Method raw_to_geomesh

tools/Geogram/GeogramMeshUtils.cpp:46–78

}

GeoMeshPtr GeogramMeshUtils::raw_to_geomesh(
        const MatrixFr& vertices, const MatrixIr& faces) {
    const size_t dim = vertices.cols();
    const size_t vertex_per_face = faces.cols();
    const size_t num_vertices = vertices.rows();
    const size_t num_faces = faces.rows();

    if (vertex_per_face != 3) {
        throw NotImplementedError("Converting non-triangle mesh to "
                "Geogram mesh is not yet implemented");
    }

    auto geo_mesh = std::make_shared<GeoMesh>(dim, false);
    geo_mesh->vertices.clear();
    geo_mesh->vertices.create_vertices(num_vertices);
    geo_mesh->facets.clear();
    geo_mesh->facets.create_triangles(num_faces);

    for (size_t i=0; i<num_vertices; i++) {
        auto& p = geo_mesh->vertices.point(i);
        for (size_t j=0; j<dim; j++) {
            p[j] = vertices(i,j);
        }
    }

    for (size_t i=0; i<num_faces; i++) {
        geo_mesh->facets.set_vertex(i, 0, faces(i,0));
        geo_mesh->facets.set_vertex(i, 1, faces(i,1));
        geo_mesh->facets.set_vertex(i, 2, faces(i,2));
    }

    return geo_mesh;
}

GeoMeshPtr GeogramMeshUtils::wire_network_to_geomesh(
        const MatrixFr& vertices, const Matrix2Ir& edges) {