Found the problem:
You need to do the following:
mylinechart.setStyle('calloutStroke', null);
Eli, I guess didn't fix this for Gumbo either.
Documentation for Flex 3 and Gumbo, as well as the code says it should be
chart.setStyle('dataTipCalloutStroke', null);
which is not correct (see link below)
http://www.mail-archive.com/[email protected]/msg64697.html
--- In [email protected], "flexaustin" <flexaus...@...> wrote:
>
> I was wondering if anyone has seen an example or can tell me if I am on the
> correct track regarding datatips.
>
> What I am trying to achieve is create a line chart with two data series, thus
> two lines. The chart height will be low, like Edward Tuft's sparklines
> (google it if you aren't familiar).
>
> When the user mouses over the chart I want to send both data point of data
> for both the series to a datatip function. I then want nothing to show up for
> the datatip (blank and no gray lines forking out), as I am sending that
> hitData info to a function that displays the data series points on another
> panel.
>
> So far I have created a custom dataTipRenderer, that is empty, but I still
> get the gray lines forking out point to my empty/blank renderer. So it looks
> like a gray line sticking out to nothing. Second issue is that I always want
> both series to send their data to my datatip function. Sometimes it sends
> both if the mouse pointer happens to touch both lines.
>
> I was thinking if I make a custom mouse pointer for just the chart that is a
> long vertical line it will always touch both data points, which solves that
> problem. Unless anyone has another idea?
>
> The second issue with the gray forking lines I can't seem to get rid of those
> little suckers.
>
> Any ideas?
>
