[vtkusers] delete a cell (or point)

[Bill Chivas]

Thanks David. I will try it.

> Date: Tue, 16 Nov 2010 07:52:48 -0500
> From: daviddoria at gmail.com
> To: billno123 at hotmail.com
> CC: vtkusers at vtk.org
> Subject: Re: [vtkusers] delete a cell (or point)
> 
> On Tue, Nov 16, 2010 at 4:50 AM, Bill Chivas <billno123 at hotmail.com> wrote:
> > Hello all,
> >
> > is there an efficient way to delete an element from a grid? One could say
> > "just rebuild a new grid with the rest of the cells".
> > Imagine i have a very large grid, for example 5 million cells. It's very
> > inefficient.
> > So, is there any other way to delete a cell (or a point) from a grid apart
> > from building a new grid with the remaining cells (or points)?
> > If not, any tricks for optimization the current "solution" of re-building
> > the grid?
> >
> > Thanks
> 
> Did you try ExtractSelection with the inverse of the selection of the
> points to delete?
> 
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/ExtractCellsUsingPoints
> 
> David
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