Yes, the documentation is wrong. Thanks for reporting! Fixed now.
On Sat, Jul 14, 2012 at 2:26 AM, Andrew Nelson <[email protected]> wrote:
> Thanks,
> So the API documentation is wrong?
>
> On Saturday, 14 July 2012 02:25:55 UTC+10, asgallant wrote:
>>
>> I believe that the "interval" role is not supported for ScatterCharts;
>> the documentation lists it as supported for "column n" roles, but it should
>> be "emphasis" there.
>>
>> On Friday, July 13, 2012 1:43:52 AM UTC-4, Andrew Nelson wrote:
>>>
>>> Hi,
>>> I've been trying to plot error bars on a scatter chart (using the
>>> scatterchart playground). However, I keep getting an error: "Cannot read
>>> property type of 'null'".
>>>
>>> There must be something simple going on. I've been trying for a while,
>>> but I'm a bit of a newbie to Javascript. Can anyone point out where I'm
>>> going wrong?
>>> The code follows.
>>>
>>> <code>
>>> function drawVisualization() {
>>> // Create and populate the data table.
>>> var data = new google.visualization.**DataTable();
>>> data.addColumn({type:'number', role:'domain'});
>>> data.addColumn({type:'number', role:'data'});
>>> data.addColumn({type:'number', role:'interval'});
>>> data.addColumn({type:'number', role:'interval'});
>>>
>>> data.addRows( [[1, 1, 0, 4],
>>> [2,2, 0, 4]
>>> ]);
>>>
>>>
>>> // Create and draw the visualization.
>>> var chart = new google.visualization.**ScatterChart(
>>> document.getElementById('**visualization'));
>>> chart.draw(data, {title: 'Cool shapes',
>>> width: 600, height: 400,
>>> vAxis: {title: "Y", titleTextStyle: {color:
>>> "green"}},
>>> hAxis: {title: "X", titleTextStyle: {color:
>>> "green"}}}
>>> );
>>> }
>>> </code>
>>>
>> --
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