[vtkusers] VTK macosx multithreading

[Sean McBride]

On Wed, 28 Apr 2010 13:52:59 +0200, Thomas Fritz said:

>I have compiled VTK for MacOSX using X11.
>
>I run the whole VTK Stuff in a thread. Everything works fine, but when i
>close the VTK Window and restart  the visualization thread  i get the
>following message:
>
>CardioMechanics[5108] <Error>: kCGErrorIllegalArgument:
>CGSSetWindowSendExposed: Invalid window 0x6e5
>CardioMechanics[5108] <Error>: kCGErrorFailure: Set a breakpoint @
>CGErrorBreakpoint() to catch errors as they are logged.
>CardioMechanics[5108] <Error>: unknown error code: invalid drawable
>error: xp_attach_gl_context returned: 2
>CardioMechanics[5108] <Error>: kCGErrorIllegalArgument:
>CGSSetWindowSendExposed: Invalid window 0x6e5
>CardioMechanics[5108] <Error>: unknown error code: invalid drawable

Likely you are running code on a secondary thread that should only be
run from the main thread.

Have you read for example:
<http://www.vtk.org/Wiki/VTK_FAQ#Is_VTK_thread-safe_.3F>

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada