[vtk-developers] Shared ownership of an array of pointers

[David Gobbi]

Hi Philippe,

If the pointers are pointers to VTK objects, then you can use vtkVariantArray.

 - David


On Tue, Nov 20, 2012 at 9:29 AM, Philippe Pébay
<philippe.pebay at kitware.com> wrote:
> Just an idea: couldn't a vtkVoidArray be used (or abused) as container of
> raw pointers, that would be appropriately downcasted internally to the
> concrete type to which they are supposed to point? For instance, instead of
> having a
>  vtkMyInternalObject** obj
> instance variable, couldn't I use a
>  vtkVoidArray* obj
> instead, where each entry in obj would be the raw pointer to a
> vtkSmartPointer<vtkMyInternalObject>?
>
> Thanks
> Philippe
>
>
> On Tue, Nov 20, 2012 at 5:14 PM, Philippe Pébay <philippe.pebay at kitware.com>
> wrote:
>>
>> Hello Kyle
>>
>> Yes, I would want to avoid a dependency on Boost. But this is basically
>> what I am tried to reproduce (the Boost shared array of pointers).
>>
>> Thanks
>> P
>>
>>
>> On Tue, Nov 20, 2012 at 5:13 PM, Kyle Lutz <kyle.lutz at kitware.com> wrote:
>>>
>>> Would using boost suffice? Or do you want a solution using just VTK?
>>>
>>> -kyle
>>>
>>> On Tue, Nov 20, 2012 at 7:58 AM, Philippe Pébay
>>> <philippe.pebay at kitware.com> wrote:
>>> > Hello all,
>>> >
>>> > I need to keep track of shared ownership of an array of pointers. Can
>>> > someone point me towards an example of code that already does this?
>>> > This
>>> > should amount to a small helper class that contains the array of
>>> > pointers
>>> > along with a reference count.
>>> >
>>> > Thank you!
>>> > Philippe
>>> >
>>> >
>>> > --
>>> > Philippe Pébay, PhD
>>> > Director of Visualization and High Performance Computing /
>>> > Directeur de la Visualisation et du Calcul Haute Performance
>>> > Kitware SAS
>>> > 26 rue Louis Guérin, 69100 Villeurbanne, France
>>> > +33 (0) 6.83.61.55.70 / 4.37.45.04.15
>>> > http://www.kitware.fr