Worked just fine for me too!
Many thanks to you all for the great help.

Costas

--- "Kenney, Jack" <jkenney AT jhancock DOT com> wrote:
> Sorry, should have also mentioned that we have found
> something of a
> workaround for this problem.
> Try using the -resolution parameter, e.g.
> -resolution 5.
> It may change the appearance of the graphs,
> somewhat, but the craziness of
> the values should disappear.
> At least it did in our case.
> Hope this works.
> 


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