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

[Dominik Szczerba]

Wooo it works with PV 3.2.1 official. So something got broken in the CVS.
-- Dominik

Dominik Szczerba wrote:
> I already did it, as mentioned in a previous post. No, it does not work 
> for me - does it work on my dataset for you?
> 
> In any case, that is a trivialized example, my real case is not 
> symmetric and a cut plane is not easily aligned with the axes.
> 
> I suspect this might have to do with:
> 
> 1) the funny range like 1.52e-18 - 1.22e-17 for point1/point2 in line 
> source sub-window that I get hitting 'X/Y/Z Axis' button.
> 
> 2) my mesh being quadratic and streamlining not working in such cases.
> 
> Thanks for any hints.
> -- Dominik
> 
> Michael Ahlmann wrote:
>> I had a similar problem when trying to visualize an axi-symmetric data 
>> set.  The problem was that the streamlines were not confined to the 
>> the axi-symmetric plane, and thus they were cut short at the point 
>> where the flow went in the circumferential direction.  The fix in my 
>> case was to use the calculator to develop a new, simplified data set.
>>
>> V = V_x * ihat + V_y * jhat + 0 * khat
>>
>> This way, the axi-symmetric component is zero, and doesn't affect the 
>> in plane streamlines.  I wonder if you could do something similar in 
>> your case?  Although I presume it would be more complex given that 
>> your cutting plane may not lay perfectly within one of the Cartesian 
>> planes...
>>
>> -Michael
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> 

-- 
Dominik Szczerba, Ph.D.
Biomedical Simulation Group
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi