Right now, you can try setting the value to 0 instead of null, and setting the formatted value to "Data not available". You can also file a feature request here<http://code.google.com/p/google-visualization-api-issues/issues/list> .
On Friday, November 23, 2012 2:10:08 PM UTC-5, NMU wrote: > > I'd prefer it remains at least as an option b/c if a series has all null > values for all values of the line/bar then at least the user hovering over > can see that there wasn't an error (if a message like Data not available > was put in place). As it is now, it looks like that series was omitted. > What can be done here? > > On Thursday, November 22, 2012 6:36:39 PM UTC-5, asgallant wrote: >> >> Hmmm...my inclination is to say that the null displaying in the tooltip >> for the LineChart is actually a bug. Null's shouldn't be displayed at all >> (and many features of the API depend on this being true). Perhaps the >> solution is to implement an option to include nulls in tooltips, but make >> it false by default. >> >> On Thursday, November 22, 2012 10:46:22 AM UTC-5, NMU wrote: >>> >>> Hello, >>> >>> I have a column chart being populated with dynamic data. When a value is >>> nullI I add Data not available in the tooltip for that series/point or >>> column. If the chart is converted to a line, the tooltip shows the series >>> colour followed by the "Data not available" label. But when using a column >>> chart, the tooltip omits the series completely. I am using >>> focusTarget:'category' so the other series will show but the null value >>> won't. How can i get the column tooltip to show the null label? >>> >>> Thanks. >>> >> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-visualization-api/-/sBnF-n3ft7YJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
