How Draw Vertical Line to Histogram Graph on Google Charts??

[Dustqm Sybolls]

If I draw line chart there is no problem but I want to this on histogram graph..

For LineChart;

var chart = new google.visualization.LineChart(document.querySelector('#chart_div'));

For Histogram;

var chart = new google.visualization.Histogram(document.querySelector('#chart_div'));

Other Codes;

function drawChart () {
    var data = new google.visualization.DataTable();
    data.addColumn('string', 'Name');
    data.addColumn({type: 'string', role: 'annotation'});
    data.addColumn('number', 'Value');

    data.addRows([
        ['Foo', null, 4],
        ['Bar', null, 3],
        ['Baz', null, 7],
        ['Bat', null, 9],
        ['Cad', 'Vertical line here', 9],
        ['Qud', null, 2],
        ['Piz', null, 6]
    ]);

    var chart = new google.visualization.Histogram(document.querySelector('#chart_div'));
    chart.draw(data, {
        height: 300,
        width: 400,
        annotation: {
            // index here is the index of the DataTable column providing the annotation
            1: {
                style: 'line'
            }
        }
    });
}

[Daniel LaLiberte]

Hi Dustqm,

Unfortunately, the Histogram chart doesn't support annotations yet.  Given that it is very similar to the column chart, it might not be too difficult to add support for annotations, but we don't have plans to do that at the moment.

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daniel.laliberte@GMail.com 9 Juniper Ridge Road, Acton MA

[Dustqm Sybolls]

thank you for your answer Daniel..

24 Şubat 2014 Pazartesi 17:24:54 UTC+2 tarihinde Daniel LaLiberte yazdı:

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Daniel LaLiberte  - 978-394-1058

dlali...@Google.com   5CC, Cambridge MA

daniel.l...@GMail.com 9 Juniper Ridge Road, Acton MA