OpenVolumeMesh
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HexahedralMeshIterators.hh
1/*===========================================================================*\
2 * *
3 * OpenVolumeMesh *
4 * Copyright (C) 2011 by Computer Graphics Group, RWTH Aachen *
5 * www.openvolumemesh.org *
6 * *
7 *---------------------------------------------------------------------------*
8 * This file is part of OpenVolumeMesh. *
9 * *
10 * OpenVolumeMesh is free software: you can redistribute it and/or modify *
11 * it under the terms of the GNU Lesser General Public License as *
12 * published by the Free Software Foundation, either version 3 of *
13 * the License, or (at your option) any later version with the *
14 * following exceptions: *
15 * *
16 * If other files instantiate templates or use macros *
17 * or inline functions from this file, or you compile this file and *
18 * link it with other files to produce an executable, this file does *
19 * not by itself cause the resulting executable to be covered by the *
20 * GNU Lesser General Public License. This exception does not however *
21 * invalidate any other reasons why the executable file might be *
22 * covered by the GNU Lesser General Public License. *
23 * *
24 * OpenVolumeMesh is distributed in the hope that it will be useful, *
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
27 * GNU Lesser General Public License for more details. *
28 * *
29 * You should have received a copy of the GNU LesserGeneral Public *
30 * License along with OpenVolumeMesh. If not, *
31 * see <http://www.gnu.org/licenses/>. *
32 * *
33\*===========================================================================*/
34
35/*===========================================================================*\
36 * *
37 * $Revision$ *
38 * $Date$ *
39 * $LastChangedBy$ *
40 * *
41\*===========================================================================*/
42
43#ifndef HEXAHEDRALMESHITERATORS_HH
44#define HEXAHEDRALMESHITERATORS_HH
45
46#include "../Core/Iterators.hh"
47
48namespace OpenVolumeMesh {
49
51
52
53class CellSheetCellIter : public BaseCirculator<CellHandle, CellHandle> {
54private:
55 typedef BaseCirculator<CellHandle, CellHandle> BaseIter;
56public:
57 CellSheetCellIter(const CellHandle& _ref_h, const unsigned char _orthDir,
58 const HexahedralMeshTopologyKernel* _mesh, int _max_laps = 1);
59
60 // Post increment/decrement operator
61 CellSheetCellIter operator++(int) {
62 CellSheetCellIter cpy = *this;
63 ++(*this);
64 return cpy;
65 }
66 CellSheetCellIter operator--(int) {
67 CellSheetCellIter cpy = *this;
68 --(*this);
69 return cpy;
70 }
71 CellSheetCellIter operator+(int _n) {
72 CellSheetCellIter cpy = *this;
73 for(int i = 0; i < _n; ++i) {
74 ++cpy;
75 }
76 return cpy;
77 }
78 CellSheetCellIter operator-(int _n) {
79 CellSheetCellIter cpy = *this;
80 for(int i = 0; i < _n; ++i) {
81 --cpy;
82 }
83 return cpy;
84 }
85 CellSheetCellIter& operator+=(int _n) {
86 for(int i = 0; i < _n; ++i) {
87 ++(*this);
88 }
89 return *this;
90 }
91 CellSheetCellIter& operator-=(int _n) {
92 for(int i = 0; i < _n; ++i) {
93 --(*this);
94 }
95 return *this;
96 }
97
98 CellSheetCellIter& operator++();
99 CellSheetCellIter& operator--();
