八字结
几何画板及绘图内容加载中,请稍等……
这个范例演示了八字结的几何形状。它涉及到了几何构造中的曲线和空间图形。通过使用Cylinder, Sphere等命令,可以构造出复杂的三维图形。适合高中或大学的几何和拓扑学课程。
GeoGebra 命令及参数
Cylinder(A, B, 0.5) → a, a_2, a_3, a_4Cylinder(C, B, 0.5) → e, e_2, e_3, e_4Cylinder(C, D, 0.5) → i, i_2, i_3, i_4Cylinder(D, E, 0.5) → l, l_2, l_3, l_4Cylinder(F, E, 0.5) → b, c, d, fCylinder(F, G, 0.5) → g, h, k, jCylinder(H, G, 0.5) → m, p, q, nCylinder(H, I, 0.5) → o, r, s, tCylinder(I, J, 0.5) → u, c_1, d_1, vCylinder(J, K, 0.5) → w, e_1, f_1, a_1Cylinder(K, L, 0.5) → b_1, g_1, h_1, i_1Cylinder(M, L, 0.5) → j_1, k_1, p_1, l_1Cylinder(M, N, 0.5) → m_1, q_1, r_1, n_1Sphere(B, 0.5) → o_1Sphere(C, 0.5) → s_1Sphere(D, 0.5) → t_1Sphere(E, 0.5) → u_1Sphere(F, 0.5) → v_1Sphere(G, 0.5) → w_1Sphere(H, 0.5) → b_2Sphere(I, 0.5) → c_2Sphere(J, 0.5) → d_2Sphere(K, 0.5) → f_2Sphere(L, 0.5) → g_2Sphere(M, 0.5) → h_2