[vtkusers] VTK and multiple monitors.

David Gobbi dgobbi at atamai.com
Wed Jan 11 11:30:54 EST 2006


Kevin H. Hobbs wrote:

>On Wed, 2006-01-11 at 10:13 -0500, David Gobbi wrote:
>  
>
>>I can give a little additional insight... SGI visualization systems 
>>(Prism/Onyx)
>>can handle this no problem, they're designed for fast multi-head graphics,
>>any recent nVidia dual-head cards will work too, under either WindowsXP
>>or Linux with Xinerama (never tried a quad configuration), I've never tried
>>a Radeon but I suspect it would work for dual-head VTK on Windows.
>>
>> - David
>>    
>>
>
>The last I heard, Xinerama disables direct rendering altogether on
>x.org. That's why I use the merged frame buffer option. I think it is
>the same as NVidia's TwinView, one frame buffer that the card splits
>onto the monitors, and some extensions to fake Xinerama for applications
>that know about it.
>  
>
Thanks for the info.  I wasn't up on the details of how it works, only 
that it does work ;)
Enabling fancy graphics configurations is always tricky on Linux, and 
usually
involves a lot of reading through docs and mailing lists.

 - David




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