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();

​

    // Get range.

    var firstRange = chart.range();

    firstRange.from(6.9);

    firstRange.to(7.2);

​

    // Get range by index.

    var secondRange = chart.range(1);

    secondRange.from(7.2);

    secondRange.to(7.5);

​

    chart.title('Get and modify range');

    chart.container('container');

    chart.draw();

});