p.s., Re: PickManiplulationRenderer Not Working

[Bill Hibbard <billh@xxxxxxxxxxxxx>]

On Mon, 10 Oct 2005, Bill Hibbard wrote:

> This is the approach I would take. I'd use a straight line,
> possibly as a Gridded2DSet, displayed with a DefaultRenderer,
> and a set of RealTuples for a series of evenly spaced points
> along the line, each displayed with a D_M_R_.

If you only want the user to be able to move
the points along circles, then each could be a
Real, whose RealType is ScalarMap'ed to Longitude,
with a ConstantMap fixing the Radius (a different
radius for each Real point).