Method write_face_file

src/IO/NodeWriter.cpp:81–116

}

void NodeWriter::write_face_file(const std::string& filename, Mesh& mesh) {
    const size_t num_faces = mesh.get_num_faces();
    const size_t vertex_per_face = mesh.get_vertex_per_face();
    if (num_faces == 0) return;
    if (vertex_per_face != 3) {
        throw IOError("Only triangle is supported in .face file.");
    }

    std::ofstream fout(filename.c_str());
    fout.precision(16);
    if (!is_anonymous()) {
        fout << "# Generated with PyMesh" << std::endl;
    }
    VectorF bd_marker;
    if (m_with_face_bd_marker) {
        if (!mesh.has_attribute("face_boundary_marker")) {
            throw IOError("Attribute \"face_boundary_marker\" does not exist.");
        } else {
            bd_marker = mesh.get_attribute("face_boundary_marker");
            assert(num_faces == bd_marker.size());
        }
    }

    const VectorI& faces = mesh.get_faces();
    fout << num_faces << " " << m_with_face_bd_marker << std::endl;
    for (size_t i=0; i<num_faces; i++) {
        fout << i;
        for (size_t j=0; j<vertex_per_face; j++) {
            fout << " " << faces[i*vertex_per_face+ j];
        }
        if (m_with_face_bd_marker) {
            fout << " " << bd_marker[i];
        }
        fout << std::endl;
    }
}

void NodeWriter::write_elem_file(const std::string& filename, Mesh& mesh) {
    const size_t num_voxels = mesh.get_num_voxels();