[vtkusers] Memory leak

[Jothybasu Selvaraj]

Thanks David!

Is it possible to copy the actual imageData from the reader and then delete
the reader.

As far as this is considered

vtkImageData* img = rd->GetOutput();

rd will stay in memory untill img goes out of scope.

is that correct?

On Tue, May 15, 2012 at 3:21 PM, David Doria <daviddoria at gmail.com> wrote:

> On Tue, May 15, 2012 at 10:19 AM, Jothybasu Selvaraj
> <jothybasu at gmail.com> wrote:
> > Hi all,
> >
> > I have a pipeline like this, every time I call this function the memory
> > increases ~10MB. How can I fix this?
>
> When you do this:
>
> vtkSmartPointer<vtkImageData>img=
>     vtkSmartPointer<vtkImageData>::New();
> img=rd->GetOutput();
>
> You are chaging where 'img' is pointing. I don't think even smart
> pointers are smart enough to notice that. You need to instead do:
>
> vtkImageData* img = rd->GetOutput();
>
> (notice New() was never called for 'img') so that you aren't
> allocating memory for the image and then stranding it.
>
> David
>



-- 
Jothy
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