OpenMesh
VHierarchy.hh
1 /* ========================================================================= *
2  * *
3  * OpenMesh *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openmesh.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenMesh. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39  * *
40  * ========================================================================= */
41 
42 /*===========================================================================*\
43  * *
44  * $Revision$ *
45  * $Date$ *
46  * *
47 \*===========================================================================*/
48 
49 //=============================================================================
50 //
51 // CLASS newClass
52 //
53 //=============================================================================
54 
55 #ifndef OPENMESH_VDPROGMESH_VHIERARCHY_HH
56 #define OPENMESH_VDPROGMESH_VHIERARCHY_HH
57 
58 
59 //== INCLUDES =================================================================
60 
61 #include <vector>
62 #include <OpenMesh/Tools/VDPM/VHierarchyNode.hh>
63 
64 
65 //== FORWARDDECLARATIONS ======================================================
66 
67 
68 //== NAMESPACES ===============================================================
69 
70 namespace OpenMesh {
71 namespace VDPM {
72 
73 //== CLASS DEFINITION =========================================================
74 
75 
78 class OPENMESHDLLEXPORT VHierarchy
79 {
80 public:
81 
82  typedef unsigned int id_t;
83 
84 private:
85 
87  unsigned int n_roots_;
88  unsigned char tree_id_bits_; // node_id_bits_ = 32-tree_id_bits_;
89 
90 public:
91 
92  VHierarchy();
93 
94  void clear() { nodes_.clear(); n_roots_ = 0; }
95  unsigned char tree_id_bits() const { return tree_id_bits_; }
96  unsigned int num_roots() const { return n_roots_; }
97  size_t num_nodes() const { return nodes_.size(); }
98 
99  VHierarchyNodeIndex generate_node_index(id_t _tree_id, id_t _node_id)
100  {
101  return VHierarchyNodeIndex(_tree_id, _node_id, tree_id_bits_);
102  }
103 
104 
105  void set_num_roots(unsigned int _n_roots);
106 
107  VHierarchyNodeHandle root_handle(unsigned int i) const
108  {
109  return VHierarchyNodeHandle( (int)i );
110  }
111 
112 
113  const VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle) const
114  {
115  return nodes_[_vhierarchynode_handle.idx()];
116  }
117 
118 
119  VHierarchyNode& node(VHierarchyNodeHandle _vhierarchynode_handle)
120  {
121  return nodes_[_vhierarchynode_handle.idx()];
122  }
123 
124  VHierarchyNodeHandle add_node();
125  VHierarchyNodeHandle add_node(const VHierarchyNode &_node);
126 
127  void make_children(VHierarchyNodeHandle &_parent_handle);
128 
129  bool is_ancestor(VHierarchyNodeIndex _ancestor_index,
130  VHierarchyNodeIndex _descendent_index);
131 
132  bool is_leaf_node(VHierarchyNodeHandle _node_handle)
133  { return nodes_[_node_handle.idx()].is_leaf(); }
134 
135  bool is_root_node(VHierarchyNodeHandle _node_handle)
136  { return nodes_[_node_handle.idx()].is_root(); }
137 
138 
139  const OpenMesh::Vec3f& normal(VHierarchyNodeHandle _node_handle) const
140  {
141  return nodes_[_node_handle.idx()].normal();
142  }
143 
144  const VHierarchyNodeIndex&
145  node_index(VHierarchyNodeHandle _node_handle) const
146  { return nodes_[_node_handle.idx()].node_index(); }
147 
148  VHierarchyNodeIndex& node_index(VHierarchyNodeHandle _node_handle)
149  { return nodes_[_node_handle.idx()].node_index(); }
150 
151  const VHierarchyNodeIndex&
152  fund_lcut_index(VHierarchyNodeHandle _node_handle) const
153  { return nodes_[_node_handle.idx()].fund_lcut_index(); }
154 
155  VHierarchyNodeIndex& fund_lcut_index(VHierarchyNodeHandle _node_handle)
156  { return nodes_[_node_handle.idx()].fund_lcut_index(); }
157 
158  const VHierarchyNodeIndex&
159  fund_rcut_index(VHierarchyNodeHandle _node_handle) const
160  { return nodes_[_node_handle.idx()].fund_rcut_index(); }
161 
162  VHierarchyNodeIndex& fund_rcut_index(VHierarchyNodeHandle _node_handle)
163  { return nodes_[_node_handle.idx()].fund_rcut_index(); }
164 
165  VertexHandle vertex_handle(VHierarchyNodeHandle _node_handle)
166  { return nodes_[_node_handle.idx()].vertex_handle(); }
167 
168  VHierarchyNodeHandle parent_handle(VHierarchyNodeHandle _node_handle)
169  { return nodes_[_node_handle.idx()].parent_handle(); }
170 
171  VHierarchyNodeHandle lchild_handle(VHierarchyNodeHandle _node_handle)
172  { return nodes_[_node_handle.idx()].lchild_handle(); }
173 
174  VHierarchyNodeHandle rchild_handle(VHierarchyNodeHandle _node_handle)
175  { return nodes_[_node_handle.idx()].rchild_handle(); }
176 
177  VHierarchyNodeHandle node_handle(VHierarchyNodeIndex _node_index);
178 
179 private:
180 
181  VHierarchyNodeHandle compute_dependency(VHierarchyNodeIndex index0,
182  VHierarchyNodeIndex index1);
183 
184 };
185 
186 
187 
188 //=============================================================================
189 } // namespace VDPM
190 } // namespace OpenMesh
191 //=============================================================================
192 #endif // OPENMESH_VDPROGMESH_VHIERARCHY_HH defined
193 //=============================================================================
Vertex hierarchy node.
Definition: VHierarchyNode.hh:95
Handle for a vertex entity.
Definition: Handles.hh:125
Index of vertex hierarchy node.
Definition: VHierarchyNodeIndex.hh:78
unsigned int id_t
Type for tree and node ids.
Definition: VHierarchy.hh:82
int idx() const
Get the underlying index of this handle.
Definition: Handles.hh:74
Handle for vertex hierarchy nodes.
Definition: VHierarchyNode.hh:82
Keeps the vertex hierarchy build during analyzing a progressive mesh.
Definition: VHierarchy.hh:78
std::vector< VHierarchyNode > VHierarchyNodeContainer
Container for vertex hierarchy nodes.
Definition: VHierarchyNode.hh:185
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .