Developer Documentation

unittests_subdivider_adaptive.cc
1
2 #include <gtest/gtest.h>
3 #include <Unittests/unittests_common.hh>
4 #include <OpenMesh/Tools/Subdivider/Adaptive/Composite/CompositeT.hh>
5 #include <OpenMesh/Tools/Subdivider/Adaptive/Composite/RulesT.hh>
6
7 namespace {
8
9 class OpenMeshSubdividerAdaptive_Poly : public OpenMeshBasePoly {
10
11 protected:
12
13 // This function is called before each test is run
14 virtual void SetUp() {
15
16 // Do some initial stuff with the member data here...
17 }
18
19 // This function is called after all tests are through
20 virtual void TearDown() {
21
22 // Do some final stuff with the member data here...
23 }
24
25 // Member already defined in OpenMeshBase
26 //Mesh mesh_;
27 };
28
29 class OpenMeshSubdividerAdaptive_Triangle : public OpenMeshBase {
30
31 protected:
32
33 // This function is called before each test is run
34 virtual void SetUp() {
35
36 // Do some initial stuff with the member data here...
37 }
38
39 // This function is called after all tests are through
40 virtual void TearDown() {
41
42 // Do some final stuff with the member data here...
43 }
44
45 // Member already defined in OpenMeshBase
46 //Mesh mesh_;
47 };
48
49 /*
50 * ====================================================================
51 * Define tests below
52 * ====================================================================
53 */
54
55 struct MeshTraits : public OpenMesh::Subdivider::Adaptive::CompositeTraits {
56 typedef OpenMesh::Vec3f Point;
57 typedef OpenMesh::Vec3f Normal;
58
59 VertexAttributes(OpenMesh::Attributes::Status | OpenMesh::Attributes::Normal);
60 EdgeAttributes(OpenMesh::Attributes::Status);
61 FaceAttributes(OpenMesh::Attributes::Status | OpenMesh::Attributes::Normal);
62 };
63
64 typedef OpenMesh::TriMesh_ArrayKernelT<MeshTraits> MyMesh;
65 typedef MyMesh::VertexHandle VHandle;
66 typedef MyMesh::FaceHandle FHandle;
67
68 TEST_F(OpenMeshSubdividerAdaptive_Triangle, AdaptiveCompositeRefineVertex) {
69
70 MyMesh mesh;
71 mesh.request_vertex_status();
72 mesh.request_edge_status();
73 mesh.request_face_status();
74 mesh.request_vertex_normals();
75 mesh.request_face_normals();
76
77 // Add some vertices
78 VHandle vhandle[9];
79
80 vhandle[0] = mesh.add_vertex(MyMesh::Point(0, 0, 0));
81 vhandle[1] = mesh.add_vertex(MyMesh::Point(0, 1, 0));
82 vhandle[2] = mesh.add_vertex(MyMesh::Point(0, 2, 0));
83 vhandle[3] = mesh.add_vertex(MyMesh::Point(1, 0, 0));
84 vhandle[4] = mesh.add_vertex(MyMesh::Point(1, 1, 0));
85 vhandle[5] = mesh.add_vertex(MyMesh::Point(1, 2, 0));
86 vhandle[6] = mesh.add_vertex(MyMesh::Point(2, 0, 0));
87 vhandle[7] = mesh.add_vertex(MyMesh::Point(2, 1, 0));
88 vhandle[8] = mesh.add_vertex(MyMesh::Point(2, 2, 0));
89
90 // Add eight faces
91 std::vector<VHandle> face_vhandles;
92
93 face_vhandles.push_back(vhandle[0]);
94 face_vhandles.push_back(vhandle[4]);
95 face_vhandles.push_back(vhandle[3]);
96
97 mesh.add_face(face_vhandles);
98 face_vhandles.clear();
99
100 face_vhandles.push_back(vhandle[0]);
101 face_vhandles.push_back(vhandle[1]);
102 face_vhandles.push_back(vhandle[4]);
103
104 mesh.add_face(face_vhandles);
105 face_vhandles.clear();
106
107 face_vhandles.push_back(vhandle[1]);
108 face_vhandles.push_back(vhandle[2]);
109 face_vhandles.push_back(vhandle[4]);
110
111 mesh.add_face(face_vhandles);
112 face_vhandles.clear();
113
114 face_vhandles.push_back(vhandle[2]);
