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(* === Following code of Mathematica 8 generates this image. === *) a1 = 16; (* center hole size *) a2 = 1; (* thickness of a torus *) a3 = 3; (* wave height of a torus *) b1 = 5;(*number of cross*) b2 = 4;(*number of cross*) b3 = 9;(*number of cross*) c = 0; (* distance from the center of rotation *) d = 1; (* number of torus *) h1 = 5; (* height of a torus *) h2 = 1; (* height of a torus *) SetOptions[ParametricPlot3D, PlotRange -> Full, Mesh -> None, Boxed -> False, Axes -> None, PlotPoints -> 600, ImageSize -> 3000, Background -> RGBColor[{220, 250, 230}/255], PlotStyle -> Directive[Specularity[White, 30], Texture[Import["D:/tmp/31.jpg"]]], TextureCoordinateFunction -> ({#4, #5 b1 Pi} &), Lighting -> "Neutral"]; f[v_] := TriangleWave[{-1, 1}, v/(2 Pi)]; g[v_] := If[Sin[v] > 0, -3, 1]; x = (a1 - a2 Cos[t] + a3 g[b1 s] f[b1 s]) Cos[b2 s] + c; y = (a1 - a2 Cos[t] + a3 g[b1 s] f[b1 s]) Sin[b2 s] + c; z = h1 Cos[b3 s] + h2 f[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 album description *)
免费的高分辨率照片 结构体, 质地, 模式, 圈, 首饰, 字体, 数字, 设计, 耳环, 对称, 3d, 图形, 结, 数学, cg, 参数曲线3d, 码, 程序, 算法, abstruct, 映射, 时尚配饰
, 拍摄用 未知相机 01/13 2017 照片拍摄
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