[Paraview] Threshold

[Scott, W Alan]

Try clip by scalar?

Alan

From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org] On Behalf Of Mohammad Mirzadeh
Sent: Wednesday, June 16, 2010 5:22 PM
To: Moreland, Kenneth
Cc: paraview at paraview.org
Subject: Re: [Paraview] Threshold

Thanks Ken,

I have tried that. The problem is that contour gives exactly the opposite surface. That may sound a bit confusing, so let me explain. Suppose I have a cube, and I exclude a sphere from it. Now what I want to see is the parts of the cube that are outside the sphere. However, if I plot the zero contour of my level set, it just draws the sphere which is exactly the opposite of what I'm interested in!
On Wed, Jun 16, 2010 at 4:11 PM, Moreland, Kenneth <kmorel at sandia.gov<mailto:kmorel at sandia.gov>> wrote:
Try using the contour filter instead.

-Ken



On 6/16/10 4:51 PM, "Mohammad Mirzadeh" <mirzadeh at gmail.com<http://mirzadeh@gmail.com>> wrote:
Dear all,

I had a question about threshold filter. I am working on complex geometries and the way I represent them is to use a level set function. Now when I want to see solid part of domain, I just use the threshold filter on the level set function and ask for wherever it is positive. The problem that I have right now is that threshold filter kinda creates a rasterized bject right at the solid-fluid interface. Is there any way you can have a rather smooth shape at the interface?

Thanks,
Mohammad

Graduate Research Assistant,
Dept. Mech. Eng.,
University of California Santa Barbara
CA 93106


   ****      Kenneth Moreland
    ***      Sandia National Laboratories
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*** *** ***  email: kmorel at sandia.gov<http://kmorel@sandia.gov>
**  ***  **  phone: (505) 844-8919
    ***      web:   http://www.cs.unm.edu/~kmorel

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