anychart.onDocumentReady(function () {
var stage = anychart.graphics.create("container", 600, 400);
var chart = anychart.gauges.linear([15, 20, 25, 30, 44]);
var scaleBar = chart.scaleBar();
scaleBar.fill(["#FEFEFE", "#424242"], 0.5, 0.5, null, 0.8, 0.5, 0.5);
chart.title("Set fill as a radial gradient");
chart.axis({offset: "-11%"});
chart.scale().minimum(0);