[vtkusers] Error while close the VTK Window

[Sebastien Jourdain]

Hi Sathish,

if you tried the VTK that I was referring too, you could not have used
that code because the class vtkGlobalJavaHash does not exist anymore.
And you should have a Delete() method on the vtkPanel...

Seb

On Mon, May 23, 2011 at 2:24 AM, Sathish Kumar <kingvsk at aol.com> wrote:
> Hi Sebastien,
>
> I accept your point. But it works without memory leak. Thats why I choosed
> DeleteAll() method. Anyway here after I won't use that.
>
> As per your suggestion I tried the following code in Windows.
> This too gives the same error window which is attached in the previous mail.
>
> private void formWindowClosed(java.awt.event.WindowEvent evt)
> {
>         // Garbage Collection...
>         vpanAxial.GetRenderer().RemoveAllViewProps();
>         vpanAxial.GetRenderer().RemoveAllLights();
>         vpanAxial.GetRenderWindow().RemoveRenderer(vpanAxial.GetRenderer());
>         vpanAxial = null;
>         vpanCoronal.GetRenderer().RemoveAllViewProps();
>         vpanCoronal.GetRenderer().RemoveAllLights();
>
> vpanCoronal.GetRenderWindow().RemoveRenderer(vpanCoronal.GetRenderer());
>         vpanCoronal = null;
>         vpanSagittal.GetRenderer().RemoveAllViewProps();
>         vpanSagittal.GetRenderer().RemoveAllLights();
>
> vpanSagittal.GetRenderWindow().RemoveRenderer(vpanSagittal.GetRenderer());
>         vpanSagittal = null;
>
>         resliceAxial = null;
>         resliceCoronal = null;
>         resliceSagittal = null;
>         actorAxial = null;
>         actorCoronal = null;
>         actorSagittal = null;
>         reader = null;
>
>         System.gc();
>         vtkGlobalJavaHash.GC();
>     }
>
> Thanks,
> Sathish
>
>
>
> On Saturday 21 May 2011 07:07 PM, Sebastien Jourdain wrote:
>
> Hi Sathish,
>
> You can give a try with that VTK. But for sure, you shouldn't call
> DeleteAll() because your Frame/Panel is still alive in the Java world.
>
> http://review.source.kitware.com/#q,status:open+project:VTK+branch:master+topic:vtk-java-improvement,n,z
>
> Seb
>
> PS: I didn't had the time yet to give a try of your code on my linux.
> PS2: You have to use the VTK garbage collector. Look at the code
> sample provided in the source...
>
> On Sat, May 21, 2011 at 1:47 AM, Sathish Kumar <kingvsk at aol.com> wrote:
>
> Hi All,
>
> I am using VTK Java Wrapper. In Windows I get an error window while I close
> my vtkRenderWindow.
>
> My Code :
>
>    private void formWindowClosed(java.awt.event.WindowEvent evt) {
>        // Garbage Collection...
>        vtkGlobalJavaHash.DeleteAll();
>    }
>
> If I delete the VTK objects Manually then it results in memory leak. But the
> DeleteAll() method solves the memory leak but gives the following error
> Message is a separate VTK Output Window. (Please find the attachment).
>
> Error: In ..\..\VTKSources\Rendering\vtkWin32OpenGLRenderWindow.cxx
> vtkWin32OpenGLRenderWindow (047E5DA0): wglMakeCurrent failed in clean
>
> I can't scroll the error window to view further error message.
>
> Thanks in Advance,
>
> --
> Sathish,
>
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