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Wider FOV?


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Posted

I get the impression that it is infact a disadvantage in BOS.

 

Just compare my field of view (21:9) with the one of VR_Stick (16:9).

 

 

 

 

It looks like 21:9 is just cut out of the 16:9 image for me and therefore reducing the field of view for 21:9 users.

 

Zettman

Zettman it looks like that because your head position is much closer to the front dash than VR_Stick so it looks like you are more "zoomed in" when you are in fact more "zoomed out" but closer POV. Compare it with the same head position or look and the landscape far away and you'll see that your FOV is wider.

Posted

I guess the best way to compare accurately would be screenshots at mission start on runway, at default settings on the same  game supplied SP mission

 

Cheers Dakpilot

Posted

See http://forum.il2sturmovik.com/topic/13318-excessive-sun-brightness-triple-screens-setups/

 
 
 
 

 

The game keeps the vertical FOV constant across aspect ratios. In other words, using a wider aspect ratio should let you see more of the horizon.

 

 

Tasty...I wonder how much those 3440x1440 monitors cost :D

Answer....

 

flipping loads lol

 

https://www.overclockers.co.uk/showproduct.php?prodid=MO-089-AC&groupid=17&catid=2908

Posted

Ah I see what you mean.

 

I'd love to try 3440x1440 in BOS

Oh it's majestic ;)

 

I went for it as soon as it was out and it has worked really well with 99% of the games.

 

Flight sims are a natural fit for these monitors

Posted

Is yours a curved one?

Posted (edited)

Yes Coconut,

Zooming in and out doesn't actually change the FOV, it stays constant. What you are in fact doing is the equivalent of taking a few steps closer or further away.

To have a greater FOV you would as stated need a very high aspect ratio screen.

 But the question should be, how wide is the widest FOV modelled in game. If what we have in game now is the Maximum, then all it will do is stretch the image to fit the screen, but not actually increase the FOV.

So it wouldn't matter how wide your screen was there would be absolutely no difference.

It would be interesting to know?

Edited by JG.5_Schuck
Posted

 

 

Zooming in and out doesn't actually change the FOV, it stays constant

Oh yes, it does. If it didn't, planes and vehicles wouldn't appear larger as you zoom: Moving 50cm forward doesn't change the apparent size of an object 5km away noticeably.

 

What I meant is that the maximum and minimum vertical FOV is the same regardless of whether you are using one or three screens. The horizontal FOV is calculated from the vertical FOV (which you set by zooming in and out) and the aspect ratio of your screen.

 

 

 

But the question should be, how wide is the widest FOV modelled in game. If what we have in game now is the Maximum, then all it will do is stretch the image to fit the screen, but not actually increase the FOV.

 

 

Check the pictures I posted. The single-screen one shows only the front view, whereas the wide one shows more of the sides.

  • Upvote 1
Posted

Zettman it looks like that because your head position is much closer to the front dash than VR_Stick so it looks like you are more "zoomed in" when you are in fact more "zoomed out" but closer POV. Compare it with the same head position or look and the landscape far away and you'll see that your FOV is wider.

 

I fully zoomed out on that picture and I'm not able to see these crossstruts fully. On his picture, which also is fully zoomed out (as he wrote) he can see all of them.

 

Zettman

Posted

Oh yes, it does. If it didn't, planes and vehicles wouldn't appear larger as you zoom: Moving 50cm forward doesn't change the apparent size of an object 5km away noticeably.

 

What I meant is that the maximum and minimum vertical FOV is the same regardless of whether you are using one or three screens. The horizontal FOV is calculated from the vertical FOV (which you set by zooming in and out) and the aspect ratio of your screen.

 

Check the pictures I posted. The single-screen one shows only the front view, whereas the wide one shows more of the sides.

seem its raining in the parade

 

youre right if the maximum fov its 90º whats the point of having a curved huge screen, i could safe the money and just set the monitor closer

 

btw if you zoom you vary the fov youre confusing it with an axe of 6dof that is moving your virtual head back and forth

Exactly, pov vs fov. And the zoom is changing the vertical FOV which is the same for everyone regardless of your aspect ratio but the horizontal FOV doesn't stay the same if the aspect ratio is different.

