clipka wrote:

> XP (for good reason) doesn't allow you to access the graphics card directly
> (just guess what happened if every application you have running on your
> computer - say, browser, calculator, Windows Explorer and your own home-brewn
> program - would try to poke around at the graphics hardware, maybe even trying
> to run in different modes... perfect chaos.
> 
> But a suitable driver might provide a frame buffer of, say, 640x480 pixels for
> you to use freely, and do the interfacing to Windows (including event handling)
> for you, instead of directly accessing real hardware. 
>
I can appreciate that it might be wise to restrict access to the video 
card. But it is possible to
display images somehow. Pov-Ray does it and in a whole host of 
resolutions. Maybe displaying
graphics is very hard but it can't be impossible!!

> The graphics routines in John Beales wonderful
>> heightfield programs don't work, though the rest of the program does.
> 
> The name doesn't ring a bell.
> 

You took me aback! I had to call up Pov-Ray links to make sure had had 
the name right.
Have you every played with heightfields? I can't imagine anyone who has 
not being familiar
with John Beale's "Gforge".

David

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