[Paraview] streamline tracer does not work on cut filter results

[Utkarsh Ayachit]

Can you try reproducing the issue using the disk_out_ref.ex2 data set 
provided with in ParaViewData?

Utkarsh

Dominik Szczerba wrote:
> Thanks for a hint, but no, applying SurfaceVectors prior to StreamTracer 
> does not help. I made sure the line is in plane. I manage to get a few 
> very short bits of streamlines but they die out quick. So indeed sounds 
> like in-plane accuracy. I checked the range of my velocity and after 
> SurfaceVectors the range in the plance normal direction is NOT zero. I 
> used the Calculator to put it explicitly to zero, but it did not help 
> either. BTW. I can correctly display velocity as glyphs on the cut. 
> Anything else I can do to make sure it is not a bug?
> 
> -- Dominik
> 
> Utkarsh Ayachit wrote:
>> Try using the "Surface Vectors" filter to project the vectors onto the 
>> cut plane. Also, you have to ensure that the seed point is on the 
>> surface (which may be tricky with a point clound, use the line source 
>> instead for seeding streamlines).
>>
>> Utkarsh
>>
>> On Tue, Jun 17, 2008 at 9:02 AM, Dominik Szczerba 
>> <domi at vision.ee.ethz.ch <mailto:domi at vision.ee.ethz.ch>> wrote:
>>
>>     I noticed that if I cut my tet mesh with cut filter I can no longer
>>     plot streamlines. I tried finetuning the parameters -> no luck.
>>     Works perfect on the original 3D dataset with no tweaks. Any ideas?
>>     Thanks.
>>     --     Dominik Szczerba, Ph.D.
>>     Biomedical Simulation Group
>>     Computer Vision Lab CH-8092 Zurich
>>     http://www.vision.ee.ethz.ch/~domi
>>     <http://www.vision.ee.ethz.ch/%7Edomi>
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>>
>