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GPL: FF latency - please explain

6 posts by 5 people · 06 Aug 1999 - 10 Aug 1999

Jan Hovius 06 Aug 1999#484350
Hello, I'm experimenting with the FF settings in GPL's core.ini and notice a big difference in feel whilst changing the latency parameter. Since I don't really understand what this latency parameter stands for could somebody out here shed a light on the 3 ff parameters (damping, latency and torque) used in the core.ini? I did notice that decreasing the torque-paramter increased the force felt! Is there some sort of information on how those parameters are translated to the steering wheel? Thanks, Jan.
The latency is the delay for the FF effect before it kicks in on your wheel. Give it a high value (0.500) so will you se. There is always a very little latency in games before you can see what happens on the screen. To get the FF in sync with the action on screen do you need to adjust the latency. I think the default value for latency is good in GPL. I hope you understood this, because I dont. :) -- /M Lindqvist Spamguard: Remove .ajabaja in e-mail
Eric Cote 06 Aug 1999#484352
JAN it's very well explained in the readme provided by patch 1.1: "Generally, the lowest number that works for you is probably best. Try 0.0, then move it up if the force seems out of phase" That means : increase the number until the force are back in phase. On my LWFF i'm using .210 , if you go to high in numbers, you'll have unwanted spikes. If you go at 0.000 , with a LWFF, there will be lag between what you see and what you get. I have done an elaborate setting guide about the LWFF at http://www.simracingmag.com Check under SPY's corners :)
Quoted text (15 lines)> Hello, > I'm experimenting with the FF settings in GPL's core.ini and notice a big > difference in feel whilst changing the latency parameter. > Since I don't really understand what this latency parameter stands for could > somebody out here shed a light on the 3 ff parameters (damping, latency and > torque) used in the core.ini? > I did notice that decreasing the torque-paramter increased the force felt! Is > there some sort of information on how those parameters are translated to the > steering wheel? > Thanks, > Jan.
webmaster.vcf < 1K Download
Greg Cisko 07 Aug 1999#484563
>On my LWFF i'm using .210 , if you go to high in numbers, you'll have >unwanted spikes. If you go at 0.000 , with a LWFF, there will be lag >between what you see and what you get. I am using 00.000 and noticed that I have a proper response. I have a P2-450 and it may make a difference. -- Header address intentionally scrambled to ward off the spamming hordes. cisko [AT] ix [DOT] netcom [DOT] com
Jan Hovius 09 Aug 1999#484844
Hello Mauritz, Thanks for your explanation. Let me see if I get it right (so I can explain it to you :) ):
Quoted text (8 lines)> The latency is the delay for the FF effect before it kicks in on your wheel. > Give it a high value (0.500) so will you se. There is always a very little > latency in games before you can see what happens on the screen. To get the > FF in sync with the action on screen do you need to adjust the latency. > I think the default value for latency is good in GPL. > I hope you understood this, because I dont. :)
So if I understand this well this latency number is a delay to keep your graphics in sync with your steering wheel. If you set it at zero (seconds?) you'll notice it immediately in your wheel before it actually is visualized, am I right? So this latency number is heavily dependant on what system you're running GPL on? Jan.
Quoted text (14 lines)> -- > /M Lindqvist > Spamguard: Remove .ajabaja in e-mail > > Hello, > > I'm experimenting with the FF settings in GPL's core.ini and notice a big > > difference in feel whilst changing the latency parameter. > >---snip!
J.H.Hovius.vcf < 1K Download
> >On my LWFF i'm using .210 , if you go to high in numbers, you'll have > >unwanted spikes. If you go at 0.000 , with a LWFF, there will be lag > >between what you see and what you get. > I am using 00.000 and noticed that I have a proper response. > I have a P2-450 and it may make a difference. setting for me.

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