圆锥中的圆锥曲线构造

GeoGebra 命令及参数

1. Mirror(F, A) → F'
2. Circle(F, R, zAxis) → c
3. Cone(c, (-h)) → a, d, b
4. Mirror(a, A) → a'
5. Segment(F, F') → f
6. Polygon(H, I, 4, xOyPlane) → poly1, g, i, j, k, J, K
7. Plane(I, H, G) → p
8. IntersectPath(p, a) → e
9. IntersectPath(p, a') → q
10. Mirror(A, zAxis) → A'
11. Line(A, A') → l
12. Point(l) → B
13. Point(l) → C
14. Point(l) → D
15. Point(l) → E
16. Mirror(L, B) → L'
17. Mirror(M, C) → M'
18. Mirror(N, D) → N'
19. Mirror(O, E) → O'
20. Circle(L, R, zAxis) → r
21. Circle(M, R, zAxis) → s
22. Circle(N, R, zAxis) → t
23. Circle(O, R, zAxis) → c_1
24. Cone(r, (-h)) → m, d_1, n
25. Cone(s, (-h)) → o, e_1, u
26. Cone(t, (-h)) → v, f_1, w
27. Cone(c_1, (-h)) → a_1, g_1, b_1
28. Mirror(L, B) → L'_{1}
29. Mirror(M, C) → M'_{1}
30. Segment(L, L'_{1}) → i_1
31. Segment(M, M'_{1}) → j_1
32. Segment(N, N') → k_1
33. Segment(O, O') → l_1
34. Mirror(m, B) → m'
35. Mirror(o, C) → o'
36. Mirror(v, D) → v'
37. Mirror(a_1, E) → h_1
38. Plane(Q, S, P) → p_1
39. Mirror(S, P) → S'
40. Mirror(Q, P) → Q'
41. IntersectPath(p_1, m) → q_1
42. IntersectPath(p_1, m') → r_1
43. Polygon(Q', S', Q, S) → q1, q', s', q_2, s_1
44. Mirror(U, T) → U'
45. Mirror(V, T) → V'
46. Plane(U, V, V') → p_2
47. IntersectPath(p_2, o') → t_1
48. IntersectPath(p_2, o) → c_2
49. Polygon(V, U, V', U') → q2, v_1, u_1, n_1, u'
50. Mirror(Z, W) → Z'
51. Mirror(A_1, W) → B_1
52. Plane(Z, A_1, W) → r_2
53. IntersectPath(r_2, v') → d_2
54. IntersectPath(r_2, v) → e_2
55. Polygon(A_1, Z, B_1, Z') → q3, f_2, z_1, g_2, z'
56. Mirror(D_1, l_1) → F_1
57. Plane(D_1, F_1, C_1) → p_3
58. IntersectPath(p_3, h_1) → h_2
59. IntersectPath(p_3, b_1) → k_2
60. Mirror(D_1, C_1) → G_1
61. Mirror(F_1, C_1) → H_1
62. Polygon(F_1, D_1, H_1, G_1) → q4, i_2, j_2, l_2, m_2