Did you change anything else? I'm getting the error:
Formatted value ('f'), if specified, must be a string.
I tried both methods.
Thanks so much,
Wendy
T
On Mon, Apr 28, 2014 at 12:53 PM, Andrew Gallant <[email protected]>wrote:
> You cannot change the legend to show the "sentence".
>
> After some experimentation, I found that there is undocumented support for
> changing the tooltip contents. I expect that this will be changed in the
> future, as it doesn't behave the same way as custom tooltips in other
> charts, but for now this should work. You need to rearrange your three
> columns in this order: "Country", "Value", "Sentence", and set the "role"
> property of the "Sentence" column to "tooltip". If you are using the
> DataTable#addColumns method, it would be like this:
>
> data.addColumn('string', 'Country');
> data.addColumn('number', 'Value');
> data.addColumn({type: 'string', label: 'Sentence', role: 'tooltip'});
>
> or if using the arrayToDataTable method:
>
> ['Country', 'Value', {type: 'string', label: 'Sentence', role: 'tooltip'}]
>
>
> On Monday, April 28, 2014 12:27:46 PM UTC-4, Wendy Bardsley wrote:
>>
>> Hi Andrew,
>> This works great, except the 2nd line of the tooltip (sentence) starts
>> with a space-colon-space, and it's bolded. Also the legend is still showing
>> the numbers. Can I get the legend to show the sentence instead? Can you
>> point to some documentation about the tooltip formatting (Showing a colon
>> is the most important thing I want to get rid of, or move to the row above)?
>> Thanks so much,
>> Wendy
>>
>> On Friday, April 25, 2014 3:00:55 PM UTC-7, Andrew Gallant wrote:
>>>
>>> What you want to do is use the "Sentence" column as the formatted value
>>> of the "Value" column. You can use a DataView to accomplish this:
>>>
>>> // create a DataView based on the DataTable "data"
>>> var view = new google.visualization.DataView(data);
>>> view.setColumns([0, {
>>> type: 'number',
>>> calc: function (dt, row) {
>>> return {v: dt.getValue(row, 2), f: dt.getValue(row, 1)};
>>> }
>>> }]);
>>>
>>> then draw the chart using the DataView instead of the DataTable.
>>>
>>> On Friday, April 25, 2014 5:23:03 PM UTC-4, Wendy Bardsley wrote:
>>>>
>>>> Hello,
>>>> I've created a map that has 3 columns of Data: Country,
>>>> Sentence(string), Value.
>>>> I only want to use the value to draw the colors on the map, but would
>>>> like to omit it from the tooltip and just display Country(name) and
>>>> Sentence.
>>>> After adding the 2nd string, it omits the Country Name on the tooltip,
>>>> bolds the sentence and puts the value on a newline with Value: 2 (for
>>>> example, number is bolded).
>>>> How can I format the tooltip so it shows the country name bolded on the
>>>> first line, sentence on the 2nd line (not bold), and omits the value for
>>>> the tooltip, while using it to draw the map?
>>>> The value has no intrinsic meaning, it doesn't relate to a unit, just
>>>> to degree of severity.
>>>> Thanks for any help, or pointing me to documentation about adding
>>>> columns,
>>>> Wendy
>>>>
>>>> --
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