 

60º vertical FOV is 91º horizontal FOV on a 16:9 monitor

60º vertical FOV is 108º horizontal FOV on a ultrawide 21:9 monitor

60º vertical FOV is 144º on a triple screen 16:3 setup

 

90º vertical FOV is 121º horizontal FOV on a 16:9 monitor

90º vertical FOV is 134º horizontal FOV on a ultrawide 21:9 monitor

90º vertical FOV is ~159º on a triple screen 16:3 setup

Posted (edited)

 Okay I made another test and now I can see that the FOV is indeed bigger on the 21:9 Monitor (sadly can't edit my old post any longer). I simply switched my monitor to 16:9 mode to simulate a standard 16:9 1920x1080 Monitor.
 
 

21:9 fully zoomed in. 

AViTkCy.jpg

 

21:9 default zoom

7pINcwY.jpg

 

 

21:9 fully zoomed out (without changing default head position)

 

2FDcL6h.jpg

 

 

16:9 fully zoomed in

 

LZKpoCM.jpg

 

 

16:9 default zoom

 

qQsInMC.jpg

 

 

16:9 fully zoomed out (again without changing the default head position)

 

PzWwqXx.jpg

 

 

Just click on the spoilers you want to compare. This should make things a bit easier than having 6 huge images open at the same time.

 

Zettman

Edited by Zettman
  • Upvote 1
Posted

Zettman,

you have hit the nail on the head.

Your two default images show the point exactly

In order to increase the horizontal field of view you need to increase the viewing angle. And as the human eye (and the game) has a fixed fov (viewing angle)

zooming in and out makes no difference to field of view. Only the viewed area changes (on the same monitor). things look bigger or smaller.

To change the field of view in game you would need a much wider monitor (greater aspect ratio), ie, you fit more peripheral vision in without zooming in or out. This would change the angle and therefore the horizontal FOV.

The game quite clearly cannot model peripheral vision, but maybe closer to the stereoscopic field of view of the human eyes.

Posted

Is yours a curved one?

 

No I got mine before the curved ones came out.

 

Having used a flat one for a year, I question how useful the curve really is. I guess I should go try one out to MC.

Posted

hi all, i too fly with an lg 34um95 21:9 ultrawide monitor (more like crash than fly lol) but i love it for its extra immersiveness, until goggles eventually come out for these sims :)

 

i also have a 16:9 asus so when reading this, wanted to check as i assumed just like rof and woff, it did infact give more real estate in the width dept on views?? not just some zoom and vert clipping

 

at any rate here is a stock shot from zoomed out screen capture on both monitors in case anyone is interested in comparison

 

regards, Ron

 

16:9

 

16to9.png

 

21:9

 

21to9.png

Posted

You guys are making me want to buy a new monitor.

 

Damn... I want that ultra wide fov...  :(

Posted

You guys are making me want to buy a new monitor.

 

Damn... I want that ultra wide fov...  :(

 

you and me both :D

 

but then we would probably need a titan or two to run it as well

Posted (edited)

Lol that's a lot of cash for an extra 10 degrees each side

Edited by [TBC]AeroACE
Posted (edited)

you and me both :D

 

but then we would probably need a titan or two to run it as well

 

One GTX 780 did not really struggle with that resolution (all 3 were running mostly at 30%). You will be bottlenecked by your CPU most of the time. I rarely saw 100% GPU usage if I played on one GTX780 on 3440x1440 with a 4.2 GHz 4960X. Can't remember what my old 4820K on 4.6 managed, but I guess he was better for this particular game than my 4960X.

 

I'm now running a single GTX 980 with a 5820K on 4.5GHz and I'm only limited by my GPU if I'm already above 70 FPS. So no need for a GTX 980 TI or a SLI configuration. 3440x1440 is still far from 4K.

 

Zettman

Edited by Zettman
Posted

One GTX 780 did not really struggle with that resolution (all 3 were running mostly at 30%). You will be bottlenecked by your CPU most of the time. I rarely saw 100% GPU usage if I played on one GTX780 on 3440x1440 with a 4.2 GHz 4960X. Can't remember what my old 4820K on 4.6 managed, but I guess he was better for this particular game than my 4960X.

 

I'm now running a single GTX 980 with a 5820K on 4.5GHz and I'm only limited by my GPU if I'm already above 70 FPS. So no need for a GTX 980 TI or a SLI configuration. 3440x1440 is still far from 4K.

 

Zettman

I'm running a pair of Titan X cards right now (at 4K) and yes, you'll get bottlenecked by the CPU before both cards get maxed out, in situations with many other aircraft. The second Titan helps smooth stuff out but just barely.

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