html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.line([

        {x: 'January', value: 200},

        {x: 'February', value: 500},

        {x: 'March', value: 300},

        {x: 'April', value: 900},

        {x: 'May', value: 40}

    ]);

​

    chart.yScale(anychart.scales.log());

    chart.title('Trying to get a tick position');

    chart.container('container');

    chart.draw();

​

    var logScale = chart.yScale();

​

    // Trying to get a tick position.

    var position = logScale.inverseTransform(0.5);

​

    // Returns "10".

    chart.lineMarker({value: position});

});