POV-Ray : Newsgroups : povray.pov4.discussion.general : Feature Request: optical distortion : Re: Feature Request: optical distortion Server Time
24 May 2024 13:26:54 EDT (-0400)
  Re: Feature Request: optical distortion  
From: IGM
Date: 9 Oct 2018 04:00:00
Message: <web.5bbc5f754b151640776fc67d0@news.povray.org>
> - Although not very widely known, a `normal` statement can be applied to
> the camera to distort the image based on a pattern.

I didn't know this trick, it deserves a try.

> - The `user_defined` camera being introduced in v3.8 can also be used to
> implement almost arbitrary camera projections, provided they can be
> expressed as a set of functions mapping screen coordinates to ray origin
> coordinates and direction vector components.

This could be very useful. I hope that this feature will be well documented.

Nevertheless, I still think that an implementation of optical distortion
consistent with the literature definitions and terms (as in the followong
references) would be preferable and more useful (and appealing!) for the

Bouguet model:
Open CV:


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.