Sorry for the late response. So the venn diagram visualizes the overlap between sets. Each set is represented by entries in a column e.g.

#SET1 SET2 SET3
A         G        A
B         H        B
C         A        G
D         B        H
E         C        X
F         D        Z

I hope this helps.

Thanks
Sam

On Thu, Jul 27, 2017 at 11:33 AM, Peter Cock <p.j.a.cock@googlemail.com> wrote:
Hi Steven,

Just in case, you're not talking about my older simpler Galaxy Tool
for drawing simple Venn Diagrams, are you?

https://toolshed.g2.bx.psu.edu/view/peterjc/venn_list
https://github.com/peterjc/pico_galaxy/tree/master/tools/venn_list

This reminds me that I ought to update that tool to work with
dependencies via conda...

Peter

On Mon, Jul 24, 2017 at 2:16 PM, Steven Shen <ishenweiyan@gmail.com> wrote:
> Dear Galaxy list,
>
> I am interested in Galaxy Charts visualization.But venn diagram confuses me
> when I upload my tabular data, it seems venn diagram need  one column
> observations at least, actually I don't clear what should be contained in
> the one column observations.
>
> So is there any venn diagram example data or usage for this charts plugin ?
> Sad to say I am not good at JavaScript :)
>
> Thank you very much.
>
> Regards,
> Steven
>
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