Re: Venn diagrams in Visio?

From: Geert Vancompernolle (geert.vancompernolle_at_hotpop.com)
Date: 04/30/04 

Date: Fri, 30 Apr 2004 18:43:21 +0200

There's indeed a trick:

- Draw your ovals (Venn diagram symbols), the way they overlap like you want
them.
- Select both (or more) ovals
- Select Shape -> Operations -> Fragment

Result: you will have (in case of 2 ovals) 3 separate areas, that you can
for instance separately fill with a different color.

--Geert

"Mike Carroll" <mcarroll@pobox.com> wrote in message
news:6df6a403.0404300828.3197c738@posting.google.com...
> Logic texts use simple diagrams called Venn diagrams. They have
> overlapping circles as components, with parts of the circles filled
> in, to illustrate different relations between sets.
>
> If I put two overlapping circles on a Visio diagram, I can fill in
> both circles with the same pattern. This illustrates the union of two
> sets.
>
> To illustrate the intersection, I need to fill in just the area where
> the two circles overlap. This area is not a separate Visio shape, so
> I'm having trouble figuring out how to do this. I thought maybe I
> could give complementary fills to the two circles somehow, so that the
> fill would only be visible in the intersection, but haven't found
> anything that works.
>
> Anybody know a Visio trick to solve this problem?
>
> Thanks.
>
> Mike Carroll

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