OpenMesh
CatmullClarkT.hh
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41 
45 //=============================================================================
46 //
47 // CLASS CatmullClarkT
48 //
49 //=============================================================================
50 
51 
52 #ifndef OPENMESH_SUBDIVIDER_UNIFORM_CATMULLCLARKT_HH
53 #define OPENMESH_SUBDIVIDER_UNIFORM_CATMULLCLARKT_HH
54 
55 
56 //== INCLUDES =================================================================
57 
59 
60 // -------------------- STL
61 #if defined(OM_CC_MIPS)
62 # include <math.h>
63 #else
64 # include <cmath>
65 #endif
66 
67 //== FORWARDDECLARATIONS ======================================================
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace OpenMesh { // BEGIN_NS_OPENMESH
72 namespace Subdivider { // BEGIN_NS_SUBVIDER
73 namespace Uniform { // BEGIN_NS_UNIFORM
74 
75 //== CLASS DEFINITION =========================================================
76 
77 
84 template <typename MeshType, typename RealType = double>
85 class CatmullClarkT : public SubdividerT< MeshType, RealType >
86 {
87 public:
88 
89  typedef typename MeshType::FaceHandle FaceHandle;
90  typedef typename MeshType::VertexHandle VertexHandle;
91  typedef typename MeshType::EdgeHandle EdgeHandle;
92  typedef typename MeshType::HalfedgeHandle HalfedgeHandle;
93 
94  typedef typename MeshType::Point Point;
95  typedef typename MeshType::Normal Normal;
96  typedef typename MeshType::FaceIter FaceIter;
97  typedef typename MeshType::EdgeIter EdgeIter;
98  typedef typename MeshType::VertexIter VertexIter;
99 
100  typedef typename MeshType::VertexEdgeIter VertexEdgeIter;
101  typedef typename MeshType::VertexFaceIter VertexFaceIter;
102 
103  typedef typename MeshType::VOHIter VOHIter;
104 
106 
108  CatmullClarkT( ) : parent_t() { }
109 
111  explicit CatmullClarkT(MeshType &_m) : parent_t(_m) { }
112 
113  virtual ~CatmullClarkT() {}
114 
115 public:
116 
117  const char *name() const override { return "Uniform CatmullClark"; }
118 
119 protected:
120 
122  virtual bool prepare( MeshType& _m ) override;
123 
125  virtual bool cleanup( MeshType& _m ) override;
126 
134  virtual bool subdivide( MeshType& _m, size_t _n , const bool _update_points = true) override;
135 
136 private:
137 
138  //===========================================================================
141  //===========================================================================
142 
143  void split_edge( MeshType& _m, const EdgeHandle& _eh);
144 
145  void split_face( MeshType& _m, const FaceHandle& _fh);
146 
147  void compute_midpoint( MeshType& _m, const EdgeHandle& _eh, const bool _update_points);
148 
149  void update_vertex(MeshType& _m, const VertexHandle& _vh);
150 
154 private:
155  OpenMesh::VPropHandleT< Point > vp_pos_; // next vertex pos
156  OpenMesh::EPropHandleT< Point > ep_pos_; // new edge pts
157  OpenMesh::FPropHandleT< Point > fp_pos_; // new face pts
158  OpenMesh::EPropHandleT<double> creaseWeights_;// crease weights
159 
160 };
161 
162 
163 //=============================================================================
164 } // END_NS_UNIFORM
165 } // END_NS_SUBDIVIDER
166 } // END_NS_OPENMESH
167 //=============================================================================
168 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SUBDIVIDER_UNIFORM_CATMULLCLARK_CC)
169 # define OPENMESH_SUBDIVIDER_TEMPLATES
170 # include "CatmullClarkT_impl.hh"
171 #endif
172 //=============================================================================
173 #endif // OPENMESH_SUBDIVIDER_UNIFORM_CATMULLCLARKT_HH defined
174 //=============================================================================
175 
virtual bool cleanup(MeshType &_m) override
Remove properties and weights.
Definition: CatmullClarkT_impl.hh:83
virtual bool prepare(MeshType &_m) override
Initialize properties and weights.
Definition: CatmullClarkT_impl.hh:65
CatmullClarkT(MeshType &_m)
Constructor.
Definition: CatmullClarkT.hh:111
const char * name() const override
Return name of subdivision algorithm.
Definition: CatmullClarkT.hh:117
Abstract base class for uniform subdivision algorithms.
Definition: SubdividerT.hh:88
Based on code from Leon Kos, CAD lab, Mech.Eng., University of Ljubljana, Slovenia (http://www...
Definition: CatmullClarkT.hh:85
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:82
virtual bool subdivide(MeshType &_m, size_t _n, const bool _update_points=true) override
Execute n subdivision steps.
Definition: CatmullClarkT_impl.hh:96
CatmullClarkT()
Constructor.
Definition: CatmullClarkT.hh:108

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