[pstricks] Venn Diagram example?

[Jan Steffan]

On Friday 08 July 2005 09:12, Herbert Voss wrote:
> http://PSTricks.tug.org/main.cgi?file=beamer/beamer
> as an example for "transparency" colors.
In this example the hatch lines are aligned exactly on top
of each other, so there is no transparency effect (at least with some
viewers and printers). 
Setting the angle of each hatchfill to a different value produces moiree 
effect which come out more or less ugly, too.

Isn't there a way to slightly offset each fill so that the hatchlines 
interleave? I could imagine that this would produce better results. 
 Jan

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