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diff --git a/polygon/poly2tri/sweep/cdt.h b/polygon/poly2tri/sweep/cdt.h
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+/* 
+ * Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors
+ * http://code.google.com/p/poly2tri/
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * * Neither the name of Poly2Tri nor the names of its contributors may be
+ *   used to endorse or promote products derived from this software without specific
+ *   prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+ 
+#ifndef CDT_H
+#define CDT_H
+
+#include "advancing_front.h"
+#include "sweep_context.h"
+#include "sweep.h"
+
+/**
+ * 
+ * @author Mason Green <mason.green@gmail.com>
+ *
+ */
+ 
+namespace p2t {
+
+class CDT
+{
+public:
+
+  /**
+   * Constructor - add polyline with non repeating points
+   * 
+   * @param polyline
+   */
+  CDT(std::vector<Point*> polyline);
+  
+   /**
+   * Destructor - clean up memory
+   */
+  ~CDT();
+  
+  /**
+   * Add a hole
+   * 
+   * @param polyline
+   */
+  void AddHole(std::vector<Point*> polyline);
+  
+  /**
+   * Add a steiner point
+   * 
+   * @param point
+   */
+  void AddPoint(Point* point);
+  
+  /**
+   * Triangulate - do this AFTER you've added the polyline, holes, and Steiner points
+   */
+  void Triangulate();
+  
+  /**
+   * Get CDT triangles
+   */
+  std::vector<Triangle*> GetTriangles();
+  
+  /**
+   * Get triangle map
+   */
+  std::list<Triangle*> GetMap();
+
+  private:
+
+  /**
+   * Internals
+   */
+   
+  SweepContext* sweep_context_;
+  Sweep* sweep_;
+
+};
+
+}
+
+#endif