RailwayRouteOptimization/scripts/Draw/Line/LineTangent1/doc/LineTangent1_en.html

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<title>Tangent (Point, Circle)</title>
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<p style="text-align:right;"><a href="/doc/qcad/latest/reference/en/index.php?page=scripts/Draw/Line/LineTangent1/doc/LineTangent1">&#160;&#160;&#160;&#160;&#160;&#160;</a></p>
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<h2>Tangent (Point, Circle)</h2>
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<b>Toolbar / Icon:</b>
<br /><img src="../../doc/Line.png" width="40" height="40" />
&#160;&#160;&#160;
<img src="../doc/LineTangent1.png" width="40" height="40" />
&#160;&#160;&#160;
<br/>
<b>Menu:</b> <font face="courier new">Draw &gt; Line &gt; Tangent (Point, Circle)</font>
<br /><b>Shortcut:</b> <font face="courier new">L, T, 1</font>
<br /><b>Commands:</b> <font face="courier new">linetangent | tangent | lt1</font>
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<h3>Description</h3>
<p>Create tangents from a coordinate to an existing arc, circle or ellipse
entity with this tool.</p>
<h3>Usage</h3>
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<li>Choose the desired 
  
<a href="../../doc/Line_en.html#type">line type</a> in the options
toolbar.</li>
  
<li>Use the mouse to specify the location of the start point of the line or
enter a coordinate in the command line.</li>
  
<li>Click the entity to which you want to create the tangent. Usually, two
tangents are possible. When moving the mouse around, you can see a preview of
the tangent that will be created.</li>
</ol>
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