1115 lines
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1115 lines
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<div class="subTitle">org.opencv.imgproc</div>
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<h2 title="Class Subdiv2D" class="title">Class Subdiv2D</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">Subdiv2D</span>
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extends java.lang.Object</pre>
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<caption><span>Fields</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#NEXT_AROUND_DST">NEXT_AROUND_DST</a></span></code> </td>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#NEXT_AROUND_LEFT">NEXT_AROUND_LEFT</a></span></code> </td>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#NEXT_AROUND_ORG">NEXT_AROUND_ORG</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#NEXT_AROUND_RIGHT">NEXT_AROUND_RIGHT</a></span></code> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PREV_AROUND_DST">PREV_AROUND_DST</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PREV_AROUND_LEFT">PREV_AROUND_LEFT</a></span></code> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PREV_AROUND_ORG">PREV_AROUND_ORG</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PREV_AROUND_RIGHT">PREV_AROUND_RIGHT</a></span></code> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PTLOC_ERROR">PTLOC_ERROR</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PTLOC_INSIDE">PTLOC_INSIDE</a></span></code> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PTLOC_ON_EDGE">PTLOC_ON_EDGE</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PTLOC_OUTSIDE_RECT">PTLOC_OUTSIDE_RECT</a></span></code> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#PTLOC_VERTEX">PTLOC_VERTEX</a></span></code> </td>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<h3>Constructor Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#Subdiv2D--">Subdiv2D</a></span>()</code>
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<div class="block">creates an empty Subdiv2D object.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#Subdiv2D-org.opencv.core.Rect-">Subdiv2D</a></span>(<a href="../../../org/opencv/core/Rect.html" title="class in org.opencv.core">Rect</a> rect)</code> </td>
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<!-- ========== METHOD SUMMARY =========== -->
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<h3>Method Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>static <a href="../../../org/opencv/imgproc/Subdiv2D.html" title="class in org.opencv.imgproc">Subdiv2D</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long addr)</code> </td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#edgeDst-int-">edgeDst</a></span>(int edge)</code>
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<div class="block">Returns the edge destination.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#edgeDst-int-org.opencv.core.Point-">edgeDst</a></span>(int edge,
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<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> dstpt)</code>
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<div class="block">Returns the edge destination.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#edgeOrg-int-">edgeOrg</a></span>(int edge)</code>
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<div class="block">Returns the edge origin.</div>
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</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#edgeOrg-int-org.opencv.core.Point-">edgeOrg</a></span>(int edge,
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<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> orgpt)</code>
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<div class="block">Returns the edge origin.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#findNearest-org.opencv.core.Point-">findNearest</a></span>(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt)</code>
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<div class="block">Finds the subdivision vertex closest to the given point.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#findNearest-org.opencv.core.Point-org.opencv.core.Point-">findNearest</a></span>(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt,
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<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> nearestPt)</code>
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<div class="block">Finds the subdivision vertex closest to the given point.</div>
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</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getEdge-int-int-">getEdge</a></span>(int edge,
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int nextEdgeType)</code>
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<div class="block">Returns one of the edges related to the given edge.</div>
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</td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getEdgeList-org.opencv.core.MatOfFloat4-">getEdgeList</a></span>(<a href="../../../org/opencv/core/MatOfFloat4.html" title="class in org.opencv.core">MatOfFloat4</a> edgeList)</code>
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<div class="block">Returns a list of all edges.</div>
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</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getLeadingEdgeList-org.opencv.core.MatOfInt-">getLeadingEdgeList</a></span>(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> leadingEdgeList)</code>
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<div class="block">Returns a list of the leading edge ID connected to each triangle.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getNativeObjAddr--">getNativeObjAddr</a></span>()</code> </td>
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</tr>
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<tr id="i11" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getTriangleList-org.opencv.core.MatOfFloat6-">getTriangleList</a></span>(<a href="../../../org/opencv/core/MatOfFloat6.html" title="class in org.opencv.core">MatOfFloat6</a> triangleList)</code>
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<div class="block">Returns a list of all triangles.</div>
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</td>
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</tr>
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<tr id="i12" class="altColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getVertex-int-">getVertex</a></span>(int vertex)</code>
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<div class="block">Returns vertex location from vertex ID.</div>
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</td>
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</tr>
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<tr id="i13" class="rowColor">
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<td class="colFirst"><code><a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getVertex-int-int:A-">getVertex</a></span>(int vertex,
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int[] firstEdge)</code>
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<div class="block">Returns vertex location from vertex ID.</div>
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</td>
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</tr>
