iRacing FOV Calculators

iRacing FOV Calculator




iRacing FOV Calc Sample

FOV Calculator – (David Tucker iRacing Staff)

https://members.iracing.com/jforum/posts/list/325/1330466.page
Enter your monitors horizontal width and the distance from your eyes to the monitor to calculate the correct field of view for your seating position. Reducing the distance form your monitor to your eyes will increase the field of view. On games that use a vertical FOV instead of a horizontal one, enter the monitors height to calculate the correct FOV. If you have triple monitors configured to render as if they were one large monitor then line the monitors up in a flat row and use the total width of all three monitors to calculate the FOV. If you are rendering a seperate image to each monitor, then use the triple monitor calculator below.

On a single monitor you want to use the width of the viewable part of the monitor, on a triple monitor, single renderer, setup you want to use the width of the viewable image as well, but include the center bezels, that is treat it like one large monitor with some annoying black lines on it. Then in your video card you want to enable bezel correction so the central bezels are taken into account when rendering the image. If you choose to render each monitor seperately then only measure the viewable width on the center monitor and don’t apply any bezel correction in your graphics card. Typically your graphics card will provide two resolutions to you, one with bezel correction turned on and one without it. The smaller horizontal width is the one without bezel correction.

Single Monitor FOV:

monitor width
viewing distance

FOV

Triple Monitor seperate renderer FOV:

center monitor width
viewing distance

FOV
Side monitor angle

Viewing Distance Calculator

Enter your monitors horizontal width and the desired field of view to calculate the correct viewing distance for your seating position. Reducing the field of view will increase the seating distance. On games that use a vertical FOV instead of a horizontal one, enter the monitors height to calculate the correct distance. If you have triple monitors configured to render as if they were one large monitor then line the monitors up in a flat row and use the total desired FOV of all three monitors to calculate the distance. If you are rendering a seperate image to each monitor, then use the triple monitor calculator below.

On a single monitor you want to use the width of the viewable part of the monitor, on a triple monitor, single renderer, setup you want to use the width of the viewable image as well, but include the center bezels, that is treat it like one large monitor with some annoying black lines on it. Then in your video card you want to enable bezel correction so the central bezels are taken into account when rendering the image. If you choose to render each monitor seperately then only measure the viewable width on the center monitor and don’t apply any bezel correction in your graphics card. Typically your graphics card will provide two resolutions to you, one with bezel correction turned on and one without it. The smaller horizontal width is the one without bezel correction.

Single Monitor Viewing Distance:

monitor width
desired FOV

viewing distance

Triple Monitor seperate renderer Viewing Distance:

center monitor width
desired FOV

viewing distance
Side monitor angle

More Fov Information At Ed Racing

Readers Comments (5)

  1. Ralf Wilhelm Blees October 4, 2019 @ 4:16 am

    I like the distance calculation and I would like to suggest an optional schematics – where the side monitors will be mounted with overlapping the middle monitor bezels … in iRacing that works very easy – you have 2 values – 1 without bezel and 1 with …
    in overlapping you add only 1 bezel to the value without.

  2. Where is the side monitor angle measured in reference to the centre monitor?

  3. Only half useful, glad you say horizontal width at least, the amount of people who seem to think you measure diagonally is worrying. But I have my monitors at 60 degrees, not 45, the built in iRacing calc allows you to use your own angles.

  4. got a suggestion for measuring triples set up as single screen: rather than having to physically line them up, use (3xMonitorScreenWidth)+(4xBevelWidth) for measurement without bezels,+(6xBevelWidth) for with bezels. Assumes all monitors same size.

  5. i’m getting stuck, could someone help me out?
    i’m getiing 3 Iiyama ProLite XU2792HSU-B1 (27″) for a triple screen setup but cant make out what the ideal viewing distance has to be and the angle between the screens?

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