On Thursday 26 May 2005 02:50, Geoff Reidy wrote: > Lee Elliott wrote: > > I'm having a strange problem that may be linked to this. > > > > Now when I start at KSFO, looking forward, I'm getting < > > 1fps. Same with the heli & chase views. If I switch to the > > tower it's the same until I start zooming in. At around 15 > > deg fov the frame rate jumps up to around 25-30 fps. Switch > > back to the chase view and it's back down to < 1 fps. > > > > Incidentally, the a/c I'm checking with has slowly revolving > > props so I can see the changes in frame rate very clearly. > > > > Anyway, back to the chase view and rotate the view around > > using shift and the num-pad. Shift-9 is fine - > 20 fps, > > shift-6 < 1 fps, shift-3 > 20 fps. From 2 through to 8 are > > all < 1 fps. > > > > Try KJFK. Here only one view gives problems (can't remember > > exactly which one now though). It's also apparent while > > using the mouse to change the view. > > > > Back to KSFO, tower view and try a take off - > 20 fps. Try > > chase view and < 1 fps until just after the last of the > > white blocks on the runway (sorry, don't know their proper > > name) when it jumps to > 20 fps. > > > > It'll also happen while I'm flying - I flew out over > > downtown SFO and was heading back to KSFO at > 20 fps but > > then it dropped back down to < 1fps. > > > > I'm guessing that it's due to a scenery or random object > > problem, as it also happened at KJFK where there're no > > custom scenery objects, but I can't identify what it can be. > > > > Any ideas anyone? FG is pretty unusable for me atm. > > > > FWIW, glxgears gives > 3900 fps here. > > > > LeeE > > I get this problem also with any of the Nvidia Linux 7xxx > drivers. Other programs like torcs still run fine, only fgfs > seems to be affected. > > I used to get 30 to 40 fps at KSFO. If I look down at the > cockpit (still at KSFO) or up at the sky or I look to the > right more than about 15 degrees or to the left at about 90 > degrees it runs at normal speed. Look straight ahead and I get > about 1 frame every five seconds. Same result at KEMT. > > Have looked through the nvidia forums but haven't seen anyone > complain of problems like this. > > Geoff
Thanks for that Geoff. I've already got a couple of older drivers and I believe that all the old drivers can still be downloaded from the archive at nVidia. I'll give it a go here and report back. LeeE _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
