Re: vector fields on a surface

[slevy]

> But what about vector fields on a surface in space?

I'll assume you mean using geomview itself.  The only way to display vector
fields is to produce a series of vector objects with a line segment
for each one, i.e. you supply endpoint coordinates for each vector you
want drawn.  This is true no matter what space the vectors live in.
There's no canned way -- within Geomview anyway -- to e.g. sample a symbolic
function over some domain and present it as a vector field,
as your question seems to suggest.