Dave Oxspring wrote:

> Robert J Becraft wrote:
> >
> > Brook Monroe wrote:
> > >
> > > The Y axis is UP?  What country did YOU study geometry in? <G> This is
> > > going to ruddy well make things difficult to produce in Moray, you know.
> > >
> >
> > Yes.  Hold up sheet of paper.  Draw x-y graph... x goes across the
> > bottom, y goes up the page... now add z... that goes on sheets of paper
> > placed in front of or behind your first page.
> >
> > Y is UP.
> >
> > Regards,
> > Robert J Becraft
> > aka cas### [at] aolcom
>
> Personally I agree - Up with Y.
>
> The only thing is that there is no sensible argument either way: so to
> counter my own opinion, and your argument, lets say you leave this piece
> of paper on the table where you drew your X and Y axis. Surely the
> sensible place for the Z is perpendicular to the other two lines heading
> Up.
>
> My argument is asfloorless as the previous one, and therfore equally
> floored.
>
> Think on...
>
> Rob
>
> (actually rox### [at] geocitiescom)

  BearFace and I have agreed that he and I both are right, that Z is up AND that
Y is up, and from now on, we're just going to split the difference and say X is
up, just to keep things simple. <G>

jbm!

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