[vtkusers] Isosurface: "Outer Surface"??

[R T]

Is there any way to get just an outer surface of an object
from a volume dataset?
I am reading an image file into an vtkImageData.
maybe, I need to preprocess vtkImageData first before
isocontouring?

--Roma

>From: "K.R.Subramanian" <krs at cs.uncc.edu>
>To: R T <doctorart at hotmail.com>
>Subject: Re: [vtkusers] Isosurface: Multiple Contours??
>Date: Thu, 25 Jul 2002 13:02:57 -0400
>
>Well, those inside points and cells are part of this single isosurface. The 
>isosurface
>is not guaranteed to just give the "outer" surface - it looks at every voxe 
>fo the grid
>and outputs polygons that corresponding to an approximation of the 
>isovalued surface.
>
>You have to specifically call the SetValue function multiple times with 
>different
>isocontour values to get multiple isosurfaces.
>
>     -- krs
>
>--
>K.R.Subramanian                        Phone: (704) 687-4872
>Department of Computer Science         FAX:   (704) 687-4893
>UNC Charlotte, CARC 311                Email: krs at cs.uncc.edu
>Charlotte, NC 28223-0001               Web: http://www.cs.uncc.edu/~krs




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