Streamlines in 2D Data

[Will Schroeder]

Hi David-

The streamer is designed to work on 2D data, but I know it has not been heavily tested. Could you send some sample data and code to demonstrate the problem.

Will

At 02:59 PM 5/9/00 -0400, David D. Marshall wrote:
>If I have a vtkStructuredGridSource -> vtkStreamLine ->
>vtkPolyDataMapper -> vtkActor pipeline where the source contains at
>least two planes of data then I can generate all of the streamlines I
>want, but if if the source data is planar, then I don't get any
>streamlines.  I've tried to turn on debugging, but I get nothing
>surprising, just that it generated no lines.  Even if I force the z
>velocity to zero (instead of ~+/- 1e-15) I don't get any streamlines for
>the planar data.  Is this a limitation on the streamline filter that it
>must have 3D cells to compute streamlines?
>
>--
>David D. Marshall
>ARTLab System Administrator/GRA
>Georgia Institute of Technology, Atlanta Georgia, 30332
>http://www.ae.gatech.edu/research/artlab/artl/artlab.html
>mailto:gte552m at prism.gatech.edu
>think: Why anonymity is good
>http://www.cato.org/pubs/briefs/bp-054es.html
>
>
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