[vtkusers] Re: Extracting external cells

[Steve Joyce]

Hi,

vtkDataSetSurfaceFilter only extracts the external surfaces of the
cells. I would like to get the whole cells.
For example, for a grid made up of cubes, it would return the outer
cubes only.
I'm sure I could do it in a brute force way by checking each cell to
see if it had an external surface, but I was wondering if there was an
existing filter that did it or if there was a more elegent way. Note
that I am dealing with data sets that are usually grids and are usually
unstructured.

Thanks,
Steve

>See vtkDataSetSurfaceFilter.
>- Amy

At 05:28 AM 9/22/2004, Steve Joyce wrote:
>Hi,
>
>Is there any way of extracting the external cells of a data set?
>I.e. those cells that have at least one face on the external boundary
>of the data set.
>
>Thanks,
>Steve





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