POV-Ray : Newsgroups : povray.advanced-users : Radiosity rendering depends on camera direction? : Re: Radiosity rendering depends on camera direction? Server Time: 26 Jun 2019 09:57:11 GMT
  Re: Radiosity rendering depends on camera direction?  
From: Tamas Gunda
Date: 10 Apr 2019 18:40:05
clipka <ano### [at] anonymousorg> wrote:
> Am 08.04.2019 um 19:06 schrieb Alain:
>
> > Just an idea :
> > Try rendering it all in one go, then, project onto a box or sphere :
>
> That's actually a pretty smart idea.
> It's important though to use a high enough resolution, or at least use
> interpolation for the projected image.
>
> Alternatively, the image could be rendered directly to a single cube map
> image using a v3.8.0-alpha user-defined camera (or a v3.7.0 mesh camera,
> but that's more of a hassle to set up). If 6 separate images are needed,
> that could then simply be achieved by cutting the output image into
> pieces in any image processing software.

Bingo!

Thanks, Alain. Rendering with 360 deg spherical camera in one go and then
projecting onto a sphere and cut to cubic images has yielded a seamless
spherical image. The resolution of the first rendering should be at least twice
to that of final image.

http://www.gunda.hu/cube/povray/index3.html

Tamas


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