[vtk-developers] vtkExplicitCell

Will Schroeder will.schroeder at kitware.com
Fri Jul 3 09:43:21 EDT 2015


This could work, although I'm not quite seeing how trim edges would fit in.
Also sometimes there are supplemental structures like polygonal
tessellations to help speed up geometric operations, etc.

On Fri, Jul 3, 2015 at 9:15 AM, David Thompson <david.thompson at kitware.com>
wrote:

> > Long term I'd like to think how we could represent a CAD model with a
> large number of trimmed splines.
>
> What problem do you foresee with a multiblock of structured grids? The
> memory overhead of vtkStructuredGrid? It seems pretty minimal to me
> compared to the b-reps CAD packages use and the multiblock dataset need not
> be flat... it could be a bounding box hierarchy for fast culling of
> irrelevant patches.
>
>         David




-- 
William J. Schroeder, PhD
Kitware, Inc.
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