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Another small unittest for collapsing an halfedge

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git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@568 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2012-04-04 07:36:52 +00:00
parent 3c0e93e261
commit efe9633d51
1 changed files with 107 additions and 2 deletions
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109
src/Unittests/unittests_trimesh_collapse.hh
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@@ -33,7 +33,7 @@ class OpenMeshCollapse : public OpenMeshBase {
/*
* Collapsing a tetrahedron
*/
TEST_F(OpenMeshCollapse, CollapseTetrahedron) {
TEST_F(OpenMeshCollapse, CollapseTetrahedronComplex) {
mesh_.clear();
@@ -344,7 +344,7 @@ TEST_F(OpenMeshCollapse, CollapseTetrahedron) {
/*
* Collapsing a tetrahedron
*/
TEST_F(OpenMeshCollapse, CollapseComplex) {
TEST_F(OpenMeshCollapse, CollapseTetrahedron) {
mesh_.clear();
@@ -429,5 +429,110 @@ TEST_F(OpenMeshCollapse, CollapseComplex) {
}
/*
* Test collapsing an halfedge in a triangle mesh
*
*/
TEST_F(OpenMeshCollapse, LargeCollapseHalfEdge) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[7];
vhandle[0] = mesh_.add_vertex(Mesh::Point( 0, 1, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point( 1, 0, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point( 2, 1, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point( 0,-1, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point( 2,-1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(-1, 0, 0));
vhandle[6] = mesh_.add_vertex(Mesh::Point( 3, 0, 0));
// Add two faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[1]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
/* Test setup:
0 ==== 2
/ \ /|\
/ \ / | \
5 --- 1 | 6
\ / \ | /
\ / \|/
3 ==== 4 */
// Request the status bits
mesh_.request_vertex_status();
mesh_.request_edge_status();
mesh_.request_face_status();
// =============================================
// Collapse halfedge from 1 to 4
// =============================================
Mesh::HalfedgeHandle heh_collapse;
// Iterate over all halfedges to find the correct one
for ( Mesh::HalfedgeIter he_it = mesh_.halfedges_begin() ; he_it != mesh_.halfedges_end() ; ++he_it ) {
if ( mesh_.from_vertex_handle(he_it).idx() == 1 && mesh_.to_vertex_handle(he_it).idx() == 4 )
heh_collapse = he_it;
}
// Check our halfedge
EXPECT_EQ(4, mesh_.to_vertex_handle(heh_collapse).idx() ) << "To vertex of collapse halfedge is wrong";
EXPECT_EQ(1, mesh_.from_vertex_handle(heh_collapse).idx() ) << "from vertex of collapse halfedge is wrong";
EXPECT_TRUE( mesh_.is_collapse_ok(heh_collapse) ) << "Collapse not ok for collapse first halfedge (0)";
// Remember the end vertices
Mesh::VertexHandle vh_from = mesh_.from_vertex_handle(heh_collapse);
Mesh::VertexHandle vh_to = mesh_.to_vertex_handle(heh_collapse);
// Collapse it
mesh_.collapse(heh_collapse);
EXPECT_TRUE( mesh_.status(vh_from).deleted() ) << "From vertex not deleted";
EXPECT_FALSE( mesh_.status(vh_to).deleted() ) << "To Vertex deleted";
}
#endif // INCLUDE GUARD