Function guideMark

docs/app/js/sanddance-app.js:147627–147635

(mark, extras)

    });
}
function guideMark(mark, extras) {
    if (extras) {
        mark.name = extras.name;
        mark.style = extras.style || mark.style;
        mark.interactive = !!extras.interactive;
        mark.encode = extendEncode(mark.encode, extras, Skip);
    } else mark.interactive = false;
    return mark;
}
function legendGradient(spec, scale3, config, userEncode) {
    const _ = lookup(spec, config), vertical = _.isVertical(), thickness = _.gradientThickness(), length = _.gradientLength();
    let enter, start, stop, width, height;