Merge branch 'midpoint_unittest' into 'master'
Midpoint unittest See merge request !119
This commit is contained in:
Jan Möbius
@@ -13,7 +13,7 @@ namespace Uniform {
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/**
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* Midpoint subdivision algorithm.
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*
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* With every step, the set of vertices is replaced with by the midpoints of all
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* With every step, the set of vertices is replaced by the midpoints of all
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* current edges. Then, two sets of faces are created to set up the new
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* connectivity: From all midpoints of edges surrounding an original face, a new
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* face is created. Also, for all midpoints of edges surrounding an original
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@@ -47,6 +47,10 @@ protected: // SubdividerT interface
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//! @note The _update_points option is ignored
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bool subdivide(mesh_t& _m, size_t _n, const bool _update_points = true)
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{
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_m.request_halfedge_status();
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_m.request_edge_status();
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_m.request_vertex_status();
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_m.request_face_status();
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PropertyManager<EPropHandleT<typename mesh_t::VertexHandle>, mesh_t> edge_midpoint(_m, "edge_midpoint");
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PropertyManager<VPropHandleT<bool>, mesh_t> is_original_vertex(_m, "is_original_vertex");
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@@ -90,6 +94,7 @@ protected: // SubdividerT interface
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_m.delete_vertex(vh);
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}
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}
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_m.garbage_collection();
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}
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return true;
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}
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@@ -3,44 +3,37 @@
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#include <Unittests/unittests_common.hh>
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#include <OpenMesh/Tools/Subdivider/Uniform/CatmullClarkT.hh>
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#include <OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh>
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#include <OpenMesh/Tools/Subdivider/Uniform/MidpointT.hh>
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namespace {
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class OpenMeshSubdividerUniform_Poly : public OpenMeshBasePoly {
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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// Do some initial stuff with the member data here...
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}
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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// Do some initial stuff with the member data here...
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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// Member already defined in OpenMeshBase
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//Mesh mesh_;
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};
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class OpenMeshSubdividerUniform_Triangle : public OpenMeshBase {
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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// Do some initial stuff with the member data here...
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}
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protected:
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// This function is called before each test is run
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virtual void SetUp() {
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// Do some initial stuff with the member data here...
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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// This function is called after all tests are through
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virtual void TearDown() {
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// Do some final stuff with the member data here...
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}
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// Member already defined in OpenMeshBase
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//Mesh mesh_;
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@@ -52,110 +45,106 @@ class OpenMeshSubdividerUniform_Triangle : public OpenMeshBase {
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* ====================================================================
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*/
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/*
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*/
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TEST_F(OpenMeshSubdividerUniform_Triangle, Subdivider_Loop) {
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TEST_F(OpenMeshSubdividerUniform_Triangle, Subdivider_Sqrt3) {
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mesh_.clear();
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[9];
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// Add some vertices
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Mesh::VertexHandle vhandle[9];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
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vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
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vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
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vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
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vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
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vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
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vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
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// Add eight faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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// Add eight faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[3]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[7]);
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face_vhandles.push_back(vhandle[6]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[7]);
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face_vhandles.push_back(vhandle[6]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[7]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[7]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[8]);
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face_vhandles.push_back(vhandle[7]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[8]);
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face_vhandles.push_back(vhandle[7]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[8]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[8]);
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mesh_.add_face(face_vhandles);
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mesh_.add_face(face_vhandles);
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// Test setup:
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// 6 === 7 === 8
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// | / | / |
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// | / | / |
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// | / | / |
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// 3 === 4 === 5
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// | / | \ |
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// | / | \ |
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// | / | \ |
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// 0 === 1 === 2
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// Test setup:
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// 6 === 7 === 8
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// | / | / |
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// | / | / |
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// | / | / |
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// 3 === 4 === 5
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// | / | \ |
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// | / | \ |
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// | / | \ |
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// 0 === 1 === 2
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// Initialize subdivider
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OpenMesh::Subdivider::Uniform::Sqrt3T<Mesh> sqrt3;
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// Initialize subdivider
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OpenMesh::Subdivider::Uniform::Sqrt3T<Mesh> sqrt3;
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// Check setup
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EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
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EXPECT_EQ(8u, mesh_.n_faces() ) << "Wrong number of faces";
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// Check setup
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EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
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EXPECT_EQ(8u, mesh_.n_faces() ) << "Wrong number of faces";
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// Execute 3 subdivision steps
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sqrt3.attach(mesh_);
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sqrt3( 3 );
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sqrt3.detach();
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// Check setup
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EXPECT_EQ(121u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
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EXPECT_EQ(216u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
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// Execute 3 subdivision steps
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sqrt3.attach(mesh_);
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sqrt3( 3 );
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sqrt3.detach();
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// Check setup
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EXPECT_EQ(121u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
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EXPECT_EQ(216u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
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}
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/*
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@@ -167,81 +156,177 @@ TEST_F(OpenMeshSubdividerUniform_Triangle, Subdivider_Loop) {
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/*
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*/
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TEST_F(OpenMeshSubdividerUniform_Poly, Subdivider_CatmullClark) {
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mesh_.clear();
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mesh_.clear();
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// Add some vertices
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Mesh::VertexHandle vhandle[9];
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// Add some vertices
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Mesh::VertexHandle vhandle[9];
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
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vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
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vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
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vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
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vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
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vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
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vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
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vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
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vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
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vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
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vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
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vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
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vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
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// Add four faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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// Add four faces
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std::vector<Mesh::VertexHandle> face_vhandles;