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<tr id="i14" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#getVoronoiFacetList-org.opencv.core.MatOfInt-java.util.List-org.opencv.core.MatOfPoint2f-">getVoronoiFacetList</a></span>(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> idx,
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java.util.List<<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a>> facetList,
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<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a> facetCenters)</code>
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<div class="block">Returns a list of all Voronoi facets.</div>
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</td>
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</tr>
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<tr id="i15" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#initDelaunay-org.opencv.core.Rect-">initDelaunay</a></span>(<a href="../../../org/opencv/core/Rect.html" title="class in org.opencv.core">Rect</a> rect)</code>
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#insert-org.opencv.core.MatOfPoint2f-">insert</a></span>(<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a> ptvec)</code>
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#insert-org.opencv.core.Point-">insert</a></span>(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt)</code>
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#locate-org.opencv.core.Point-int:A-int:A-">locate</a></span>(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt,
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<td class="colFirst"><code>int</code></td>
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/imgproc/Subdiv2D.html#rotateEdge-int-int-">rotateEdge</a></span>(int edge,
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<td class="colFirst"><code>int</code></td>
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PREV_AROUND_LEFT previous around the left facet (reversed eOnext )
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PREV_AROUND_RIGHT previous around the right facet (reversed eDnext )
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</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>edge ID related to the input edge.</dd>
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<pre>public void getEdgeList(<a href="../../../org/opencv/core/MatOfFloat4.html" title="class in org.opencv.core">MatOfFloat4</a> edgeList)</pre>
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<div class="block">Returns a list of all edges.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>edgeList</code> - Output vector.
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The function gives each edge as a 4 numbers vector, where each two are one of the edge
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vertices. i.e. org_x = v[0], org_y = v[1], dst_x = v[2], dst_y = v[3].</dd>
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<pre>public void getLeadingEdgeList(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> leadingEdgeList)</pre>
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<div class="block">Returns a list of the leading edge ID connected to each triangle.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>leadingEdgeList</code> - Output vector.
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The function gives one edge ID for each triangle.</dd>
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<pre>public void getTriangleList(<a href="../../../org/opencv/core/MatOfFloat6.html" title="class in org.opencv.core">MatOfFloat6</a> triangleList)</pre>
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<div class="block">Returns a list of all triangles.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>triangleList</code> - Output vector.
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The function gives each triangle as a 6 numbers vector, where each two are one of the triangle
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vertices. i.e. p1_x = v[0], p1_y = v[1], p2_x = v[2], p2_y = v[3], p3_x = v[4], p3_y = v[5].</dd>
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<pre>public <a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> getVertex(int vertex)</pre>
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<div class="block">Returns vertex location from vertex ID.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>vertex</code> - vertex ID.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>vertex (x,y)</dd>
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<pre>public <a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> getVertex(int vertex,
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int[] firstEdge)</pre>
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<div class="block">Returns vertex location from vertex ID.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>vertex</code> - vertex ID.</dd>
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<dd><code>firstEdge</code> - Optional. The first edge ID which is connected to the vertex.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>vertex (x,y)</dd>
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</dl>
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</ul>
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<h4>getVoronoiFacetList</h4>
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<pre>public void getVoronoiFacetList(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> idx,
|
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java.util.List<<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a>> facetList,
|
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<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a> facetCenters)</pre>
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<div class="block">Returns a list of all Voronoi facets.</div>
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<dl>
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
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<dd><code>idx</code> - Vector of vertices IDs to consider. For all vertices you can pass empty vector.</dd>
|
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<dd><code>facetList</code> - Output vector of the Voronoi facets.</dd>
|
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<dd><code>facetCenters</code> - Output vector of the Voronoi facets center points.</dd>
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</dl>
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</ul>
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<pre>public void initDelaunay(<a href="../../../org/opencv/core/Rect.html" title="class in org.opencv.core">Rect</a> rect)</pre>
|
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<div class="block">Creates a new empty Delaunay subdivision</div>
|
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<dl>
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
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<dd><code>rect</code> - Rectangle that includes all of the 2D points that are to be added to the subdivision.</dd>
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</dl>
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<pre>public void insert(<a href="../../../org/opencv/core/MatOfPoint2f.html" title="class in org.opencv.core">MatOfPoint2f</a> ptvec)</pre>
|
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<div class="block">Insert multiple points into a Delaunay triangulation.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
|
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<dd><code>ptvec</code> - Points to insert.
