POV-Ray: Newsgroups: povray.beta-test.binaries: isosurface contained_by or evaluation problem: isosurface contained

POV-Ray : Newsgroups : povray.beta-test.binaries : isosurface contained_by or evaluation problem : isosurface contained_by or evaluation problem		Server Time 31 May 2024 19:31:08 EDT (-0400)

From: Pierre Pruvost
Date: 6 Oct 2001 04:33:11
Message: <3bbec1c7@news.povray.org>

Hello,

I notice a problem with contained_by or an evaluation problem
with a very regular isosurface of deg 6 ( x^n+y^2+z^2-1.5).

With n = 4 and a contained_by box <-3,3> the surface is present.
    see deg4_cont.bmp

With n = 6 the surface disappears completely .
    see deg6_contbig.bmp

With n= 6 and a smaller container box<-2,2>, the surface appears
    see deg6_contb2.bmp

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Attachments:
Download 'deg4_cont.bmp.dat' (57 KB) Download 'deg6_contbig.bmp.dat' (57 KB) Download 'test02.pov.txt' (3 KB) Download 'de6_contb2.bmp.dat' (57 KB)