POV-Ray : Newsgroups : povray.binaries.images : Text Isosurfaces : Re: Text Isosurfaces Server Time
14 Mar 2025 08:03:59 EDT (-0400)
  Re: Text Isosurfaces  
From: William F Pokorny
Date: 13 Mar 2025 14:10:56
Message: <67d31fb0$1@news.povray.org>
On 3/12/25 14:34, Chris R wrote:
> So, I have taken a new approach to create a pseudo SDF by creating N instances
> of the pigment function with the object scaled smaller than 1, (representing the
> interior), and M instances scaled at greater than 1, (representing the
> exterior), and assigning a distance from the surface of the original object that
> those scales represent.  The isosurface shape function then finds the smallest
> scaled instance of the object that the point lies within and assigns the
> distance associated with that scale as the distance from the surface.

Interesting. This is an approach different than I've seen for 
establishing a gradient about the surface of an object. Wondering some 
about how the scaling is handled in detail. I've put it on my list to 
review your code. Thank for making it available!

Bill P.


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