POV-Ray: Newsgroups: povray.advanced-users: Using Conditional statements with Isosurfaces (Help): Re: Using Conditional statements with Isosurfaces (Help)

POV-Ray : Newsgroups : povray.advanced-users : Using Conditional statements with Isosurfaces (Help) : Re: Using Conditional statements with Isosurfaces (Help)		Server Time 28 Jul 2024 22:18:16 EDT (-0400)

From: ingo
Date: 11 Oct 2003 12:26:22
Message: <Xns9411BB9353BFDseed7@netplex.aussie.org>

in news:uoagovso6q5nld89k7rkg16vgm16fpmjld@4ax.com Rob Richards wrote:

> I'm wondering if it's possible to have an isosurface where a base
> function has a one of two or more functions subtracted (or added)
> based on the y value.

select may be the thing you're looking for:
"6.1.3.6  Float Functions" select(A, B, C [,D]). 

Ingo

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