What is an Oval ? ( was Re: Newbie: Machining an oval?

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<davemucha@j...> wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "gglines1" <gglines@c...>
> wrote:
> > My terminology was poor. I should have said ellipse.
> >
> > Thanks,
> >
> > George
>
> not a problem, It took me 20 minutes to track down that an oval is
> not a specifc shape.
>
> since an ellipse is a rather simple shape, with known references,

all

> one has to do is figure out some of the parameters and a

spreadsheet

> will offer a simple cordinate layout.
>
> with that, it would be very easy to generate the code for any part

of

> an ellipse.
>
> Dave

Dave,

Where did you find those mathemtical relationships? I've found
references to drawing them by hand using a string anchored to two
points, but nothing about how to calculate the relationships.

George