[vtkusers] Delete vtkObjects

[David Cole]

Where is your code that instantiates/deletes the surrounding C++ class?
Are you saying that instantiating one of those and then deleting it results
in a VTK mem leak report?


On Thu, Aug 14, 2008 at 10:48 AM, Andi2008 <mail-andi at web.de> wrote:

>
> thank you for the quick answer.But my case is different. I fixed the leaks
> he
> reported already by loading all vtl dlls delayed. I am using MFC too.
> Visual
> Studio report leaks only if i create vtkObjects.vtkDebugLeaks and the fact
> that the private byte history in the ProcessExplorer doesnt decrease after
> i
> the objects tells me that the leaks come from vtk.
>
> I have no idea anymore what iam doing wrong.
> Andi
>
>
>
> malat wrote:
> >
> > Andreas,
> >
> >   I you are using MFC, I suggest to read the following post:
> >
> > http://www.vtk.org/pipermail/vtkusers/2007-May/090968.html
> >
> >   The non-compiling example you posted looks fine to me.
> >
> > 2cts
> > -Mathieu
> >
> > On Thu, Aug 14, 2008 at 2:41 PM, Andreas Brüning <mail-andi at web.de>
> wrote:
> >> Hi,
> >>
> >> yes it is me again and i still have questions about deleting vtkobjects
> >> :)
> >> Regarding to my post from Aug/12:
> >>
> >> http://www.vtk.org/pipermail/vtkusers/2008-August/096455.html
> >>
> >> i still have problems to delete vtkobjects in my program and it is not
> >> only the thread issue. To encapsulate the whole vtk stuff i created it
> in
> >> a single class. I created some vtk objects in the constructor and call
> >> the Delete() method in the destructor for testing. Than i created one of
> >> these class and delete  it while i checked the private bytes history on
> >> Sysinternals ProcessExplorer(which is by the way a great tool). I also
> >> enabled VTK_DEGUG_LEAKS.
> >> I thought when i delete the class the whole vtk stuff is gone but it is
> >> not. i can see no memory reduction in the process explorer and the
> >> DebugLeaks MessageBox tells me that always the objects remains. When i
> >> create a vtkPolyDataMapper there are even more. If i create more of my
> >> vtkClasses there are no changes in the memory but the debugleaks
> >> MessageBox report that all the vtkObjects remain in memory.
> >>
> >> I really have no idea where is the mistake. I did the same procedure
> with
> >> the vtkExamples and there everything is fine and the memory always
> cleans
> >> up. I compared the project properies and they are the same.
> >>
> >> Here is the code of my very short vtkClass:
> >>
> >>
> >> #include "StdAfx.h"
> >>
> >> #include "ImageVolumeData.h"
> >>
> >> #undef THIS_FILE
> >> static char BASED_CODE THIS_FILE[]=__FILE__;
> >>
> >> #define new DEBUG_NEW
> >>
> >>
> >> ImageVolumeData::ImageVolumeData(void)
> >> {
> >>        vtk_importer = vtkImageImport::New();  //global Variables defined
> >> in the header
> >>        vtkflipper = vtkImageFlip::New();
> >>
> >>        //debugger = vtkDebugLeaks::New();
> >>        ren = vtkRenderer::New();
> >>
> >> }
> >>
> >> ImageVolumeData::~ImageVolumeData(void)
> >> {
> >>        vtk_importer->SetImportVoidPointer(NULL,0);
> >>
> >>        vtkflipper->Delete();
> >>        vtk_importer->Delete();
> >>
> >>        ren->Delete();
> >>
> >> }
> >>
> >> I hope someone can give me an advice, i am running out of ideas
> >>
> >> Thanks in advance
> >> Andi
> >> _____________________________________________________________________
> >> Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen!
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> >>
> >> _______________________________________________
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> >>
> >
> >
> >
> > --
> > Mathieu
> > _______________________________________________
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> >
> >
>
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>
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