How to draw streamlines in visit?

[khemgautam27]

Can somebody please instruct me how to draw streamlines in visit from scalar velocity data (in x- and y- directions respectively) that visit can read?

[cyrush]

First, define a vector expression that combines your x and y components.

Controls Menu->Expressions:

Then you can follow this tutorial to create a pseudocolor plot that uses the integral curve operator:
https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/tutorials/Aneurysm.html#examining-features-of-the-flow-field-with-streamlines

[khemgautam27]

Thank you Cyrush!

[cyrush]

No problem, you are welcome!