html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.circular([{value: 7.5}]);

    chart.axis();

    chart.needle();

​

    // Set range by index.

    chart.range(0, {from: 6.9, to: 7.2});

​

    // Set range by index.

    chart.range(1, {from: 7.2, to: 7.5});

​

    chart.title('Set range settings as an object by indexes');

    chart.container('container');

    chart.draw();

});