[no subject]

Steve,

>In general, what should the VisAD MathType be of a dataset that
>comprises two Scalars and one Field?  Should it be the Tuple
>
>    (scalar1, scalar2, field)
>
>or the Tuple
>
>
>    ((scalar1, scalar2), field)

I think one thing to consider is if (scalar1, scalar2) could be
interpreted as having a default CoordinateSystem.  In that case,
I dont thing they should be broken out.

TomR