The grid should be part of your velocity data. How are your velocity
vectors mapped in space? If you don't have them on a grid, this
isn't going to work.
If you need to specify your start position, in the Streamline cdb,
enter [x y] for the start input with x and y as your start position.
David
There may be a semantic issue here; Fred may be referring to a
reference that I think is mentioned in Streamline documentation that
you could for example take the output of the Grid module as the
"start" positions if you want to emit a bunch of streamlines. Note
that you feed these values to "start", not as the input data field
(which is the velocity field of course).
Chris Pelkie
Vice President/Scientific Visualization Producer
Conceptual Reality Presentations, Inc.
30 West Meadow Drive
Ithaca, NY 14850
[EMAIL PROTECTED]
