Gregory D Abram wrote:
>
> Mark("positions") makes the positions component temporarily the data
> component. Compute("mag(a)", ... replaces the xyz positions with |xyz| -
> now, the data component contains the scalar distance from each point to the
> origin. Use Include to keep only those within a fixed radius, and then
> Unmark to restore the original data to the grid points.
>Wonderful! That's exactly the information I needed. Thank you so much. Rob.
