html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var stage = anychart.graphics.create('container');

​

    var data = getData();

​

    var chart = anychart.heatMap(data);

    chart.top('10%');

    chart.title('Convert the global coordinates to local coordinates');

    chart.container(stage);

    chart.draw();

​

    // Converts the global coordinates to local coordinates.

    var localCoordinates = chart.globalToLocal(8, 8);

​

    var rectangle = stage.rect(0, 0, 170, 30);

    rectangle.fill({opacity: 0.1});

​

    rectangle.setX(localCoordinates.x);

    rectangle.setY(localCoordinates.y);

​

    var customText = anychart.graphics.text(localCoordinates.x, localCoordinates.y, "");

    customText.htmlText("Local coordinates [x: "

        + localCoordinates.x + ", y: " + localCoordinates.y + "]<br>Global coordinates [x: 8, y: 8]");

    customText.parent(stage);

​

    // Visualises local bounds.

    var localBounds = stage.rect();

    localBounds.setBounds(stage.getBounds());

});

​

function getData() {

    return [

        {x: 'California', y: '2004', heat: 1704211},

        {x: 'California', y: '2005', heat: 2782680},

        {x: 'California', y: '2006', heat: 2992679},

        {x: 'Illinois', y: '2004', heat: 727914},

        {x: 'Illinois', y: '2005', heat: 1150659},

        {x: 'Illinois', y: '2006', heat: 1134085},

        {x: 'Massachusetts', y: '2004', heat: 238819},

        {x: 'Massachusetts', y: '2005', heat: 157719},

        {x: 'Massachusetts', y: '2006', heat: 887169},

        {x: 'New York', y: '2004', heat: 1667969},

        {x: 'New York', y: '2005', heat: 2763503},

        {x: 'New York', y: '2006', heat: 3151022},

        {x: 'Texas', y: '2004', heat: 219967},

        {x: 'Texas', y: '2005', heat: 3732889},

        {x: 'Texas', y: '2006', heat: 4185098}

    ]

}