[vtkusers] Error while close the VTK Window

[Sathish Kumar]

Hi Sebastien,

Actually there is no Delete() method in VTKPanel. Thats why I tried to 
delete all the VTK Objects.
Anyway waiting for the solutions.

Regards,
Sathish


On Monday 23 May 2011 07:30 PM, Sebastien Jourdain wrote:
> Hi Sathish,
>
> you didn't understand what I was saying. The point was to remove all
> the code to clean the vtkPanel by simply calling Delete() on the
> vtkPanel itself and nothing more. No more remove actors...
> But it doesn't matter. Because for that particular case where several
> vtkPanel are involved in the same frame I managed to get the same
> crash as you did on Linux. Which was not the case for me when I was
> working on Mac.
>
> Seb
>
> On Mon, May 23, 2011 at 9:53 AM, Sathish Kumar<kingvsk at aol.com>  wrote:
>> Hi Sebastien,
>>
>> I tried Delete() method for all the VTK objects. But the application crashes
>> while call vpanAxial.getRenderer().Delete();
>>
>> Thanks,
>> Sathish
>>
>> On Monday 23 May 2011 07:00 PM, Sebastien Jourdain wrote:
>>> Hi Sathish,
>>>
>>> I gave a try on my linux and I was able to reproduce the issue with
>>> the DicomMPR2D but not with the other components.
>>> Something weird seems to happen for that particular application that
>>> use several vtkPanel in the same view.
>>> I'll try to understand what is wrong there...
>>>
>>> Seb
>>>
>>> On Mon, May 23, 2011 at 7:48 AM, Sebastien Jourdain
>>> <sebastien.jourdain at kitware.com>    wrote:
>>>> 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,
>>>>>
>>>>> _______________________________________________
>>>>> Powered by www.kitware.com
>>>>>
>>>>> Visit other Kitware open-source projects at
>>>>> http://www.kitware.com/opensource/opensource.html
>>>>>
>>>>> Please keep messages on-topic and check the VTK FAQ at:
>>>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>>>
>>>>> Follow this link to subscribe/unsubscribe:
>>>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>>>
>>>>>
>>>>>
>>>>>
>>