Hello,

First of all thanks a lot for the great tool!
We would like to use Google Visualization API on our website and we
even found that "Annotated Time Line" is something that is best for
our needs. However there is a problem - we have 3 series of data that
corresponds to 3 different regions, the data basically has to columns:
datetime and a number. Whoever, the datetime part is rarely equal
between the regions, i.e it could be:
Region_1 June 6 1000
Region_2 June7 2000

But that means we can't use "Annotated Time Line" because it doesn't
support multiple data sets with independent "x-value". A solution
would be to use "Line charts" with chart_type=lxy, which "Lets you
specify both x- and y-coordinates for each point, rather just the y
values", but I wonder if it costs the effort, because our current tool
does almost that and we really wanted to make use of the interactive
features of Google Visualization.

So basically my question is: is there any option like chart_type=lxy
for "Annotated Time Line" or a similar chart, which would allow us to
draw 3 independent graphs on one chart?

Many thanks in advance!
Daniel

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