Forum Discussion
How to set IPD?
Hi there, I wonder how can I set my IPD in all the Unity Demos and in Oculus World? When pressing space I can see a default setting of 64 mm (I have 59). Does anyone know how to change this? Th...
"geekmaster" wrote:
The eye strain is from tantential distortion causing the vertical misalignment of parts of the two images while trying to view them stereoscopically. This happens when viewing from an IPD that does not go through the optical axis (sweet spot) of the lens. Mismatched eye/lens IPD also causes increased chromatic aberration. Both of these things can be corrected in software with a better pre-warp shader that does not leave out the tangential distortion and chromatic aberration correction portions of the "Brown's model" lens distortion correction formula.
I have an OpenGL shader that performs the full Brown's model correction, but I have not tested it yet. I plan to use it on my Raspberry Pi (if I do not replace it with a cached displacement map first).
Is it just Unity that doesn't have this "Brown's model" correction, or does the Oculus SDK lack this as well?
My IPD is 55. I don't have my Rift yet, so I don't know what it will be like to use it, but I'd like to find out how to best compensate for the IPD mismatch.