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+  <title>CleanPolygon</title>
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+  <h1>CleanPolygon</h1>
+
+
+  <p class="Decl"><span class="Comment">Del.&raquo;</span> <b>function</b> CleanPolygon(<b>const</b> Poly: TPath; Distance: double = 1.415): TPath;</p>
+
+  <p class="Decl2"><span class="Comment"> C++&nbsp;&raquo;</span> <b>void</b> CleanPolygon(<b>const</b> Path &amp;in_poly, Path &amp;out_poly, double distance = 1.415);</p>
+
+  <p class="Decl2"><span class="Comment"> C++&nbsp;&raquo;</span> <b>void</b> CleanPolygon(Path &amp;poly, double distance = 1.415);</p>
+
+  <p class="Decl3"><span class="Comment">C#&nbsp;&nbsp;&raquo;</span> <b>public static</b> Path CleanPolygon(Path poly, double distance = 1.415);</p>
+<br>
+
+
+  <p class="Body"> Removes vertices: 
+    <ul>
+	
+      <li>that join co-linear edges, or join edges that are almost co-linear (such that if the vertex was moved no more than the specified distance the edges would be co-linear)</li>
+	
+      <li>that are within the specified distance of an adjacent vertex</li>
+	
+      <li>that are within the specified distance of a semi-adjacent vertex together with their out-lying vertices</li>
+
+    </ul> </p>
+
+  <p class="Body"> Vertices are <em>semi-adjacent</em> when they are separated by a single (out-lying) vertex.<br><br> The <em>distance</em> parameter's default value is approximately &radic;2 so that a vertex will be removed when adjacent or semi-adjacent vertices having their corresponding X and Y coordinates differing by no more than 1 unit. (If the egdes are semi-adjacent the out-lying vertex will be removed too.)<br><br> C++ only: This function is overloaded. In the first definition, the <em>in_poly</em> and <em>out_poly</em> parameters can reference the same <em>Path</em> object though in that case the calling code might be clearer if the second definition (accepting a single <em>Paths</em> parameter) is used.<br><br> <img src="../../../../Images/clean1.png" alt="" border="0">&nbsp;&nbsp;&nbsp; <img src="../../../../Images/clean2.png" alt="" border="0"> </p>
+
+
+
+
+
+  <h2 id="Auto-SeeAlso">See Also</h2>
+  <p class="Body"><a href="CleanPolygons.htm">CleanPolygons</a>, <a href="SimplifyPolygon.htm">SimplifyPolygon</a>, <a href="../Types/Path.htm">Path</a></p>
+    
+  <p class="Copyright" id="auto"> <br><br> Copyright &copy;2010-2014 Angus Johnson&nbsp; - &nbsp; Clipper 6.2.1 &nbsp; - &nbsp; Help file built on 1-November-2014 <br><br> </p>
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