POV-Ray : Newsgroups : povray.general : A little of the subject : Re: A little of the subject Server Time
8 Aug 2024 12:25:13 EDT (-0400)
  Re: A little of the subject  
From: Margus Ramst
Date: 15 Dec 2000 18:59:48
Message: <3A3AB10F.DCB91980@peak.edu.ee>
Jason Scott wrote:
> 
> thanks for that help but I was meaning something like an image for an
> image-map
> 

If you want to render a 360 degree "omnidirectional" image to map on an object,
you have two options AFAIK:
1) Render the image with "fisheye" projection and an angle of 360, then use some
paint program that has filters for converting an image from polar to rectangular
coordinates. The resultant image can then be mapped to the object with spherical
mapping (map_type 1)
2) Use the "sphere" camera in MegaPOV; the process is the same as with the
previous method, except the resultant image can be mapped to an object as-is,
i.e. there's no need for the polar-rectangular conversion step.

-- 
Margus Ramst

Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg
Home page http://www.hot.ee/margusrt


Post a reply to this message

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