Method write_face_elements

src/IO/PLYWriter.cpp:253–284

}

void PLYWriter::write_face_elements(Mesh& mesh, p_ply& ply) {
    const size_t num_faces = mesh.get_num_faces();
    const size_t num_vertex_per_face = mesh.get_vertex_per_face();
    const VectorI& faces = mesh.get_faces();

    std::vector<const VectorF*> attributes;
    std::vector<size_t> per_face_sizes;
    for (NameArray::const_iterator itr = m_face_attr_names.begin();
            itr != m_face_attr_names.end(); itr++) {
        const std::string& name = *itr;
        const VectorF& attr = mesh.get_attribute(name);
        attributes.push_back(&attr);
        per_face_sizes.push_back(attr.size() / num_faces);
    }

    const size_t num_attributes = attributes.size();
    for (size_t i=0; i<num_faces; i++) {
        ply_write(ply, num_vertex_per_face);
        for (size_t j=0; j<num_vertex_per_face; j++) {
            ply_write(ply, faces[i*num_vertex_per_face + j]);
        }
        for (size_t j=0; j<num_attributes; j++) {
            const size_t per_face_size = per_face_sizes[j];
            if (per_face_size != 1) {
                ply_write(ply, per_face_size);
            }
            for (size_t k=0; k<per_face_size; k++) {
                ply_write(ply, attributes[j]->coeff(i*per_face_size + k));
            }
        }
    }
}

void PLYWriter::write_voxel_elements(Mesh& mesh, p_ply& ply) {
    const size_t num_voxels = mesh.get_num_voxels();