[vtkusers] about vtkStreamer

[Jeff Lee]

Hi,
vtkStreamTracer doesn't yet have the capability to do 
surface-constrained streamlines.  I have modified vtkStreamTracer to be 
able to do surface-constrained by projecting the calculated stream point 
back into the cell from which it was calculated.  I plan on checking the 
code in as soon as I get caught up with the vtk changes.  Currently, 
vtkStreamTracer will do surface constrained only if the velocity field 
is tangent to the surface everywhere (probably only ever happens in 
2D).  If you can't wait, I can guide you.
-Jeff

Petru Pau wrote:

> Amy,
>
>> vtkStreamTracer is the replacement for vtkStreamer.  See the 
>> following e-mail from Berk Geveci a few months ago: 
>> http://public.kitware.com/pipermail/vtkusers/2004-March/072433.html.
>
>
>
> Thank you very much for the prompt message. Had I spend a few minutes
> browsing the archive, I would have found Berk's e-mail a week ago.
>
> The StreamTracer works, however, with the same principles as vtkStreamer,
> in the matter that concerns me. I immediately tried to used it, and 
> with the
> input data that generated the image in my previous point, the streams
> got out of the cells. Attached is the result.
>
> In the and, your message is a bit depressing: I should start it all 
> over again,
> with StreamTracer this time... :(
>
> Petru
>
>
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