[Paraview] Arrow Glyphs imapping velocity vectors in turbulent flow

Wylie, Brian bnwylie at sandia.gov
Thu Mar 31 16:13:00 EST 2005


Ahh... Silly me... Method 2 is what I used before that functionality was
combined with the glyph filter. :)

Brian Wylie - Org 9227
Sandia National Laboratories
MS 0822 - Building 880/A1-J
(505)844-2238 FAX(505)845-0833                       
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                                    Unleash the Beast
 

> -----Original Message-----
> From: Wylie, Brian 
> Sent: Thursday, March 31, 2005 2:11 PM
> To: 'don fisher'; paraview at paraview.org
> Subject: RE: [Paraview] Arrow Glyphs imapping velocity 
> vectors in turbulent flow
> 
> Don,
> 
> These methods may not be an 'formal' as you would like, but 
> they are quite easy and useful
> 
> 1) Use calc to compute mag of vector and then apply 
> 'Threshold' filter on the mag scalar array and threshold out 
> the vectors with smaller magnitudes
> 
> AND/OR
> 
> 2) Use the 'Mask Points' filter (with Random on) on the 
> dataset and then glyph the result of mask points.
> 
> Brian Wylie - Org 9227
> Sandia National Laboratories
> MS 0822 - Building 880/A1-J
> (505)844-2238 FAX(505)845-0833                       
>      ____                  _    __
>     / __ \____  _________ | |  / (_)__ _      __ 
>    / /_/ / __ `/ ___/ __ `/ | / / / _ \ | /| / /
>   / ____/ /_/ / /  / /_/ /| |/ / /  __/ |/ |/ /
>  /_/    \__,_/_/   \__,_/ |___/_/\___/|__/|__/                
>                                    
>                                     Unleash the Beast
>  
> 
> > -----Original Message-----
> > From: paraview-bounces at paraview.org
> > [mailto:paraview-bounces at paraview.org] On Behalf Of don fisher
> > Sent: Thursday, March 31, 2005 8:31 AM
> > To: paraview at paraview.org
> > Subject: [Paraview] Arrow Glyphs imapping velocity vectors in 
> > turbulent flow
> > 
> > I am trying to visualize the vector field in explosive data 
> > characterized by turbulent flow. I am searching for an 
> algorithm, or 
> > reference, to a technique that will "thin" the number of 
> vectors. My 
> > goal is to accomplish this without introducing patterns or 
> artifacts 
> > native to the thinning process.
> > 
> > Any ideas or references would be appreciated.
> > 
> > Thanks in advance.
> > don
> > _______________________________________________
> > ParaView mailing list
> > ParaView at paraview.org
> > http://www.paraview.org/mailman/listinfo/paraview
> > 
> > 



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