Method init_boundary_nodes

tools/Assembler/Mesh/TriangleMesh.cpp:178–197

}

void TriangleMesh::init_boundary_nodes(const BoundaryPtr& bd) {
    const size_t num_vertices = m_mesh->get_num_vertices();
    const size_t num_boundaries = bd->get_num_boundaries();
    std::set<size_t> boundary_vertices;
    for (size_t i=0; i<num_boundaries; i++) {
        VectorI bd_edge = bd->get_boundary(i);
        boundary_vertices.insert(bd_edge.data(), bd_edge.data() + 2);
    }

    m_boundary.resize(boundary_vertices.size());
    std::copy(boundary_vertices.begin(), boundary_vertices.end(),
            m_boundary.data());

    m_boundary_idx = VectorI::Ones(num_vertices);
    m_boundary_idx *= -1;
    const size_t num_boundary_vertices = m_boundary.size();
    for (size_t i=0; i<num_boundary_vertices; i++) {
        m_boundary_idx[m_boundary[i]] = i;
    }
}

void TriangleMesh::init_boundary_edges(const BoundaryPtr& bd) {
    m_boundary_edges = bd->get_boundaries();