[vtkusers] vtkCutter equivalent that doesn't automatically triangulate?

Bill Lorensen bill.lorensen at gmail.com
Thu Dec 7 20:08:52 EST 2017


You could probe the unstructured grid with a vtkPlaneSource.

On Thu, Dec 7, 2017 at 8:07 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> What cells are in your UnstructuredGrid?
>
>
> On Thu, Dec 7, 2017 at 7:58 PM, Evan Kao <tossin at gmail.com> wrote:
>> Thanks for the quick reply.  I think it's a little different from I what I
>> want to do though, which is to specifically slice a vtkUnstructuredGrid to
>> get 2D cross sections.
>>
>> - Evan Kao
>>
>> On Thu, Dec 7, 2017 at 11:37 AM, Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>>>
>>> vtkClipPolyData
>>>
>>> See
>>>
>>> https://lorensen.github.io/VTKExamples/site/Cxx/VisualizationAlgorithms/ClipSphereCylinder/
>>>
>>> Bill
>>>
>>> On Thu, Dec 7, 2017 at 1:48 PM, Evan Kao <tossin at gmail.com> wrote:
>>> > Hello all,
>>> >
>>> > Is there a "slicing" filter like vtkCutter that keeps the original cells
>>> > without triangulation?  I know for clipping filters,
>>> > vtkTableBasedClipDataSet keeps the original cell connectivity for
>>> > unclipped
>>> > cells without tetrahedralization like vtkClipDataSet does.  Is there an
>>> > equivalent for slicing?
>>> >
>>> > If not, are there any ways to recover the original connectivity after
>>> > slicing?
>>> >
>>> > Thanks for your time,
>>> > Evan Kao
>>> >
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>>
>>
>
>
>
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