115 face_vhandles.push_back(vhandle[5]);
116 face_vhandles.push_back(vhandle[4]);
117
118 mesh.add_face(face_vhandles);
119 face_vhandles.clear();
120
121 face_vhandles.push_back(vhandle[3]);
122 face_vhandles.push_back(vhandle[7]);
123 face_vhandles.push_back(vhandle[6]);
124
125 mesh.add_face(face_vhandles);
126 face_vhandles.clear();
127
128 face_vhandles.push_back(vhandle[3]);
129 face_vhandles.push_back(vhandle[4]);
130 face_vhandles.push_back(vhandle[7]);
131
132 mesh.add_face(face_vhandles);
133 face_vhandles.clear();
134
135 face_vhandles.push_back(vhandle[4]);
136 face_vhandles.push_back(vhandle[8]);
137 face_vhandles.push_back(vhandle[7]);
138
139 mesh.add_face(face_vhandles);
140 face_vhandles.clear();
141
142 face_vhandles.push_back(vhandle[4]);
143 face_vhandles.push_back(vhandle[5]);
144 face_vhandles.push_back(vhandle[8]);
145
146 mesh.add_face(face_vhandles);
147
158
159 // Initialize subdivider
160 OpenMesh::Subdivider::Adaptive::CompositeT<MyMesh> subdivider(mesh);
161
162 subdivider.add<OpenMesh::Subdivider::Adaptive::Tvv3<MyMesh> >();
163 subdivider.add<OpenMesh::Subdivider::Adaptive::VF<MyMesh> >();
164 subdivider.add<OpenMesh::Subdivider::Adaptive::FF<MyMesh> >();
165 subdivider.add<OpenMesh::Subdivider::Adaptive::FVc<MyMesh> >();
166
167 subdivider.initialize();
168
169 // Check setup
170 EXPECT_EQ(9u, mesh.n_vertices() ) << "Wrong number of vertices";
171 EXPECT_EQ(8u, mesh.n_faces() ) << "Wrong number of faces";
172
173 // execute adaptive composite subdivision
174 subdivider.refine(vhandle[4]);
175
176
177 // Check setup
178 EXPECT_EQ(17u, mesh.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
179 EXPECT_EQ(24u, mesh.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
180
181 }
182
183 TEST_F(OpenMeshSubdividerAdaptive_Triangle, AdaptiveCompositeRefineFace) {
184
185 MyMesh mesh;
186 mesh.request_vertex_status();
187 mesh.request_edge_status();
188 mesh.request_face_status();
189 mesh.request_vertex_normals();
190 mesh.request_face_normals();
191
192 // Add some vertices
193 VHandle vhandle[9];
194
195 vhandle[0] = mesh.add_vertex(MyMesh::Point(0, 0, 0));
196 vhandle[1] = mesh.add_vertex(MyMesh::Point(0, 1, 0));
197 vhandle[2] = mesh.add_vertex(MyMesh::Point(0, 2, 0));
198 vhandle[3] = mesh.add_vertex(MyMesh::Point(1, 0, 0));
199 vhandle[4] = mesh.add_vertex(MyMesh::Point(1, 1, 0));
200 vhandle[5] = mesh.add_vertex(MyMesh::Point(1, 2, 0));
201 vhandle[6] = mesh.add_vertex(MyMesh::Point(2, 0, 0));
202 vhandle[7] = mesh.add_vertex(MyMesh::Point(2, 1, 0));
203 vhandle[8] = mesh.add_vertex(MyMesh::Point(2, 2, 0));
204
205 // Add eight faces
206 std::vector<VHandle> face_vhandles;
207 std::vector<FHandle> face_handles;
208
209 face_vhandles.push_back(vhandle[0]);
210 face_vhandles.push_back(vhandle[4]);
211 face_vhandles.push_back(vhandle[3]);
212
213 face_handles.push_back(mesh.add_face(face_vhandles));
214 face_vhandles.clear();
215
216 face_vhandles.push_back(vhandle[0]);
217 face_vhandles.push_back(vhandle[1]);
218 face_vhandles.push_back(vhandle[4]);
219
220 face_handles.push_back(mesh.add_face(face_vhandles));
221 face_vhandles.clear();
222
223 face_vhandles.push_back(vhandle[1]);
224 face_vhandles.push_back(vhandle[2]);
225 face_vhandles.push_back(vhandle[4]);
226
227 face_handles.push_back(mesh.add_face(face_vhandles));
228 face_vhandles.clear();
229
230 face_vhandles.push_back(vhandle[2]);
231 face_vhandles.push_back(vhandle[5]);
