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();

    chart.title('Get chart as SVG with predefined width and height');

    chart.container('container');

    chart.draw();

​

    // Get chart as SVG with parameters.

    var SVGstring = chart.toSvg(300, 400);

    // Now you can do something with this string, send it to the server and etc.

});