dimensions you define, the maximum loss of information is controlled.</td>
</tr>
<tr class="row"><td class="entry" valign="top" headers="d25793e76 "><span class="ph uicontrol">Show</span></td>
<td class="entry" valign="top" headers="d25793e78 ">Displays Secure 3D Brush in the viewport.
</td>
</tr>
</tbody>
</table>
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