Hi,
and what is the best way to change options dynamicly ? i want to change add
or remove options dynamicly from a chart.
at the moment i do it like this:
var options = {
> title: 'New Values',
> animation:{
> duration: 1000,
> easing: 'in'
> },
> isStacked: false,
> pointSize: 3
> };
>
options.istStacked=true; //Set Stacket to true
> chart.draw(dataView, options); // redraw chart
>
is there a better way ? how can i set,add and remove options dynamicly ?
Am Montag, 24. März 2014 17:03:13 UTC+1 schrieb cyb:
>
> Hi,
>
> i have the following code:
>
>
> var data = new google.visualization.arrayToDataTable([
> ['date','column1','column2'],
> [20111001,2,3],
> [20111002,5,6],
> [20111003,8,9],
> [20111004,11,12] ]);
>
>
> var dataView = new google.visualization.DataView(data);
>
> var chart = new
> google.visualization.LineChart(document.getElementById('chart_div'));
>
> chart.draw(dataView, options);
>
>
> This draws me a line chart but if i replace the LineChart with this: chart
> = new google.visualization.PieChart(document.getElementById('chart_div'));
> i get this error: "Pie chart should have a first column of type string"
> What is now the best an easiest way to convert the data from a line in a
> pie chart? I want switch between a pie and a line chart and all should use
> the same data-array. Or can i disable the check that the first value must
> be a string !?
> And then i want select different values with dataView.setColumns(); so
> that i can determine which data is showing in my chart.
>
> And second question can i convert the date- column to a real date !?
> 20111001 is Year 2011 Month: 10 and Day: 01 ?
>
>
>
> Best regards cyb
>
>
>
>
>
>
>
>
>
>
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