Function levels

docs/app/js/sanddance-app.js:130754–130757

(values, f, _)

    }
});
function levels(values, f, _) {
    const q = quantize(_.levels || 10, _.nice, _.zero !== false);
    return _.resolve !== "shared" ? q : q(values.map((t)=>(0, _d3Array.max)(f(t).values)));
}
function transformPaths(paths, grid, datum, _) {
    let s = _.scale || grid.scale, t = _.translate || grid.translate;
    if ((0, _vegaUtil.isFunction)(s)) s = s(datum, _);