I assume by columns you mean additional time-lines...I don't think
they have exposed this part of the api yet.

On Dec 16, 8:52 pm, "[email protected]"
<[email protected]> wrote:
> Hi team,
>
> In the following link (in google finance) there is a anotation time
> line graph.
>
> http://finance.google.com/finance?q=NASDAQ:VRTU
>
> the greate thing is there we can select columns to be draw in the
> graph by check the check box.
> i have draw the annotated graph by using parameters which are
> displayed in
>
> http://code.google.com/apis/visualization/documentation/gallery/annot...
>
> link. but that demo is not telling the way to draw the above graph.
> can anyone tel me this feather is not free to us to use or if not how
> we can do this thing. please help me to find this.
>
> because when we are adding more columns to the charts it is not nice
> to see all at once. so if the user can select one or more columns and
> see then that will be grate.
>
> Please let me know how can i do this.
>
> thanks & best regards,
> Sajeevi
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