[vtk-developers] vtkExplicitCell

[Will Schroeder]

Long term I'd like to think how we could represent a CAD model with a large
number of trimmed splines.

On Fri, Jul 3, 2015 at 9:04 AM, David Thompson <david.thompson at kitware.com>
wrote:

> Hi all,
>
> You are correct that the GSoC project is not using vtkExplicitCell.
> Instead, each NURBS patch will be a vtkStructuredGrid of control points
> with field data specifying knots. Collections of NURBS could live in a
> multiblock dataset.
>
> If you would prefer NURBS to be represented as cells instead of a special
> way to use a dataset, then we can keep vtkExplicit cell and adapt to it.
> But given that there are many different spline interpolants (NURBS, NURCCs,
> T-splines, point-based splines) it might be better to just consider them as
> datasets that are discretized at some point in a pipeline than as cells in
> their own right.
>
>         David
>
> On Jul 2, 2015, at 10:49 AM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>
> > All cells have a method IsExplicitCell(). They all return 0. I assume
> > we should keep this method for backward compatibility?
> >
> > Bill
> >
> >
> > On Thu, Jul 2, 2015 at 10:27 AM, Berk Geveci <berk.geveci at kitware.com>
> wrote:
> >> I say yank it.
> >>
> >> On Thu, Jul 2, 2015 at 9:12 AM, Bill Lorensen <bill.lorensen at gmail.com>
> >> wrote:
> >>>
> >>> Folks,
> >>>
> >>> vtkExplicitCell is not used nor tested anywhere in vtk.
> >>>
> >>> Can it be removed?
> >>>
> >>> Bill
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-- 
William J. Schroeder, PhD
Kitware, Inc.
28 Corporate Drive
Clifton Park, NY 12065
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