Gratis billeder : struktur, mønster, cirkel, font, kunst, figur, illustration, design, symmetri, 3d, grafisk, knude, mathematica, cg, parametricplot3d, kode, program, algoritme, abstruct, kortlægning 2880x2918

(* === Following code of Mathematica 8 generates this image. === *) a = 20; (* center hole size of a torus *) b1 = 6;(* the number of angles *) b2 = 8;(* the number of waves *) b3 = 1; (* the number of knots *) c = 8; (* distance from the center of rotation *) d = 6; (* the number of tori *) h1 = 3; (* width of a torus *) h2 = 6; (* width of a torus *) h3 = 2;(* height of a torus *) SetOptions[ParametricPlot3D, PlotRange -> Full, Mesh -> None, Boxed -> False, Axes -> None, PlotPoints -> 600, ImageSize -> 3000, Background -> RGBColor[{40, 20, 50}/255], PlotStyle -> Directive[Specularity[White, 90], Texture[Import["D:/tmp/712.jpg"]]], TextureCoordinateFunction -> ({#4, #5 b1 b2 Pi} &), Lighting -> "Neutral"]; g[v_] := Cos[2 Cos[Cos[Cos[v]]]]; x = (a - h1 Cos[t] + h2 Sin[b1 s]) Cos[b3 (s + 2 Pi/d)] + c; y = (a - h1 Cos[t] + h2 Sin[b1 s]) Sin[b3 (s + 2 Pi/d)] + c; z = a - h3 (g[t] + Sin[b2 t]); rm = Table[{x, y, z}.RotationMatrix[2 i Pi/d, {0, 0, 1}], {i, d}]; ParametricPlot3D[rm, {t, 0, 2 Pi}, {s, 0, 2 Pi}] (*--- The Texture Another shapes and colors, and the meaning of this code in the set description *)

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