[vtk-developers] CreateRepeatingTimer and X11/Tk

Tue Aug 19 17:16:31 EDT 2008

I just updated my vtk head.  polyConn.tcl works fine now, even exits
when I hit "e'. However, if I add an 'iren Start", it crashes...

On Tue, Aug 19, 2008 at 3:49 PM, David Cole <david.cole at kitware.com> wrote:
> OK.....
> See the notes in the original issue
> ( http://public.kitware.com/Bug/view.php?id=3164 ) if you want all the gory
> details, but I have committed a further refinement of the fix to CVS HEAD.
> Try it and let me know if you have any problems.
> I will be merging it to VTK-5-2 tomorrow assuming the dashboards do not
> complain about too many things overnight. :-)
> Thanks for your patience,
> David Cole
>
> On Tue, Aug 19, 2008 at 11:59 AM, David Cole <david.cole at kitware.com> wrote:
>>
>> If you add "iren Start", you also have to add an "exit" following it....
>> (It hangs because it leaves the Start method and there is nothing telling
>> Tcl/Tk to exit and clean up all the referenced objects...)
>> If you wait just a little bit longer,  I think I am closing in on the real
>> fix.
>> Thanks,
>> David
>>
>> On Tue, Aug 19, 2008 at 11:04 AM, Bill Lorensen <bill.lorensen at gmail.com>
>> wrote:
>>>
>>> David,
>>>
>>> I just built VTK head. Now when I run a script like:
>>> VTK/Graphics/Testing/Tcl/polyConn.tcl
>>>
>>> I get no interaction unless I add an "iren Start". If I hit an 'e' in
>>> the graphics windows, the window hangs. Other keys like 'w' or 's'
>>> work as expected.
>>>
>>> Bill
>>>
>>> On Mon, Aug 18, 2008 at 1:45 PM, Bill Lorensen <bill.lorensen at gmail.com>
>>> wrote:
>>> > I,m at the VTK-5-2 branch.
>>> >
>>> > On Mon, Aug 18, 2008 at 12:23 PM, David Cole <david.cole at kitware.com>
>>> > wrote:
>>> >> Nope. Same problem. Do you still get that with CVS HEAD of VTK, or are
>>> >> you
>>> >> snapped to the VTK-5-2 branch...?
>>> >>
>>> >> On Mon, Aug 18, 2008 at 12:21 PM, Bill Lorensen
>>> >> <bill.lorensen at gmail.com>
>>> >> wrote:
>>> >>>
>>> >>> Maybe my problem is different. When I try to interact with a tcl test
>>> >>> like polyConn.tcl, I get:
>>> >>>
>>> >>> ERROR: In
>>> >>> /home/lorensen/Projects/VTK/Rendering/vtkInteractorStyle.cxx,
>>> >>> line 392
>>> >>> vtkInteractorStyleJoystickCamera (0xa0129e8): Timer start failed
>>> >>>
>>> >>> This is a fedora core 9 system, gcc 4.3.
>>> >>>
>>> >>> Bill
>>> >>>
>>> >>>
>>> >>> On Mon, Aug 18, 2008 at 10:39 AM, David Cole <david.cole at kitware.com>
>>> >>> wrote:
>>> >>> > There is interaction available if you call "iren Start" at the
>>> >>> > bottom of
>>> >>> > your tcl script to push an X event loop sponsored by the
>>> >>> > vtkRenderWindowInteractor.
>>> >>> > The remaining problem is that on other platforms (Windows with
>>> >>> > ActiveState
>>> >>> > Tcl, for example) the vtk.exe Tcl/Tk event loop is running and
>>> >>> > enabling
>>> >>> > interaction without any "iren Start" at the bottom of the tcl
>>> >>> > script. So
>>> >>> > ideally, it would be nice to get that behavior for free in X
>>> >>> > implementations, too... seems to be what VTK devs expect.
>>> >>> > So, I may have to put back some of the tcl-specific X code that
>>> >>> > used to
>>> >>> > be
>>> >>> > there before my commit last Thursday. I spent Friday in a fruitless
>>> >>> > attempt
>>> >>> > at getting the interaction to work with just X stuff from our
>>> >>> > tcl/tk
>>> >>> > app.
>>> >>> > Maybe somebody out there can give me a hint about whether this is
>>> >>> > really
>>> >>> > possible or not...? Maybe I'm just wasting my time trying to
>>> >>> > minimize
>>> >>> > the
>>> >>> > code required.... going back to using Tk_DoOneEvent and tcl timers
>>> >>> > may
>>> >>> > be
>>> >>> > the right way to go after all.