|
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|
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The function inserts a vector of points into a subdivision and modifies the subdivision topology
|
|
appropriately.</dd>
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</dl>
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<pre>public int insert(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt)</pre>
|
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<div class="block">Insert a single point into a Delaunay triangulation.</div>
|
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<dl>
|
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<dt><span class="paramLabel">Parameters:</span></dt>
|
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<dd><code>pt</code> - Point to insert.
|
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|
|
The function inserts a single point into a subdivision and modifies the subdivision topology
|
|
appropriately. If a point with the same coordinates exists already, no new point is added.</dd>
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
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<dd>the ID of the point.
|
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<b>Note:</b> If the point is outside of the triangulation specified rect a runtime error is raised.</dd>
|
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</dl>
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<a name="locate-org.opencv.core.Point-int:A-int:A-">
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<h4>locate</h4>
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<pre>public int locate(<a href="../../../org/opencv/core/Point.html" title="class in org.opencv.core">Point</a> pt,
|
|
int[] edge,
|
|
int[] vertex)</pre>
|
|
<div class="block">Returns the location of a point within a Delaunay triangulation.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>pt</code> - Point to locate.</dd>
|
|
<dd><code>edge</code> - Output edge that the point belongs to or is located to the right of it.</dd>
|
|
<dd><code>vertex</code> - Optional output vertex the input point coincides with.
|
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|
|
The function locates the input point within the subdivision and gives one of the triangle edges
|
|
or vertices.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>an integer which specify one of the following five cases for point location:
|
|
<ul>
|
|
<li>
|
|
The point falls into some facet. The function returns #PTLOC_INSIDE and edge will contain one of
|
|
edges of the facet.
|
|
</li>
|
|
<li>
|
|
The point falls onto the edge. The function returns #PTLOC_ON_EDGE and edge will contain this edge.
|
|
</li>
|
|
<li>
|
|
The point coincides with one of the subdivision vertices. The function returns #PTLOC_VERTEX and
|
|
vertex will contain a pointer to the vertex.
|
|
</li>
|
|
<li>
|
|
The point is outside the subdivision reference rectangle. The function returns #PTLOC_OUTSIDE_RECT
|
|
and no pointers are filled.
|
|
</li>
|
|
<li>
|
|
One of input arguments is invalid. A runtime error is raised or, if silent or "parent" error
|
|
processing mode is selected, #PTLOC_ERROR is returned.
|
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</li>
|
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</ul></dd>
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</dl>
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<h4>nextEdge</h4>
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<pre>public int nextEdge(int edge)</pre>
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<div class="block">Returns next edge around the edge origin.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>edge</code> - Subdivision edge ID.</dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>an integer which is next edge ID around the edge origin: eOnext on the
|
|
picture above if e is the input edge).</dd>
|
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</dl>
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</li>
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</ul>
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<h4>rotateEdge</h4>
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<pre>public int rotateEdge(int edge,
|
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int rotate)</pre>
|
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<div class="block">Returns another edge of the same quad-edge.</div>
|
|
<dl>
|
|
<dt><span class="paramLabel">Parameters:</span></dt>
|
|
<dd><code>edge</code> - Subdivision edge ID.</dd>
|
|
<dd><code>rotate</code> - Parameter specifying which of the edges of the same quad-edge as the input
|
|
one to return. The following values are possible:
|
|
<ul>
|
|
<li>
|
|
0 - the input edge ( e on the picture below if e is the input edge)
|
|
</li>
|
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<li>
|
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1 - the rotated edge ( eRot )
|
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</li>
|
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<li>
|
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2 - the reversed edge (reversed e (in green))
|
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</li>
|
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<li>
|
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3 - the reversed rotated edge (reversed eRot (in green))
|
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</li>
|
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</ul></dd>
|
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<dt><span class="returnLabel">Returns:</span></dt>
|
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<dd>one of the edges ID of the same quad-edge as the input edge.</dd>
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</dl>
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<pre>public int symEdge(int edge)</pre>
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</ul>
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</li>
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