add vcglib

vcglib/vcg/space/index/closest2d.h

@@ -0,0 +1,72 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+
+#ifndef __VCG_TRIMESH_CLOSEST_2D
+#define __VCG_TRIMESH_CLOSEST_2D
+
+#include <math.h>
+#include <vcg/space/point2.h>
+#include <vcg/space/segment2.h>
+#include <vcg/space/box2.h>
+#include <vcg/simplex/face/distance.h>
+
+namespace vcg {
+    namespace tri {
+
+        //**MARKER CLASSES**//
+        template <class MESH_TYPE,class OBJ_TYPE>
+        class Tmark
+        {
+            MESH_TYPE *m;
+        public:
+            Tmark(){}
+            Tmark(	MESH_TYPE *m) {SetMesh(m);}
+            void UnMarkAll(){ vcg::tri::UnMarkAll(*m);}
+            bool IsMarked(OBJ_TYPE* obj){return (vcg::tri::IsMarked(*m,obj));}
+            void Mark(OBJ_TYPE* obj){ vcg::tri::Mark(*m,obj);}
+            void SetMesh(MESH_TYPE *_m)
+            {
+              m=_m;
+            }
+        };
+
+        template <class MESH, class GRID>
+            typename MESH::FaceType * GetClosestEdgeBase( MESH & mesh,GRID & gr,const typename GRID::CoordType & _p,
+                                                          const typename GRID::ScalarType _maxDist,typename GRID::ScalarType & _minDist,
+                                                          typename GRID::CoordType &_closestPt)
+        {
+            typedef typename GRID::ScalarType ScalarType;
+            typedef Point3<ScalarType> Point3x;
+            typedef FaceTmark<MESH> MarkerFace;
+            MarkerFace mf;
+            mf.SetMesh(&mesh);
+            vcg::PointSegment2DEPFunctor<ScalarType> PDistFunct;
+            _minDist=_maxDist;
+            return (gr.GetClosest(PDistFunct,mf,_p,_maxDist,_minDist,_closestPt));
+        }
+
+    }	 // end namespace tri
+}	 // end namespace vcg
+
+#endif