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 <[email protected]>wrote: > Try using the contour filter instead. > > -Ken > > > > On 6/16/10 4:51 PM, "Mohammad Mirzadeh" <[email protected]> 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 > *********** > *** *** *** email: [email protected] > ** *** ** phone: (505) 844-8919 > *** web: http://www.cs.unm.edu/~kmorel > >
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