Compute Streamlines in Parallel and Antiparallel Directions

I have a field vector on a 3D grid and I am using
XYZ = stream3(X,Y,Z,U,V,W,startx,starty,startz)
to calculate the streamlines. It works great when calculating the streamlines parallel to the flow. However, I need to find the streamlines upstream (antiparallel) and downstream of the seed points. Is there any way to do that?

 Accepted Answer

Just reverse your velocity fields.
XYZ_reverse = stream3(X,Y,Z,-U,-V,-W,startx,starty,startz)

More Answers (0)

Asked:

on 30 Apr 2018

Commented:

on 1 May 2018

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