行星绕转（3D）

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(eq1) → B
3. Point(eq2) → C
4. Point(eq3) → D
5. Point(eq5) → F
6. Point(eq6) → G
7. Point(eq7) → H
8. Point(eq8) → I
9. Circle(G, 0.25) → d
10. Ray(A, B) → f
11. Rotate(A, Mercury, A) → A'
12. Rotate(B, Mercury, A) → B'
13. Ray(A', B') → f'
14. Intersect(eq1, f', 1) → M
15. Rotate(A, Venus, A) → A'_{1}
16. Rotate(C, Venus, A) → V
17. Ray(A'_{1}, V) → g'
18. Point(xAxis) → L
19. Ray(A, L) → g
20. Rotate(A, Earth, A) → A'_{2}
21. Rotate(L, Earth, A) → L'
22. Ray(A'_{2}, L') → g'_{1}
23. Intersect(eq3, g'_{1}, 1) → E
24. Rotate(A, Mars, A) → A'_{3}
25. Rotate(L, Mars, A) → L'_{1}
26. Ray(A'_{3}, L'_{1}) → g'_{2}
27. Intersect(eq4, g'_{2}, 1) → E_{1}
28. Rotate(A, Jupiter, A) → A'_{4}
29. Rotate(L, Jupiter, A) → L'_{2}
30. Ray(A'_{4}, L'_{2}) → g'_{3}
31. Intersect(eq5, g'_{3}, 1) → J
32. Rotate(A, Saturn, A) → A'_{5}
33. Rotate(L, Saturn, A) → L'_{3}
34. Ray(A'_{5}, L'_{3}) → g'_{4}
35. Intersect(eq6, g'_{4}, 1) → N
36. Rotate(A, Uranus, A) → A'_{6}
37. Rotate(L, Uranus, A) → L'_{4}
38. Ray(A'_{6}, L'_{4}) → g'_{5}
39. Intersect(eq7, g'_{5}, 1) → O
40. Circle(N, 0.4) → e
41. Circle(N, 0.3) → h
42. Rotate(A, Neptune, A) → A'_{7}
43. Rotate(L, Neptune, A) → L'_{5}
44. Ray(A'_{7}, L'_{5}) → g'_{6}
45. Intersect(eq8, g'_{6}, 1) → P
46. Circle(A, 0.2) → c
47. Circle(A, 0.2) → k
48. Center(c) → K
49. Point(k) → Q
50. Sphere(K, Q) → j