[visit-developers] "Cannot save images when in nowin mode" error in test

Mark Miller miller86 at llnl.gov
Fri May 1 14:22:42 EDT 2009

I think you need to configure visit WITHOUT viewer-mesa-stubs (or maybe
its the opposite). You have have a config-site file that is turning that
on for you.


On Fri, 2009-05-01 at 11:24, Rich Cook wrote:
> Hello, when running the paraDIS database test, I am encountering the  
> following error.  Hank was kind enough to get the test working, so  
> this is probably the last hitch.  He has indicated this list would  
> collectively know the answer to this.  Any help?  Thanks!
> Reading engine output.
> Rendering window 1...
> VisIt: Message - Rendering window 1...
> VisIt: Warning - Currently, you cannot save images when in nowin mode  
> using screen capture and Mesa has been stubbed out in the viewer.   
> Either disable screen capture, or rebuild without the Mesa stub  
> library.  Note that the Mesa stub library was in place to prevent  
> compatibility problems with some graphics drivers.
> Saving window 1...
> VisIt: Message - Saving window 1...
> VisIt: Warning - No image was saved.  This is frequently because you  
> have asked to save an empty window.  If this is not the case, please  
> contact a VisIt developer.
> Could not save window
> VisIt: Message - Could not save window
> Traceback (most recent call last):
>   File "<stdin>", line 29, in <module>
>   File "Testing.py", line 714, in Test
>     (tPixs, pPixs, dPixs, davg) = DiffUsingPIL(file, cur, diff, base,  
> altbase)
>   File "Testing.py", line 942, in DiffUsingPIL
>     newimg = Image.open(cur)
>   File "/usr/gapps/visit/python/2.5/chaos_3_x86_64_ib_gcc_3.4.4/lib/ 
> python2.5/site-packages/PIL/Image.py", line 1916, in open
>     raise IOError("cannot identify image file")
> IOError: cannot identify image file
>  >> exit(1) when running test file: tests/databases/paraDIS.py,  
> assuming crashed
Mark C. Miller, Lawrence Livermore National Laboratory
email: mailto:miller86 at llnl.gov
(M/T/W) (925)-423-5901 (!!LLNL BUSINESS ONLY!!)
(Th/F)  (530)-753-8511 (!!LLNL BUSINESS ONLY!!)

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