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[3]);
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face_vhandles.push_back(vhandle[0]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[3]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[1]);
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face_vhandles.push_back(vhandle[2]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[4]);
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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mesh_.add_face(face_vhandles);
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face_vhandles.clear();
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face_vhandles.push_back(vhandle[4]);
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face_vhandles.push_back(vhandle[5]);
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face_vhandles.push_back(vhandle[8]);
|
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face_vhandles.push_back(vhandle[7]);
|
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face_vhandles.push_back(vhandle[4]);
|
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face_vhandles.push_back(vhandle[5]);
|
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face_vhandles.push_back(vhandle[8]);
|
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face_vhandles.push_back(vhandle[7]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
face_vhandles.clear();
|
||||
|
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mesh_.add_face(face_vhandles);
|
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face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[3]);
|
||||
face_vhandles.push_back(vhandle[4]);
|
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face_vhandles.push_back(vhandle[7]);
|
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face_vhandles.push_back(vhandle[6]);
|
||||
|
||||
face_vhandles.push_back(vhandle[3]);
|
||||
face_vhandles.push_back(vhandle[4]);
|
||||
face_vhandles.push_back(vhandle[7]);
|
||||
face_vhandles.push_back(vhandle[6]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
mesh_.add_face(face_vhandles);
|
||||
// Test setup:
|
||||
// 6 === 7 === 8
|
||||
// | | |
|
||||
// | | |
|
||||
// | | |
|
||||
// 3 === 4 === 5
|
||||
// | | |
|
||||
// | | |
|
||||
// | | |
|
||||
// 0 === 1 === 2
|
||||
|
||||
// Test setup:
|
||||
// 6 === 7 === 8
|
||||
// | | |
|
||||
// | | |
|
||||
// | | |
|
||||
// 3 === 4 === 5
|
||||
// | | |
|
||||
// | | |
|
||||
// | | |
|
||||
// 0 === 1 === 2
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||||
// Initialize subdivider
|
||||
OpenMesh::Subdivider::Uniform::CatmullClarkT<PolyMesh> catmull;
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||||
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||||
// Initialize subdivider
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||||
OpenMesh::Subdivider::Uniform::CatmullClarkT<PolyMesh> catmull;
|
||||
// Check setup
|
||||
EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
|
||||
EXPECT_EQ(4u, mesh_.n_faces() ) << "Wrong number of faces";
|
||||
|
||||
// Check setup
|
||||
EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
|
||||
EXPECT_EQ(4u, mesh_.n_faces() ) << "Wrong number of faces";
|
||||
// Execute 3 subdivision steps
|
||||
catmull.attach(mesh_);
|
||||
catmull( 3 );
|
||||
catmull.detach();
|
||||
|
||||
// Execute 3 subdivision steps
|
||||
catmull.attach(mesh_);
|
||||
catmull( 3 );
|
||||
catmull.detach();
|
||||
EXPECT_EQ(289u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with catmull clark";
|
||||
EXPECT_EQ(256u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with catmull clark";
|
||||
}
|
||||
|
||||
EXPECT_EQ(289u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with catmull clark";
|
||||
EXPECT_EQ(256u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with catmull clark";
|
||||
/* Adds a cube to a polymesh
|
||||
*/
|
||||
TEST_F(OpenMeshSubdividerUniform_Poly, Midpoint) {
|
||||
mesh_.clear();
|
||||
|
||||
// Add some vertices
|
||||
Mesh::VertexHandle vhandle[8];
|
||||
vhandle[0] = mesh_.add_vertex(PolyMesh::Point(-1, -1, 1));
|
||||
vhandle[1] = mesh_.add_vertex(PolyMesh::Point( 1, -1, 1));
|
||||
vhandle[2] = mesh_.add_vertex(PolyMesh::Point( 1, 1, 1));
|
||||
vhandle[3] = mesh_.add_vertex(PolyMesh::Point(-1, 1, 1));
|
||||
vhandle[4] = mesh_.add_vertex(PolyMesh::Point(-1, -1, -1));
|
||||
vhandle[5] = mesh_.add_vertex(PolyMesh::Point( 1, -1, -1));
|
||||
vhandle[6] = mesh_.add_vertex(PolyMesh::Point( 1, 1, -1));
|
||||
vhandle[7] = mesh_.add_vertex(PolyMesh::Point(-1, 1, -1));
|
||||
|
||||
// Add six faces to form a cube
|
||||
std::vector<Mesh::VertexHandle> face_vhandles;
|
||||
|
||||
face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[0]);
|
||||
face_vhandles.push_back(vhandle[1]);
|
||||
face_vhandles.push_back(vhandle[2]);
|
||||
face_vhandles.push_back(vhandle[3]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[7]);
|
||||
face_vhandles.push_back(vhandle[6]);
|
||||
face_vhandles.push_back(vhandle[5]);
|
||||
face_vhandles.push_back(vhandle[4]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[1]);
|
||||
face_vhandles.push_back(vhandle[0]);
|
||||
face_vhandles.push_back(vhandle[4]);
|
||||
face_vhandles.push_back(vhandle[5]);
|
||||
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[5]);
|
||||
face_vhandles.push_back(vhandle[6]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[3]);
|
||||
face_vhandles.push_back(vhandle[2]);
|
||||
face_vhandles.push_back(vhandle[6]);
|
||||
face_vhandles.push_back(vhandle[7]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
face_vhandles.clear();
|
||||
face_vhandles.push_back(vhandle[0]);
|
||||
face_vhandles.push_back(vhandle[3]);
|
||||
face_vhandles.push_back(vhandle[7]);
|
||||
face_vhandles.push_back(vhandle[4]);
|
||||
mesh_.add_face(face_vhandles);
|
||||
|
||||
|
||||
// Test setup:
|
||||
//
|
||||
//
|
||||
// 3 ======== 2
|
||||
// / /|
|
||||
// / / | z
|
||||
// 0 ======== 1 | |
|
||||
// | | | | y
|
||||
// | 7 | 6 | /
|
||||
// | | / | /
|
||||
// | |/ |/
|
||||
// 4 ======== 5 -------> x
|
||||
//
|
||||
|
||||
// Check setup
|
||||
EXPECT_EQ(12u, mesh_.n_edges()) << "Wrong number of Edges";
|
||||
EXPECT_EQ(24u, mesh_.n_halfedges()) << "Wrong number of HalfEdges";
|
||||
EXPECT_EQ(8u, mesh_.n_vertices()) << "Wrong number of vertices";
|
||||
EXPECT_EQ(6u, mesh_.n_faces()) << "Wrong number of faces";
|
||||
|
||||
// Initialize subdivider
|
||||
OpenMesh::Subdivider::Uniform::MidpointT<PolyMesh> midpoint;
|
||||
|
||||
// Execute 2 subdivision steps
|
||||
midpoint.attach(mesh_);
|
||||
midpoint(2);
|
||||
midpoint.detach();
|
||||
|
||||
// Check Result
|
||||
EXPECT_EQ(48u, mesh_.n_edges()) << "Wrong number of Edges";
|
||||
EXPECT_EQ(96u, mesh_.n_halfedges()) << "Wrong number of HalfEdges";
|
||||
EXPECT_EQ(24u, mesh_.n_vertices()) << "Wrong number of vertices";
|
||||
EXPECT_EQ(26u, mesh_.n_faces()) << "Wrong number of faces";
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user