100
101private:
102 std::vector<CellHandle> neighb_sheet_cell_hs_;
103 size_t cur_index_;
104};
105
106
107class HalfFaceSheetHalfFaceIter : public BaseCirculator<HalfFaceHandle,HalfFaceHandle> {
108private:
109 typedef BaseCirculator<HalfFaceHandle, HalfFaceHandle> BaseIter;
110public:
111 HalfFaceSheetHalfFaceIter(const HalfFaceHandle& _ref_h,
112 const HexahedralMeshTopologyKernel* _mesh, int _max_laps = 1);
113
114 // Post increment/decrement operator
115 HalfFaceSheetHalfFaceIter operator++(int) {
116 HalfFaceSheetHalfFaceIter cpy = *this;
117 ++(*this);
118 return cpy;
119 }
120 HalfFaceSheetHalfFaceIter operator--(int) {
121 HalfFaceSheetHalfFaceIter cpy = *this;
122 --(*this);
123 return cpy;
124 }
125 HalfFaceSheetHalfFaceIter operator+(int _n) {
126 HalfFaceSheetHalfFaceIter cpy = *this;
127 for(int i = 0; i < _n; ++i) {
128 ++cpy;
129 }
130 return cpy;
131 }
132 HalfFaceSheetHalfFaceIter operator-(int _n) {
133 HalfFaceSheetHalfFaceIter cpy = *this;
134 for(int i = 0; i < _n; ++i) {
135 --cpy;
136 }
137 return cpy;
138 }
139 HalfFaceSheetHalfFaceIter& operator+=(int _n) {
140 for(int i = 0; i < _n; ++i) {
141 ++(*this);
142 }
143 return *this;
144 }
145 HalfFaceSheetHalfFaceIter& operator-=(int _n) {
146 for(int i = 0; i < _n; ++i) {
147 --(*this);
148 }
149 return *this;
150 }
151
152 HalfFaceSheetHalfFaceIter& operator++();
153 HalfFaceSheetHalfFaceIter& operator--();
154
155 const EdgeHandle& common_edge() const { return common_edges_[cur_index_]; }
156
157private:
158 std::vector<HalfFaceHandle> adjacent_halffaces_;
159 std::vector<EdgeHandle> common_edges_;
160 size_t cur_index_;
161};
162
176
177class HexVertexIter : public BaseCirculator<CellHandle,
178 VertexHandle> {
179private:
180 typedef BaseCirculator<CellHandle,
181 VertexHandle> BaseIter;
182public:
183 HexVertexIter(const CellHandle& _ref_h,
184 const HexahedralMeshTopologyKernel* _mesh,
185 int _max_laps = 1);
186
187 // Post increment/decrement operator
188 HexVertexIter operator++(int) {
189 HexVertexIter cpy = *this;
190 ++(*this);
191 return cpy;
192 }
193 HexVertexIter operator--(int) {
194 HexVertexIter cpy = *this;
195 --(*this);
196 return cpy;
197 }
198 HexVertexIter operator+(int _n) {
199 HexVertexIter cpy = *this;
200 for(int i = 0; i < _n; ++i) {
201 ++cpy;
202 }
203 return cpy;
204 }
205 HexVertexIter operator-(int _n) {
206 HexVertexIter cpy = *this;
207 for(int i = 0; i < _n; ++i) {
208 --cpy;
209 }
210 return cpy;
211 }
212 HexVertexIter& operator+=(int _n) {
213 for(int i = 0; i < _n; ++i) {
214 ++(*this);
215 }
216 return *this;
217 }
218 HexVertexIter& operator-=(int _n) {
219 for(int i = 0; i < _n; ++i) {
220 --(*this);
221 }
222 return *this;
223 }
224
225 HexVertexIter& operator++();
226 HexVertexIter& operator--();
227
228private:
229 std::vector<VertexHandle> vertices_;
230 size_t cur_index_;
231};
232
233} // Namespace OpenVolumeMesh
234
235#endif /* HEXAHEDRALMESHITERATORS_HH */
Definition OpenVolumeMeshHandle.hh:101
Definition OpenVolumeMeshHandle.hh:99
Definition OpenVolumeMeshHandle.hh:103
A data structure basing on PolyhedralMesh with specializations for hexahedra.
Definition HexahedralMeshTopologyKernel.hh:86
Definition OpenVolumeMeshHandle.hh:98