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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