html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.pie([

        {x: 'Cycling', value: 10},

        {x: 'Swimming', value: 12},

        {x: 'Run', value: 18},

        {x: 'Hiking', value: 11},

        {x: 'Alpinism', value: 9}

    ]);

​

    // Set fill.

    chart.fill(function () {

        return 'rgba(100,' + (50 * (this.index + 1) - 10) + ', 248, 0.6)';

    });

​

    chart.legend(null);

    chart.title('Set chart fill parameter as a function');

    chart.container('container');

    chart.draw();

});