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Tor, I get a completely blank (blue) screen with this (though it renders
really fast! :-). I did copy all the other settings and code from the
previous version (camera, sky, etc)...
Does it look right to you?
D.
"Tor Olav Kristensen" <tor_olav_kCURLYAhotmail.com> wrote in message
news:3fbc3970@news.povray.org...
> "Alex Kluchikov" <klk### [at] ukrnet> wrote in
> news:web.3fbbe555cd7b5c811235fd70@news.povray.org:
>
> >
> > Here is the source.
> ...
>
> Alex, if you write the code for your isosurface
> like I have done below, then the image will
> render much faster.
>
> (On my Athlon XP2400+ PC a 512x384 AA0.3 render
> now takes 3m08s, while it earlier took 16m20s.)
>
> Btw.:
> Thank you for showing how you created the texture
> and "environment sphere" for your "cuboids" image
> in p.b.i.
>
>
> Tor Olav
>
>
> // ===== 1 ======= 2 ======= 3 ======= 4 ======= 5 ======= 6 ======= 7
>
> #include "functions.inc" // For f_r() and f_sphere()
>
> #declare TwoPi = 2*pi;
> #declare TT = 8; // Number of "Turns"
> #declare M1 = TT/3;
> #declare M2 = 5; // Number of "Blobs"
>
> #declare Rmaj = 1.50;
> #declare Rmin = 0.25;
>
> #declare dAngle = TwoPi/3;
>
> #declare a0 = Rmin*cos(0*dAngle);
> #declare b0 = Rmin*sin(0*dAngle);
>
> #declare a1 = Rmin*cos(1*dAngle);
> #declare b1 = Rmin*sin(1*dAngle);
>
> #declare a2 = Rmin*cos(2*dAngle);
> #declare b2 = Rmin*sin(2*dAngle);
>
> #declare TempFn0 =
> function(A, B) {
> pow(f_r(A + a0, 0, B + b0), 1/32)
> +pow(f_r(A + a1, 0, B + b1), 1/32)
> +pow(f_r(A + a2, 0, B + b2), 1/32)
> }
>
> #declare TempFn1 =
> function(XZ, YY, Cos, Sin, RF) {
> 0.330*TempFn0(+XZ*Cos +YY*Sin, -XZ*Sin +YY*Cos)
> +0.010*sin(RF)
> -0.945
> }
>
> #declare TempFn2 =
> function(XZ, YY, Phi) {
> TempFn1(XZ, YY, cos(Phi*M1), sin(Phi*M1), Phi*M2)
> }
>
> #declare Heart =
> isosurface {
> function { TempFn2(f_sphere(x, 0, z, Rmaj), y, 90 - atan2(x, z)) }
> accuracy 2E-4
> max_gradient 0.75
> contained_by {
> box {
> -<Rmaj + Rmin, Rmin, Rmaj + Rmin> - <1, 1, 1>*0.12,
> <Rmaj + Rmin, Rmin, Rmaj + Rmin> + <1, 1, 1>*0.12
> }
> }
> }
>
> // ===== 1 ======= 2 ======= 3 ======= 4 ======= 5 ======= 6 ======= 7
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