圆锥内的圆锥

GeoGebra 命令及参数

1. Line(O, zAxis) → f
2. Circle(O, R, f) → c
3. Point(f) → S
4. Cone(c, Distance[O, S]) → a, d, b
5. Point(f) → B
6. Line(B, yAxis) → g
7. Intersect(g, b) → C, D
8. Line(B, xAxis) → h
9. Intersect(h, b) → E, F
10. Plane(D, F, C) → p
11. Point(f) → G
12. Line(S, E) → i
13. Line(S, F) → j
14. Line(S, C) → k
15. Line(G, yAxis) → l
16. Point(j) → H
17. Intersect(l, b) → I, J
18. Plane(H, J, I) → q
19. Intersect(j, c) → N,
20. Intersect(i, c) → P,
21. Line(P, N) → n
22. Point(n) → S_1
23. Point(f) → K
24. Line(K, xAxis) → m
25. Intersect(m, b) → L, M
26. Segment(L, M) → r
27. Point(r) → Q
28. Line(Q, yAxis) → s
29. Intersect(s, b) → T, U
30. Plane(U, T, S_1) → p_1
31. IntersectPath(p, a) → e
32. IntersectPath(p_1, a) → t
33. IntersectPath(q, a) → c_1
34. Segment(P, O) → f_1
35. Point(f_1) → V
36. Point(f) → W
37. Line(W, xAxis) → g_1
38. Intersect(g_1, b) → Z, A_1
39. Segment(W, Z) → h_1
40. Point(h_1) → B_1
41. Line(B_1, yAxis) → i_1
42. Intersect(i_1, b) → C_1, D_1
43. Plane(V, C_1, D_1) → q_1
44. IntersectPath(q_1, a) → d_1
45. Intersect(k, c) → E_1,
46. Plane(S, O, E_1) → r_1
47. IntersectPath(r_1, a) → e_1
48. IntersectPath(q, a) → k_1
49. IntersectPath(p_1, a) → s_1
50. IntersectPath(p, a) → t_1
51. IntersectPath(q_1, a) → c_2
52. Point(e_1) → G_1