| OpenMesh

VHierarchy.hh
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41
42
43
44 //=============================================================================
45 //
46 // CLASS newClass
47 //
48 //=============================================================================
49
50 #ifndef OPENMESH_VDPROGMESH_VHIERARCHY_HH
51 #define OPENMESH_VDPROGMESH_VHIERARCHY_HH
52
53
54 //== INCLUDES =================================================================
55
56 #include <vector>
57 #include <OpenMesh/Tools/VDPM/VHierarchyNode.hh>
58
59
60 //== FORWARDDECLARATIONS ======================================================
61
62
63 //== NAMESPACES ===============================================================
64
65 namespace OpenMesh {
66 namespace VDPM {
67
68 //== CLASS DEFINITION =========================================================
69
70
73 class OPENMESHDLLEXPORT VHierarchy
74 {
75 public:
76
77 typedef unsigned int id_t;
78
79 private:
80
81 VHierarchyNodeContainer nodes_;
82 unsigned int n_roots_;
83 unsigned char tree_id_bits_; // node_id_bits_ = 32-tree_id_bits_;
84
85 public:
86
87 VHierarchy();
88
89 void clear() { nodes_.clear(); n_roots_ = 0; }
90 unsigned char tree_id_bits() const { return tree_id_bits_; }
91 unsigned int num_roots() const { return n_roots_; }
92 size_t num_nodes() const { return nodes_.size(); }
93
94 VHierarchyNodeIndex generate_node_index(id_t _tree_id, id_t _node_id)
95 {
96 return VHierarchyNodeIndex(_tree_id, _node_id, tree_id_bits_);
97 }
98
99
100 void set_num_roots(unsigned int _n_roots);
101
102 VHierarchyNodeHandle root_handle(unsigned int i) const
103 {
104 return VHierarchyNodeHandle( (int)i );
105 }
106
107
108 const VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle) const
109 {
110 return nodes_[_vhierarchynode_handle.idx()];
111 }
112
113
114 VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle)
115 {
116 return nodes_[_vhierarchynode_handle.idx()];
117 }
118
119 VHierarchyNodeHandle add_node();
120 VHierarchyNodeHandle add_node(const VHierarchyNode &_node);
121
122 void make_children(VHierarchyNodeHandle &_parent_handle);
123
124 bool is_ancestor(VHierarchyNodeIndex _ancestor_index,
125 VHierarchyNodeIndex _descendent_index);
126
127 bool is_leaf_node(VHierarchyNodeHandle _node_handle)
128 { return nodes_[_node_handle.idx()].is_leaf(); }
129
130 bool is_root_node(VHierarchyNodeHandle _node_handle)
131 { return nodes_[_node_handle.idx()].is_root(); }
132
133
134 const OpenMesh::Vec3f& normal(VHierarchyNodeHandle _node_handle) const
135 {
136 return nodes_[_node_handle.idx()].normal();
137 }
138
139 const VHierarchyNodeIndex&
140 node_index(VHierarchyNodeHandle _node_handle) const
141 { return nodes_[_node_handle.idx()].node_index(); }
142
143 VHierarchyNodeIndex& node_index(VHierarchyNodeHandle _node_handle)
144 { return nodes_[_node_handle.idx()].node_index(); }
145
146 const VHierarchyNodeIndex&
147 fund_lcut_index(VHierarchyNodeHandle _node_handle) const
148 { return nodes_[_node_handle.idx()].fund_lcut_index(); }
149
150 VHierarchyNodeIndex& fund_lcut_index(VHierarchyNodeHandle _node_handle)
151 { return nodes_[_node_handle.idx()].fund_lcut_index(); }
152
153 const VHierarchyNodeIndex&
154 fund_rcut_index(VHierarchyNodeHandle _node_handle) const
155 { return nodes_[_node_handle.idx()].fund_rcut_index(); }
156
157 VHierarchyNodeIndex& fund_rcut_index(VHierarchyNodeHandle _node_handle)
158 { return nodes_[_node_handle.idx()].fund_rcut_index(); }
159
160 VertexHandle vertex_handle(VHierarchyNodeHandle _node_handle)
161 { return nodes_[_node_handle.idx()].vertex_handle(); }
162
163 VHierarchyNodeHandle parent_handle(VHierarchyNodeHandle _node_handle)
164 { return nodes_[_node_handle.idx()].parent_handle(); }
165
166 VHierarchyNodeHandle lchild_handle(VHierarchyNodeHandle _node_handle)
167 { return nodes_[_node_handle.idx()].lchild_handle(); }
168
169 VHierarchyNodeHandle rchild_handle(VHierarchyNodeHandle _node_handle)
170 { return nodes_[_node_handle.idx()].rchild_handle(); }
171
172 VHierarchyNodeHandle node_handle(VHierarchyNodeIndex _node_index);
173
174 private:
175
176 VHierarchyNodeHandle compute_dependency(VHierarchyNodeIndex index0,
177 VHierarchyNodeIndex index1);
178
179 };
180
181
182
183 //=============================================================================
184 } // namespace VDPM
185 } // namespace OpenMesh
186 //=============================================================================
187 #endif // OPENMESH_VDPROGMESH_VHIERARCHY_HH defined
188 //=============================================================================
OpenMesh::VectorT< float, 3 >
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:120
OpenMesh::VDPM::VHierarchy::id_t
unsigned int id_t
Type for tree and node ids.
Definition: VHierarchy.hh:77
OpenMesh::VDPM::VHierarchy
Keeps the vertex hierarchy build during analyzing a progressive mesh.
Definition: VHierarchy.hh:73
OpenMesh::VDPM::VHierarchyNodeContainer
std::vector< VHierarchyNode > VHierarchyNodeContainer
Container for vertex hierarchy nodes.
Definition: VHierarchyNode.hh:180
OpenMesh::VDPM::VHierarchyNode
Vertex hierarchy node.
Definition: VHierarchyNode.hh:90
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::VDPM::VHierarchyNodeHandle
Handle for vertex hierarchy nodes.
Definition: VHierarchyNode.hh:77
OpenMesh::BaseHandle::idx
int idx() const
Get the underlying index of this handle.
Definition: Handles.hh:69
OpenMesh::VDPM::VHierarchyNodeIndex
Index of vertex hierarchy node.
Definition: VHierarchyNodeIndex.hh:73