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IHADSS in VR very...nervous per say?


Go to solution Solved by OrangePaw,

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Posted

Don't know any other way to explain this in other terms. In VR the IHADSS seems jittery or maybe nervous and jumpy. In 2D it's smooth as butter on screen. In VR it's more switchy.

Question, is there a way to get it to stabilize like in 2D views?

Posted

What's your framerate? It can be jittery and unpleasant with lower fps just like with regular hud especially over more populated areas.Try lowering graphic setting to see if changes.

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Posted

I played last night and turned down some of the forestry settings and it made a little difference. I have almost all settings turned down already. I'm working with a 3070rtx so that may be my Achilles heel. I guess I need to explain to the wife my predicament and start planning a GPU upgrade!

Posted
1 minute ago, OrangePaw said:

I played last night and turned down some of the forestry settings and it made a little difference. I have almost all settings turned down already. I'm working with a 3070rtx so that may be my Achilles heel. I guess I need to explain to the wife my predicament and start planning a GPU upgrade!

Can't help you finding a solution, but fwiw: Im running DCS in VR on a "steam-powered" GTX1080ti and the IHADSS isn't jittery here. So I very much doubt it to be a GPU issue (especially if you turned down a few gfx settings)

System specs:

 

i7-8700K @stock speed - GTX 1080TI @ stock speed - AsRock Extreme4 Z370 - 32GB DDR4 @3GHz- 500GB SSD - 2TB nvme - 650W PSU

HP Reverb G1 v2 - Saitek Pro pedals - TM Warthog HOTAS - TM F/A-18 Grip - TM Cougar HOTAS (NN-Dan mod) & (throttle standalone mod) - VIRPIL VPC Rotor TCS Plus with ALPHA-L grip - Pointctrl & aux banks <-- must have for VR users!! - Andre's SimShaker Jetpad - Fully adjustable DIY playseat - VA+VAICOM - Realsimulator FSSB-R3

 

~ That nuke might not have been the best of ideas, Sir... the enemy is furious ~ GUMMBAH

Posted
6 minutes ago, sirrah said:

Can't help you finding a solution, but fwiw: Im running DCS in VR on a "steam-powered" GTX1080ti and the IHADSS isn't jittery here. So I very much doubt it to be a GPU issue (especially if you turned down a few gfx settings)

Good to know. Also, I am using Virtual Desktop and not using Steam. Not sure that would make a difference or cause the issue.

I wonder if there is a sensitivity setting I'm not finding somewhere either in DCS or in the Quest 3 app that may be causing it. The problem is not unbearable, just annoying at times, especially during defensive threat maneuvers. Maybe I'll mess with the sharpness settings and see if that may help.

Posted

I was running DCS on a 3070 until this year, and i had to make some sacrifices for smooth framerate (though not as bad as when i was on a 1070).  If you're experiencing HMD jitter, it's almost certainly framerate not keeping up with your head movements, resulting in the drawn frame being out of synch with your actual head position.  Head-mounted displays in the sim are particularly obvious when this sort of thing is happening.

This video has a good walk-through of how to identify the settings in DCS which will work best with your hardware.  It's focused on the Pimax headset, but the overall workflow discussed for hunting down the best possible frame-rate will apply to all systems.

Overall, the idea is:

1. turn all your settings down to minimum

2. figure out what framerate that gives you

3. figure out what settings you care about most and start turning those up.

4. assess how those changes impacted framerate

5. repeat 3 and 4 until the framerate either becomes unstable or drops too low to be acceptable to you

6. back off the settings a tiny bit to get back above your target framerate

 

It can also be useful, after doing all of this, to set a framerate cap at about 85% of what your normal framerate is.  For example after tweaking settings, my framerate settled in around 55-60 FPS, so i put a frame cap at 45 FPS, which is also 1/2 of my headset refresh rate.  Framerate jitter and getting framereat synched to a whole-number divisor of your HMD refresh speed is super important for stable picture.

 

 

 

Posted

I found that DCS crashes when using the AV1 codec for quet 3 so I use HVEC 10 bit, I also found that sticking my headset as the only device on the 5ghz network and  using a cable to router from the host PC greatly improved FPS (almost doubled) I can now use the AH64 and the new CH47 where before they was to choppy and unplayable. I have almost all settings turned all the way up except ground shadows are medium and the terrain distance slider is 50-60% with CS pixel density of 103% In virtual desktop I have it set on "god like"

 

I am using a lowly two fan rtx 4070ti and no longer use open xr or the toolkit, strictly VDS

 

Hope any of this helps.

  • Solution
Posted

I increased my FPS to 90 in Virtual Desktop software and that seems to be helping. I also set the IHADSS to display in both eyes instead of the right as default. Not sure this fixes anything but does make seeing the IHADSS better. I have hard wired router and headset. Nothing runs through wireless on my system for DCS.

 

I'm going with framerates as the basic answer to the concerns I had of jittery or nervous IHADSS display in VR. Thanks for everyone's input and descriptions of solutions.

I can only imagine what the next 5-10 years of VR will get us. What a time to be alive!

  • Like 1
  • 2 weeks later...
Posted

Been a while since I played the Apache, but I remember not having the cockpit display option to refresh every frame made the night vision on the IHADSS lag or jitter or something. But I remember the symbology still being nervous in VR.

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