西北航空公司航线图

GeoGebra 命令及参数

1. Line(A, B) → s
2. OrthogonalLine(A, s) → b
3. LineBisector(A, B) → m
4. Vector(A, B) → u
5. OrthogonalVector(u) → v
6. OrthogonalLine(F, b) → j
7. OrthogonalLine(V, s) → a
8. OrthogonalLine(W, s) → g_1
9. Midpoint(C, A) → J
10. OrthogonalLine(Q, b) → l
11. Intersect(a, l) → R
12. Intersect(g_1, l) → T
13. Polygon(R, T, 3) → poly1, q, r, t, Z
14. Mirror(Z, l) → Z'
15. Line(T, Z') → f_1
16. Intersect(m, l) → C_1
17. Line(F_1, f_1) → i_1
18. Line(G_1, i_1) → j_1
19. Intersect(j, j_1) → H_1
20. Line(E_1, H_1) → l_1
21. Line(F_1, l_1) → t_1
22. Intersect(j, t_1) → I_1
23. Line(I_1, j_1) → a_1
24. OrthogonalLine(I, b) → h
25. Intersect(h, m) → S
26. LineBisector(A, C) → d
27. Mirror(h, d) → h'
28. Intersect(m, h') → N
29. Intersect(m, d) → E
30. OrthogonalLine(C, v, xOyPlane) → f
31. Intersect(f, m) → U
32. OrthogonalLine(M, d) → i
33. Mirror(i, m) → i'
34. OrthogonalLine(B, u, xOyPlane) → g
35. Intersect(g, f) → D
36. Mirror(M, m) → M'
37. Polygon(A, B, D, C) → q11, a_3, b_2, d_2, c_3
38. OrthogonalLine(V, a) → e
39. Mirror(P, m) → P'
40. Ellipse(P, P', N) → c
41. Ellipse(P, P', O) → k
42. OrthogonalLine(K, b) → p
43. Mirror(poly1, l) → poly1'
44. Line(E_1, f_1) → h_1
45. Intersect(a_1, l) → B_1
46. Line(B_1, j_1) → k_1
47. Intersect(j, h_1) → L
48. Intersect(j, i_1) → D_1
49. Line(F_1, I_1) → m_1
50. Intersect(i_1, l_1) → J_1
51. Intersect(m_1, j_1) → K_1
52. Polygon(E_1, L, D_1, J_1, H_1, I_1, B_1, G_1, K_1, F_1) → poly2, e_1, s_1, l_2, d_1, n, n_1, p_1, b_1, q_1, r_1