David Olofson wrote:
> On Wednesday 22 August 2001 10:10, Stephane List wrote:
> > If u use SDL, you'll use X !
>
> No. SDL supports GGI, svgalib and fbdev as well as X. (GGI in turn
> supports X, svgalib, fbdev and KGI.) No need for X whatsoever.
I like the no need for X part.
>
>
> > Why don't try OpenGL too for 3D graphism; ;-)
>
> You can use SDL to set up the OpenGL screen in a clean and portable way.
> (Far better than GLUT in pretty much every respect.) However, there's a
> pretty limited choice of accelerated OpenGL drivers for non-X targets.
I really do not need any special 3d graphics, so I think GL is a bit
overkill.
basically, all I need is a few windows to display some temperature data, and
another window to display image data, all in real time.
>
>
> > The best way is to have a realtime PC without X, and to connect to it
> > with an other PC through ssh for example.
this is not pratical for my implementation. The whole thing must reside on an
embedded PC, which sits inside the control unit.
>
>
> Not if you need low latency and/or high bandwidth visualization and user
> input. Also, not all applications have the physical space or budget for a
> two computer setup.
>
> > Or through rtcom(for RTAI, or the equivalent for rtlinux) will be
> > better but less confortable.
>
> Yes, that could work for low bandwidth communication.
>
> //David Olofson --- Programmer, Reologica Instruments AB
>
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