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

[Bill Lorensen]

Oops. I'm wrong about that.  Grid[i]=Column should copy all of
Column[i]'s smart pointers, thus affect ref count.

I need to study it further.

On Tue, Nov 10, 2009 at 3:20 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> I a ref of 2 is correct. The Grid[i]=Column should have no ref count
> implication since Column is a vector.
>
> BTW, the current code does not crash on my system.
>
> Bill
>
> On Tue, Nov 10, 2009 at 2:25 PM, David Doria <daviddoria+vtk at gmail.com> wrote:
>> On Fri, Nov 6, 2009 at 12:26 PM, Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>>>
>>> Ray is not initialized in the constructor. Do a
>>> Ray=NULL;
>>>
>>> Don't forget to Delete() Ray in the destructor.
>>
>> Getting closer... it gets to the end of the program now without crashing,
>> errors, or warnings - but when the program quits (I put a break point on the
>> 'return 0' statement and the following errors happen when I step over return
>> 0) I get "Deleting unknown object" errors. I'm assuming I am misinterpreting
>> the reference count that happens when the objects get added to the stl
>> container and when the container goes out of scope? Should the stl vector(s)
>> be of smartpointers or standard pointers?
>>
>> I added the following line at the end of the outer loop:
>>
>> vtkstd::cout << "Ref after column added to grid: " <<
>> Grid[0][0]->GetReferenceCount() << vtkstd::endl;
>>
>> The reference count is still 2... is this what we would expect? Shouldn't it
>> be 3 here? Because then when the program terminates, the outer vector (1)
>> deletes the inner vectors(2) which delete the LidarPoints (3) so the count
>> should have been 3 to then go down to 0?
>>
>> Here is the current version:
>> http://rpi.edu/~doriad/VTK_List/DeletingUnknownObject/ (there are too many
>> files to post the code directly to the list).
>>
>> One day we'll get this resolved... haha.
>>
>> Thanks,
>>
>> David
>>
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>