>From what I understand of the streamline filter (and the custom version), the
>stream lines produced with these filters take into account the sign and
>direction of the vector.
I need to use a version where only the direction of the vector and not the sign
is taken into account. That is, our vectors are headless / non-polar. Thus for
these two (linear / parallel / anti-parallel) cases, the streamline would be
the same for my data:
---> <---
---> --->
Obviously with the filter as is, the first one stops at the mid-point but the
second is continuous.
Our data is not unidirectional (the orientation of the field varies with space)
and so I cannot just make sure that one of the components (say the z) of the
vector in the data set is always positive as this always leads to breaks in the
streamlines at some point.
Thanks in advance if anyone has a tip how to deal with this.
Martin
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