Method compute_from_tet_mesh

src/Attributes/VertexValanceAttribute.cpp:55–87

}

void VertexValanceAttribute::compute_from_tet_mesh(Mesh& mesh) {
    const size_t num_vertices = mesh.get_num_vertices();
    const size_t num_voxels = mesh.get_num_voxels();
    const size_t num_vertex_per_voxel = mesh.get_vertex_per_voxel();
    assert(num_vertex_per_voxel == 4);

    VectorF& vertex_valance = m_values;
    vertex_valance = VectorF::Zero(num_vertices);

    std::set<Duplet> edges;
    for (size_t i=0; i<num_voxels; i++) {
        VectorI voxel = mesh.get_voxel(i);
        Duplet edge[6] = {
            {voxel[0], voxel[1]},
            {voxel[0], voxel[2]},
            {voxel[0], voxel[3]},
            {voxel[1], voxel[2]},
            {voxel[1], voxel[3]},
            {voxel[2], voxel[3]} };
        edges.insert(edge[0]);
        edges.insert(edge[1]);
        edges.insert(edge[2]);
        edges.insert(edge[3]);
        edges.insert(edge[4]);
        edges.insert(edge[5]);
    }

    for (auto edge : edges) {
        const auto& data = edge.get_ori_data();
        vertex_valance[data[0]] ++;
        vertex_valance[data[1]] ++;
    }
}

void VertexValanceAttribute::compute_from_hex_mesh(Mesh& mesh) {
    const size_t num_vertices = mesh.get_num_vertices();