Tooltip domain values when focusTarget: 'category'

[Henry Harrison]

Hi

I can't figure out where the domain values for tooltips are being retrieved from.  See below image 

This chart's tooltips uses a date format which is different to the h-axis's date format.  Where does this format come from because this chart doesn't use that format anywhere.  How can I set the tooltip to use the current h-axis format?  While I'm at it, can I remove the labels 'Units' & 'Price' from the tooltip and use just the coloured blocks?

Current options for this chart w.r.t the tooltips:

tooltip: { 

trigger: 'both', 

textStyle: { fontSize: 12 }, 

showColorCode: true

}, 

selectionMode: 'multiple', 

aggregationTarget: 'none',

focusTarget: 'category'

Thanks

Henry

[Daniel LaLiberte]

Hi Henry,

The tooltip formatted values come from the data values. You can either provide exactly the formatted string you want (using {v: someDate, f: "someFormattedDate"}) or generate a formatted value using a DateFormatter, or else the default formatting rule will be applied.   The axis tick values are formatted from the hAxis.format option, since they could be computed values.  There is a default format for the tick values as well.  It would be nice if the default format for data values were the same as for tick values.  We'll have to investigate doing that in the future.

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Daniel LaLiberte

dlaliberte@Google.com   5CC, Cambridge MA