I suggest making a feature
request<http://code.google.com/p/google-visualization-api-issues/issues/list>to
add support for custom tooltips on the "Other" slice.
On Thursday, December 19, 2013 1:09:34 PM UTC-5, Joshua Logan wrote:
>
> Has anyone found a way to show a tool tip when the user hovers over a
> grouped Pie Slice.
>
> For example. In my chart, I have been experimenting with the
> sliceVisibilityThreshold property of the chart cosntructor and so far it
> works pretty well. The objective of this property is to aggregate pie
> slices that are to small to appear individually. The problem is that once
> it aggregates the slices, the user can not hover for a tool tip explaining
> the breakdown of the slices.
>
> Here is the code snippet for my constructor.
>
> //////////////////////////////////////////////////////////////////
> /////////////// Variable Diversity Chart ///////////////
> /////////////////////////////////////////////////////////////////
>
> var data2 = google.visualization.arrayToDataTable(dataChoice.data2);
> var options2 =
> {
> colors: ['#937ab1', '#59bad1', '#6095c9', '#aac46c', '#dda576', '#ede79d',
> '#e27d7d', ],
> chartArea: {left:13, top:10, width:"234", height:"234"},
> pieSliceTextStyle: {fontSize: 14, fontName: 'Arial Black', color:
> '#4c4c4c',},
> pieStartAngle: -65,
> legend: { position:'none', alignment:'start', textStyle: { fontSize:15}},
> backgroundColor:'transparent',
> tooltip: {textStyle:{fontSize: 12, fontName: 'Arial', color: '#4c4c4c'},
> text: 'value',},
> sliceVisibilityThreshold: .008,
> pieResidueSliceLabel: 'Other',
> };
> var chart2 = new
> google.visualization.PieChart(document.getElementById('cd_chart_div2'));
> chart2.draw(data2, options2);
>
> I have attached a screen grab of the output. The slice in question is in
> the gray slice right above the red-ish colored slice. When hovered, it does
> not do anything and is still too small for a label. I fear that this will
> hinder accurate reporting of data for the client.
>
>
>
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