232 face_vhandles.push_back(vhandle[4]);
233
234 face_handles.push_back(mesh.add_face(face_vhandles));
235 face_vhandles.clear();
236
237 face_vhandles.push_back(vhandle[3]);
238 face_vhandles.push_back(vhandle[7]);
239 face_vhandles.push_back(vhandle[6]);
240
241 face_handles.push_back(mesh.add_face(face_vhandles));
242 face_vhandles.clear();
243
244 face_vhandles.push_back(vhandle[3]);
245 face_vhandles.push_back(vhandle[4]);
246 face_vhandles.push_back(vhandle[7]);
247
248 face_handles.push_back(mesh.add_face(face_vhandles));
249 face_vhandles.clear();
250
251 face_vhandles.push_back(vhandle[4]);
252 face_vhandles.push_back(vhandle[8]);
253 face_vhandles.push_back(vhandle[7]);
254
255 face_handles.push_back(mesh.add_face(face_vhandles));
256 face_vhandles.clear();
257
258 face_vhandles.push_back(vhandle[4]);
259 face_vhandles.push_back(vhandle[5]);
260 face_vhandles.push_back(vhandle[8]);
261
262 face_handles.push_back(mesh.add_face(face_vhandles));
263
274
275 // Initialize subdivider
276 OpenMesh::Subdivider::Adaptive::CompositeT<MyMesh> subdivider(mesh);
277
278 subdivider.add<OpenMesh::Subdivider::Adaptive::Tvv3<MyMesh> >();
279 subdivider.add<OpenMesh::Subdivider::Adaptive::VF<MyMesh> >();
280 subdivider.add<OpenMesh::Subdivider::Adaptive::FF<MyMesh> >();
281 subdivider.add<OpenMesh::Subdivider::Adaptive::FVc<MyMesh> >();
282
283 subdivider.initialize();
284
285 // Check setup
286 EXPECT_EQ(9u, mesh.n_vertices() ) << "Wrong number of vertices";
287 EXPECT_EQ(8u, mesh.n_faces() ) << "Wrong number of faces";
288
289 // execute adaptive composite subdivision
290 std::vector<FHandle>::iterator it, end;
291 it = face_handles.begin();
292 end = face_handles.end();
293 for (; it != end; ++it)
294 subdivider.refine(*it);
295
296
297 // Check setup
298 EXPECT_EQ(245u, mesh.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
299 EXPECT_EQ(458u, mesh.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
300
301 }
302 }
OpenMesh::TriMesh_ArrayKernelT
Definition: PolyMesh_ArrayKernelT.hh:73
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:112
OpenMesh::PolyMeshT::add_vertex
VertexHandle add_vertex(const Point &_p)
Alias for new_vertex(const Point&).
Definition: PolyMeshT.hh:235
OpenMesh::Subdivider::Adaptive::CompositeTraits
Definition: CompositeTraits.hh:81
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition: PolyMeshT.hh:136
OpenMesh::Subdivider::Adaptive::VF
Definition: RulesT.hh:146
OpenMeshBase
Definition: unittests_common.hh:26
RulesT.hh
EdgeAttributes
#define EdgeAttributes(_i)
Macro for defining the edge attributes. See Specifying your MyMesh.
Definition: Traits.hh:85
OpenMesh::Attributes::Status
Add status to mesh item (all items)
Definition: Attributes.hh:85
OpenMesh::VectorT< float, 3 >
OpenMesh::Subdivider::Adaptive::Tvv3
Definition: RulesT.hh:92
OpenMesh::Subdivider::Adaptive::CompositeT
Definition: CompositeT.hh:133
OpenMesh::Subdivider::Adaptive::FVc
Definition: RulesT.hh:234
OpenMesh::Subdivider::Adaptive::FF
Definition: RulesT.hh:168
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:82
VertexAttributes
#define VertexAttributes(_i)
Macro for defining the vertex attributes. See Specifying your MyMesh.
Definition: Traits.hh:79
CompositeT.hh
OpenMeshBasePoly
Definition: unittests_common.hh:50
FaceAttributes
#define FaceAttributes(_i)
Macro for defining the face attributes. See Specifying your MyMesh.
Definition: Traits.hh:88