[vtkusers] Deleting unknown object: vtkObject - vector of pointers?

[Bill Lorensen]

Ray is not initialized in the constructor. Do a
Ray=NULL;

Don't forget to Delete() Ray in the destructor.


On Fri, Nov 6, 2009 at 12:10 PM, David Doria <daviddoria+vtk at gmail.com> wrote:
>
> On Fri, Nov 6, 2009 at 11:38 AM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>>
>> Your member variable does not have to be a smartpointer. If it is not,
>> you'll have to Register it on a Set. And UnRegister on destruction.
>>  If you use the vtkSetObject macro, it will do the proper
>> register/unregister. You will still have to UnRegister in the the
>> descturcotr if it is not null.
>
> Sorry to be such a pain about this...
>
> If the member variable IS a smart pointer, then does it do the
> register/unregister automatically? Is it recommended to have member
> variables as smart pointers or not? If you DO make the member variable a
> smart pointer, you must break the "don't include any headers but your
> superclass" rule. Is that allowed in this case?
>
> I switched to
> vtkSetObjectMacro(Ray, vtkRay);
> in an attempt to have it do the register/unregister automatically, but it
> simply segfaults when I call SetRay.
>
> The updated and simplified files are here:
> http://www.rpi.edu/~doriad/VTK_List/DeletingUnknownObject/
>
> Thanks,
>
> David
>
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