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| View Original: | Reeb foliation half-torus POV-Ray.png (1000x800) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Reeb foliation half-torus POV-Ray.png en Reeb foliation generated with gnuplot and POV-Ray see details below own Ilya Voyager 2010-03-13 gnuplot povray I used gnuplot 4 0 with http //t-kita net/gnuplot_povrml/ this patch to produce POV-Ray sources than tweeked it slightly and rendered The following sources are in public domain as well as the image <source lang gnuplot > set term povray set output ~/prj/wikipedia/reebfoliation/torus pov set view 40 280 set parametric set iso 15 unset key unset border r 3 fx1 u v pi/2 sin v +r cos u/ pi/2-0 3 2 pi fy1 u v pi/2 sin v +r sin u/ pi/2-0 3 2 pi fz1 u v pi/2 cos v fx2 u v n abs u sin v +r cos 1/cos u +2 n pi/6 fy2 u v n abs u sin v +r sin 1/cos u +2 n pi/6 fz2 u v n abs u cos v splot 0 pi/2-0 3 2 pi/4 6 pi/4 \ fx1 u v fy1 u v fz1 u v w l lt 6 \ fx1 u v fy1 u v fz1 u v w d lt 6 \ fx2 u v 0 fy2 u v 0 fz2 u v 0 w l lt 2 \ fx2 u v 0 fy2 u v 0 fz2 u v 0 w d lt 2 \ fx2 u v 1 fy2 u v 1 fz2 u v 3 w l lt 3 \ fx2 u v 1 fy2 u v 1 fz2 u v 3 w d lt 3 \ fx2 u v 2 fy2 u v 2 fz2 u v 3 w l lt 2 \ fx2 u v 2 fy2 u v 2 fz2 u v 3 w d lt 2 \ fx2 u v 3 fy2 u v 3 fz2 u v 3 w l lt 3 \ fx2 u v 3 fy2 u v 3 fz2 u v 3 w d lt 3 \ fx2 u v 4 fy2 u v 4 fz2 u v 12 w l lt 2 \ fx2 u v 4 fy2 u v 4 fz2 u v 12 w d lt 2 \ fx2 u v 5 fy2 u v 5 fz2 u v 15 w l lt 3 \ fx2 u v 5 fy2 u v 5 fz2 u v 3 w d lt 3 \ fx2 u v 6 fy2 u v 6 fz2 u v 15 w l lt 2 \ fx2 u v 6 fy2 u v 6 fz2 u v 3 w d lt 2 \ fx2 u v 7 fy2 u v 7 fz2 u v 15 w l lt 3 \ fx2 u v 7 fy2 u v 7 fz2 u v 3 w d lt 3 </source> The following patch is then applied to pov source <source lang diff > --- torus-orig pov 2010-03-13 17 09 46 000000000 +0300 +++ torus pov 2010-03-13 21 10 44 000000000 +0300 -3 22 +3 22 include colors inc include shapes inc include textures inc -camera location <-291 511 -30 8094 -403 022> +camera location <-291 511 -30 8094 -703 022> sky <0 0 -1> -look_at <23 25 -18> -angle 13 +look_at <23 25 -33> +angle 5 background color White -object Plane_XY texture PinkAlabaster +//object Plane_XY texture pigment White light_source <-291 511 -30 8094 -403 022> color 0 9 White light_source <-116 604 -12 3238 -282 116> color 0 9 White //color_definition // declare Pcolor0 material texture pigment color Red filter 0 6 finish ambient 0 05 phong 0 8 declare Pcolor1 material texture pigment color Red - declare Pcolor2 material texture pigment color Green - declare Pcolor3 material texture pigment color Blue + declare Pcolor2 material texture pigment color rgbt<0 5 0 9 0 5 0> + declare Pcolor3 material texture pigment color rgbt<0 5 0 5 0 9 0> declare Pcolor4 material texture pigment color Magenta declare Pcolor5 material texture pigment color SkyBlue - declare Pcolor6 material texture pigment color Brown + declare Pcolor6 material texture pigment color rgbt<0 9 0 4 0 5 0> declare Pcolor7 material texture pigment color Yellow declare Pcolor8 material texture pigment color Orange declare Grid union -65 9 +65 9 cylinder <0 25 0><50 25 0> 0 2 cylinder <0 37 5 0><50 37 5 0> 0 2 -object Grid texture DMFWood6 -text ttf crystal ttf -5 0 2 0 -pigment White +//object Grid texture DMFWood6 +//text ttf crystal ttf -5 0 2 0 +/ pigment White scale 4 rotate<-40 0 280> translate<3 -7 -1> -108 6 +108 7 translate<-5 55 -37> finish ambient 3 + / declare Plot1 union cylinder <47 854 25 -36 6667> <47 808 26 4495 -36 6667> 0 2 cylinder <47 808 26 4495 -36 6667> <47 6701 27 8931 -36 6667> 0 2 -38492 4 +38493 3 triangle <22 5996 16 6939 -36 6667> <21 481 17 0323 -36 6667> <22 5554 16 5408 -31 9537> object Plot18 material Pcolor3 - </source> Reeb foliation cc-zero | ||||
