POV-Ray : Newsgroups : povray.unofficial.patches : Direct Ray Tracing of Displacement Mapped Triangles : Re: Direct Ray Tracing of Displacement Mapped Triangles Server Time
5 Jul 2024 10:55:31 EDT (-0400)
  Re: Direct Ray Tracing of Displacement Mapped Triangles  
From: Christoph Hormann
Date: 27 Apr 2003 18:25:47
Message: <3EAC58E7.7AE6A1B5@gmx.de>
Wolfgang Wieser wrote:
> 
> [...]
> 
> Did you "request" the data?
> ("Files denoted by double asterisks (**) are available upon request.
> Please send an email to...")

No, they are available on the ftp server mentioned on that site:

ftp://gloria2-f.gsfc.nasa.gov/pub/stockli/

> > and blending with the lower resolution basis using
> > functions) to any other planet.
> >
> "blending using functions"... What do you mean by that?
> 

Well, you need a function to select whether the low or the high resolution
map is used at a certain position.  To avoid problems with the root finder
you will need to  create a smooth transit between the regions.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 28 Feb. 2003 _____./\/^>_*_<^\/\.______


Post a reply to this message

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