RE: and more deterministic display

[Kevin Wolfskill <kevin.wolfskill@jadesolutions.com>]

Hmmm, I see what you are trying to do, but I still think you might be
contrained by what the monitor is actually capable of doing.  It is just
like the graphics subsystem of a game engine which is able to display 150
Frames Per Second, but the monitor is only setup to refresh at 85 Hz (85
times a second).  As far as you are concerned, you can still get 150 FPS,
but as far as what the user sees, the user will see 85 FPS.  This is good
though, you want your refresh rate to be at least as high as the monitor if
possible, then the user can see things change as fast as possible.
Otherwise, if your refresh is lower than the refresh of the monitor, there
will be duplicated frames.

Good Luck!

Kevin Wolfskill
JADE Solutions
Office US   (303) 448-1019 ext. 23
Fax US      (303) 449-1548
Kevin.Wolfskill@jadesolutions.com
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>What do you mean by "have it displayed at a time I have control over"?

   By this I mean that rather than waiting for the next refresh period
(pardon me if I am not using appropriate terminology) I would like to be 
able to force the image to be displayed at a certain time. Of course there 
would be latency issues but that could be measured and taken into account.
   Here is one imagined way that I would like to do this. Lets say I need to

display an image at precisely (within 0.1 msec I am using a realtime OS) 100

msecs relative to some other event. Maybe I could reset the graphics 
sequencer and at some point
during that 100 msec and then set then sequencer at 100 msec - latency
for the set. Like I said this is my imaganery vision of what I would like to

be able to do. Of course I don't know what or how to really
accomplish this or how safe it might be for the monitor.

Daniel

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