POV-Ray : Newsgroups : povray.binaries.images : Smoothly Blurred Patterns - blur2.jpeg (1/1) : Re: Smoothly Blurred Patterns - blur2.jpeg (1/1) Server Time
18 Aug 2024 20:16:10 EDT (-0400)
  Re: Smoothly Blurred Patterns - blur2.jpeg (1/1)  
From: Christoph Hormann
Date: 5 Mar 2001 14:11:45
Message: <3AA3E4EE.481C65B2@gmx.de>
Chris Huff wrote:
> 
> When the blur distance is larger than the size of the cubes, it doesn't
> blend to a 50-50 mixture of the colors, but gives a bunch of fuzzy
> squares that are larger than the actual pattern. I'm planning a type 3
> that will supersample the voxels before interpolating, which will give
> better results. This will be a true blurring, not the "subsample and
> interpolate" method 2 uses. Also, when I let it use higher resolution
> voxel maps, this won't be a problem.

Sounds interesting, i'm looking forward to it.

> 
> BTW, method 0 also has this problem...it gives some pretty odd results
> when the distance between samples is larger than the distance between
> cubes. I haven't checked method 1, but it should have this aliasing
> problem as well.

Probably correct, although it would be quite uncommon to use that large
distance values.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/


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