In following Nick's set up of nHancer, and even though he wanted you to use TRILINEAR inside FSX, he also had the Trilinear OPTO setting inside nHancer highlighted/checked, but set to 'off'. This morning, as I was making sure I had the Prerender set to 1, I decided to turn on the Trilnear Opto setting and boy...what a difference in clarity and sharpness that is added to FSX with this setting as 'on'. It sure doesn't take away any FPS.If you are using Trilinear in FSX...fire up the Tri enhancement in nHancer. I think you will like what you see as well as the performance.Mitch

Hi Mitch,I tried your suggestion, but in my case I did not see any visual improvement and my FPS took a hit.Do you have before/after screenshots you can post?

serious cut in performance here

In following Nick's set up of nHancer, and even though he wanted you to use TRILINEAR inside FSX, he also had the Trilinear OPTO setting inside nHancer highlighted/checked, but set to 'off'. This morning, as I was making sure I had the Prerender set to 1, I decided to turn on the Trilnear Opto setting and boy...what a difference in clarity and sharpness that is added to FSX with this setting as 'on'. It sure doesn't take away any FPS.If you are using Trilinear in FSX...fire up the Tri enhancement in nHancer. I think you will like what you see as well as the performance.Mitch

Last week I tried all kinds of settings (using FSX, the nVidia control panel and also nhancer). As I posted elsewhere: I can't see a difference when I turn the trilinear optimization on or off. The same goes for aniso. sample optimization. I currently even have the Filtering set to Performance instead of High quality: again, no difference at all, but good performance.If FSX looks a lot BETTER with this setting on, I am urged to say something was wrong with your setup, because in case you could actually see a difference (I can't) it should look a bit worse... certainly not better. But hey, if it works for you, that's great! :( BTW When you use nHancer, you really have to watch out what you are doing with the nVidia control panel... Using both at the same time (or switching between both) can mess up the system, meaning some settings won't work at all anymore. For instance a change in the CP might do nothing but give you an effect that nHancer actually gave... Even if you uninstall nHancer, changes in the CP might not give you what you think. Or FSAA might get stuck in a certain mode: ugly things like that, which can make it hard to figure out what is doing what...!

With all the dumbing down you've done in the BP thread, Mitch, I'm not surprised that the opto setting cmade an improvement. However,IIRC, it was noted long before FSX that opto setting could hurt performance. Basically, again IIRC, the opto setting just causes the GPU to make a second and/or third pass over the frame. This is not good for performance.So, taken by itself, it's not a good move but in collaboration with all your changes, it must make a difference on your system.Vic

Hi,Gave it a try, I do not see any visual improvement between checked and not checked.

Also if you have NHancer Texture Filtering set to High Quality, what you are seeing is the "Placebo effect", because both the Trilinear OPT and Aniso Sample OPts are inoperative in that mode. If you do have it set to less then you aren't getting the best quality possible.

Also if you have NHancer Texture Filtering set to High Quality, what you are seeing is the "Placebo effect", because both the Trilinear OPT and Aniso Sample OPts are inoperative in that mode. If you do have it set to less then you aren't getting the best quality possible.

Exactly, in addition Optimizations are not result in enhanced quality, But the Trilinear OPT is especialy unusualWhat do these settings do?http://www.nhancer.com/?dat=d_optimizationshttp://www.tweakguides.com/NVFORCE_6.htmlMitch, I'm not sure if I read you right but you say you are using the NV CP and Nhancer? Just make sure you have closed nhancer before making changes in NV CP because it doesnt instantly recognize the changes, like Nhacer can.

Absolutely placebo effect - High Quality Texture Filtering disables the two optimizations listed below it in nHancer.Both of those "optimizations" actually trade visual quality for performance - there's just no way things could possibly look better with them on. The nHancer documentation even talks about them causing lower visual quality. The setting of the filtering drop-down in FSX doesn't matter either because you're forcing anisotropic through the driver. Bilinear, Trilinear and Anisotropic are the three different types of texture filtering technologies. It makes no sense to talk about trilinear while you have anisotropic on, they're two different things.Here's what they look like:This is trilinear - notice how things get blurrier as the angle between you and the ground gets shallower the further away things are.This is 16X anisotropic - huge difference, things remain basically sharp out as far as you can see because the viewing angle doesn't have nearly the kind of blurring effect it does in trilinear.Great explanation here of exactly what antialiasing and texture filtering are and how the various types work:http://www.extremetech.com/article2/0,1697,2136956,00.asp

I did have the TRILINEAR OPTO set to 'on' in nHancer...but I think that it causes the night lights/light standards/street lights in PNW to malfunction by staying on even in the daylight. At least I think so. I turned it off in nHancer and then on the next fire-up of FSX, the PNW lighting system was now working properly by being 'off' in the daytime.Mitch

Hi Mitch,I tried your suggestion, but in my case I did not see any visual improvement and my FPS took a hit.Do you have before/after screenshots you can post?

Uh no, but I had to turn it off as a matter of fact...for it caused PNW's lights to stay on, whether day or night. I turned the Trilinear Opto off, and the PNW light problem went away.Mitch

Serious decline in performance and IQ with Trilinear Optimization set to On.