>>> >>> > At least there is now one common implementation for handling the
>>> >>> > actual
>>> >>> > X
>>> >>> > events, though. At least that part of my cleanup effort will
>>> >>> > survive. I
>>> >>> > will
>>> >>> > reply again with final results when I have them.
>>> >>> > Thanks for your patience, and feel free to send along any helpful
>>> >>> > hints.
>>> >>> >
>>> >>> >
>>> >>> > David Cole
>>> >>> >
>>> >>> > On Mon, Aug 18, 2008 at 1:56 AM, Andrew Maclean
>>> >>> > <andrew.amaclean at gmail.com>
>>> >>> > wrote:
>>> >>> >>
>>> >>> >> Hi Bill, I think David is looking further into it.
>>> >>> >> I think it still needs some more work. I tried it in the weekend
>>> >>> >> and
>>> >>> >> there was no interaction at all (mouse and keyboard).
>>> >>> >> Regards
>>> >>> >>   Andrew
>>> >>> >>
>>> >>> >>
>>> >>> >> On Mon, Aug 18, 2008 at 3:12 AM, Bill Lorensen
>>> >>> >> <bill.lorensen at gmail.com>
>>> >>> >> wrote:
>>> >>> >> > David,
>>> >>> >> >
>>> >>> >> > Is this ready for the VTK-5-2 branch?
>>> >>> >> >
>>> >>> >> > Bill
>>> >>> >> >
>>> >>> >> > 2008/8/14 David Cole <david.cole at kitware.com>:
>>> >>> >> >> Fixed in CVS HEAD by making vtkXRenderWindowTclInteractor a
>>> >>> >> >> trivial
>>> >>> >> >> subclass
>>> >>> >> >> of vtkXRenderWindowInteractor:
>>> >>> >> >>
>>> >>> >> >> /cvsroot/VTK/VTK/Graphics/Testing/Tcl/TestFillHolesFilter.tcl,v
>>> >>> >> >> <--
>>> >>> >> >> Graphics/Testing/Tcl/TestFillHolesFilter.tcl
>>> >>> >> >>     new revision: 1.3; previous revision: 1.2
>>> >>> >> >>     /cvsroot/VTK/VTK/Rendering/vtkXRenderWindowInteractor.cxx,v
>>> >>> >> >> <--
>>> >>> >> >> Rendering/vtkXRenderWindowInteractor.cxx
>>> >>> >> >>     new revision: 1.136; previous revision: 1.135
>>> >>> >> >>     /cvsroot/VTK/VTK/Rendering/vtkXRenderWindowInteractor.h,v
>>> >>> >> >> <--
>>> >>> >> >> Rendering/vtkXRenderWindowInteractor.h
>>> >>> >> >>     new revision: 1.75; previous revision: 1.74
>>> >>> >> >>
>>> >>> >> >> /cvsroot/VTK/VTK/Rendering/vtkXRenderWindowTclInteractor.cxx,v
>>> >>> >> >> <--
>>> >>> >> >> Rendering/vtkXRenderWindowTclInteractor.cxx
>>> >>> >> >>     new revision: 1.54; previous revision: 1.53
>>> >>> >> >>
>>> >>> >> >> /cvsroot/VTK/VTK/Rendering/vtkXRenderWindowTclInteractor.h,v <--
>>> >>> >> >> Rendering/vtkXRenderWindowTclInteractor.h
>>> >>> >> >>     new revision: 1.26; previous revision: 1.25
>>> >>> >> >> I will merge this to the VTK-5-2 branch after a clean night on
>>> >>> >> >> the
>>> >>> >> >> dashboards and then mark this issue as resolved...
>>> >>> >> >>
>>> >>> >> >> Thanks,
>>> >>> >> >> David Cole
>>> >>> >> >>
>>> >>> >> >> On Tue, Aug 12, 2008 at 4:19 PM, David Cole
>>> >>> >> >> <david.cole at kitware.com>
>>> >>> >> >> wrote:
>>> >>> >> >>>
>>> >>> >> >>> I will try to get this one fixed tomorrow.
>>> >>> >> >>>
>>> >>> >> >>> Would anybody object to re-factoring the
>>> >>> >> >>> vtkXRenderWindowTclInteractor
>>> >>> >> >>> class (re-parent it from vtkXRenderWindowInteractor) such that
>>> >>> >> >>> it
>>> >>> >> >>> inherits
>>> >>> >> >>> its common functionality and then has just overrides that are
>>> >>> >> >>> specific
>>> >>> >> >>> to
>>> >>> >> >>> Tcl/Tk...?
