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Re: [Gnumed-bugs] Error attempting Gnuplot on Report generator

From: Karsten Hilbert
Subject: Re: [Gnumed-bugs] Error attempting Gnuplot on Report generator
Date: Tue, 10 May 2011 16:18:05 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, May 10, 2011 at 06:46:32AM -0700, Jim Busser wrote:

> > So.. I should not bother with py26-gnuplot?
> Actually, I installed it and can now reach the prompts to offer the x and y 
> axes.


> I take it x and y cannot be anything except numeric?

Pretty much, which includes anything you can use SQL for to
make it look like numeric, such as



> I can't think of a query which would result in two numeric
> values which could be passed to gnuplot from the report
> generator.

We are passing in *series* not single values. The series
come from the column you chose for the x- and y-axis.

> How to show, in base GNUmed, the usefulness of the
> Visualize button? Would there be a way to pass a set of
> dates as the x axis and a numeric value as the y?

There would, if you tell PostgreSQL to format the dates like
shown above.

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