I am having a problem with flags in the upper value of a chart being
truncated when the annotations are too close together to view in one
horizontal line.

I am using the annotated time line chart in a slightly unusual way, so
first let me explain.

First I add a series of data without annotations. For instance, sales
of particular products by week.

Then I add a set of "events" such as e-alerts sent out and/or
conferences held. These events however are given a constant Y value
that are 20% above the largest Y value plotted in the first step.

So, I end up with one or more plotted lines that have variable Y
values without annotations and then a single flat line with a constant
Y value and annotations representing events. I then assure that the
chart's Max Y value is well above the Y value of the flat line in
order to accomodate the flags when grouped too closely together.

When I run in development all works fine. The annotations which are
too close to place in a horizontal line are vertically stacked where
necessary and do not go above the top of the chart. However when I
deploy the app (or simply view it from within IE or Firefox, but with
the development server address) the max Y value I set is not
respected. The chart is only slightly larger than the greatest Y value
plotted and only the first horizontal line of annotations is shown.
Wherever annotations are stacked vertically, they are truncated and
many flags are not visible.

Is this a bug? If so has anyone solved it using GWT, or are there any
other ways that anyone can think of that I can represent the data and
achieve the same visual goal?

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