>>> >>> >> >>> I don't think it should break backwards compatibility for most
>>> >>> >> >>> people,
>>> >>> >> >>> although I could certainly imagine a class derived from it
>>> >>> >> >>> that may
>>> >>> >> >>> squawk
>>> >>> >> >>> for one reason or another by having its parent chain
>>> >>> >> >>> changed...
>>> >>> >> >>> I think the intent of both classes was to have the same code
>>> >>> >> >>> except
>>> >>> >> >>> for
>>> >>> >> >>> the differences due to making tcl calls from the TclInteractor
>>> >>> >> >>> method
>>> >>> >> >>> implementations. However, over time, they have diverged and
>>> >>> >> >>> had
>>> >>> >> >>> different
>>> >>> >> >>> bug fixes applied to one that should have been applied to
>>> >>> >> >>> both.
>>> >>> >> >>>
>>> >>> >> >>> Is the fix for this bug simply to re-inherit
>>> >>> >> >>> vtkXRenderWindowTclInteractor
>>> >>> >> >>> or would that upset any of you....??
>>> >>> >> >>>
>>> >>> >> >>> Thanks for any feedback,
>>> >>> >> >>> David Cole
>>> >>> >> >>> Kitware, Inc.
>>> >>> >> >>>
>>> >>> >> >>> On Sat, Aug 9, 2008 at 12:59 PM, Peter Wainwright
>>> >>> >> >>> <prw at ceiriog.eclipse.co.uk> wrote:
>>> >>> >> >>>>
>>> >>> >> >>>> On all recent CVS versions of VTK, I have been unable to run
>>> >>> >> >>>> this
>>> >>> >> >>>> example
>>> >>> >> >>>>
>>> >>> >> >>>>  http://www.ceiriog.eclipse.co.uk/vtktut6.tcl
>>> >>> >> >>>>
>>> >>> >> >>>> Its just a simple use of vtkRenderWindowInteractor.  But when
>>> >>> >> >>>> I
>>> >>> >> >>>> click
>>> >>> >> >>>> in
>>> >>> >> >>>> the window I am unable to rotate the model and I get the
>>> >>> >> >>>> error
>>> >>> >> >>>> message:
>>> >>> >> >>>>
>>> >>> >> >>>> ERROR: In
>>> >>> >> >>>> /home/prw/src/VTK-20080806/Rendering/vtkInteractorStyle.cxx,
>>> >>> >> >>>> line 392
>>> >>> >> >>>> vtkInteractorStyleJoystickCamera (0x9543c0): Timer start
>>> >>> >> >>>> failed
>>> >>> >> >>>>
>>> >>> >> >>>> This seems to relate to the bug
>>> >>> >> >>>> http://www.vtk.org/Bug/view.php?id=3164,
>>> >>> >> >>>> which apparently has not been touched for almost 2 years.  It
>>> >>> >> >>>> seems
>>> >>> >> >>>> to
>>> >>> >> >>>> affect the X11 implementation only.  Is anyone working on
>>> >>> >> >>>> this?
>>> >>> >> >>>>
>>> >>> >> >>>> Peter Wainwright
>>> >>> >> >>>>
>>> >>> >> >>>> _______________________________________________
>>> >>> >> >>>> vtk-developers mailing list
>>> >>> >> >>>> vtk-developers at vtk.org
>>> >>> >> >>>> http://www.vtk.org/mailman/listinfo/vtk-developers
>>> >>> >> >>>
>>> >>> >> >>
>>> >>> >> >>
>>> >>> >> >> _______________________________________________
>>> >>> >> >> vtk-developers mailing list
>>> >>> >> >> vtk-developers at vtk.org
>>> >>> >> >> http://www.vtk.org/mailman/listinfo/vtk-developers
>>> >>> >> >>
>>> >>> >> >>
>>> >>> >> > _______________________________________________
>>> >>> >> > vtk-developers mailing list
>>> >>> >> > vtk-developers at vtk.org
>>> >>> >> > http://www.vtk.org/mailman/listinfo/vtk-developers
>>> >>> >> >
>>> >>> >>
>>> >>> >>
>>> >>> >>
>>> >>> >> --
>>> >>> >> ___________________________________________
>>> >>> >> Andrew J. P. Maclean
>>> >>> >> Centre for Autonomous Systems
>>> >>> >> The Rose Street Building J04
>>> >>> >> The University of Sydney 2006 NSW
>>> >>> >> AUSTRALIA
>>> >>> >> Ph: +61 2 9351 3283
>>> >>> >> Fax: +61 2 9351 7474
>>> >>> >> URL: http://www.acfr.usyd.edu.au/
>>> >>> >> ___________________________________________
>>> >>> >
>>> >>> >
>>> >>
>>> >>
>>> >
>>
>
>