[vtkusers] Program terminates with error if a window is closed when rendering is going on

[Limin Fu]

Thank you very much.

Now I see the problem. I should have read the documentations more carefully.


Limin


2009/6/9 Francois Bertel <francois.bertel at kitware.com>

> Cone.cxx has just a vtkRenderWindow but no  vtkRenderWindowInteractor.
> It is the job of the vtkRenderWindowInteractor to listen to events
> like WM_DELETE_WINDOW and to react accordingly.
>
> In the case of Cone.cxx, the window is closed by the user (and the
> associated system resources that go with it too), but the event is not
> taken into account by the program. The rendering is then perform on
> system resources that don't exist anymore, hence the error.
>
> Solution: use a vtkRenderWindowInteractor.
>
>
>
> On Tue, Jun 9, 2009 at 9:29 AM, Limin Fu<phoolimin at gmail.com> wrote:
> > Hi,
> >
> > I am new to VTK. I realized this problem when I ran an example of the VTK
> > toolkit from my program. It happens when a render window is closed by the
> > user, when there is still a rendering process going on. The error message
> is
> > like this:
> >
> > XIO:  fatal IO error 104 (Connection reset by peer) on X server ":0.0"
> >       after 3037 requests (3035 known processed) with 8 events remaining.
> >
> > It can be reproduced by increase the number of the looping in the
> > Tutorial/Step1/Cxx/Cone.cxx, and close the rendering window before the
> loop
> > is finished.
> >
> > I tried VTK5.0.4 from my linux distribution, and VTK5.4.2 downloaded from
> > the website, both have this problem. How should I avoid this problem?
> >
> > Thanks a lot!
> >
> > Limin
> >
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> --
> François Bertel, PhD  | Kitware Inc. Suite 204
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>
> Visit other Kitware open-source projects at
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>
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