Function rCenterFn

src/traces/sunburst/plot.js:464–466

(t)

        var pow = transform.rCenter === 0 ? 3 : prev.transform.rCenter === 0 ? 1 / 3 : 1;
        var _rCenterFn = interpolate(prev.transform.rCenter, transform.rCenter);
        var rCenterFn = function (t) {
            return _rCenterFn(Math.pow(t, pow));
        };

        return function (t) {
            var rpx1 = rpx1Fn(t);