SEAT标志

GeoGebra 命令及参数

1. Vector(A, B) → u
2. OrthogonalVector(u) → v
3. Midpoint(E, B) → D
4. Line(A, B) → m
5. Line(F, m) → h
6. Mirror(h, D) → h'
7. Line(D, h') → j
8. OrthogonalLine(D, j) → k
9. OrthogonalLine(G, m) → i
10. Intersect(h, i) → P
11. Line(R, j) → p
12. Mirror(p, j) → p'
13. Mirror(Q, j) → Q'
14. OrthogonalLine(Q', p') → q
15. Intersect(j, q) → J
16. Line(U, q) → r
17. Mirror(r, k) → r'
18. Intersect(r', p') → W
19. Line(H_1, p') → f_1
20. LineBisector(Z', D_1) → t
21. Intersect(t, f_1) → V_1
22. Intersect(q, p) → S
23. Mirror(S, j) → S'
24. LineBisector(S', N) → l
25. Intersect(l, f_1) → U_1
26. Line(E_1, p) → h_1
27. Line(E, m) → f
28. OrthogonalLine(B, f) → g
29. Intersect(g, f) → C
30. Intersect(i, h') → I
31. Polygon(E, C, B, A) → q2, e, c, b, a
32. Intersect(i, p') → K
33. Intersect(k, h) → M
34. OrthogonalLine(V, f) → g_1
35. Mirror(q, k) → q'
36. Mirror(S', D) → S''
37. Intersect(q', h') → O
38. Mirror(N, D) → N'
39. Intersect(l, p') → H
40. CircleArc(U_1, N, S') → d
41. Mirror(d, D) → d'
42. CurveCartesian(((1 - t)^(3) * N) + (((3 * (1 - t)^(2)) * t) * L) + (((3 * (1 - t)) * t^(2)) * T) + (t^(3) * O), t, 0, 1) → n
43. Mirror(n, D) → n'
44. CurveCartesian(((1 - t)^(3) * Z') + (((3 * (1 - t)^(2)) * t) * F_1) + (((3 * (1 - t)) * t^(2)) * G_1) + (t^(3) * Z), t, 0, 1) → s
45. Mirror(s, D) → s'
46. Intersect(l, t) → I_1
47. CircleArc(V_1, Z', D_1) → c_1
48. Mirror(c_1, D) → d_1
49. Mirror(A_1, k) → K_1
50. Mirror(B_1, k) → L_1
51. Mirror(E_1, k) → O_1
52. Polygon(E_1, Q_1, S_1, R_1) → t1, q_1, e_1, j_2, n_2
53. Mirror(Z, D) → Z'_1
54. Polygon(H_1, P_1, T_1, J_1) → t2, i_1, j_1, p_1, p_2
55. Polygon(D_1, L_1, J_1, T_1, P_1, H_1, Z, Z') → poly1, k_1, l_1, m_1, n_1, r_1, q_2, r_2, s_2
56. Polygon(B_1, M_1, K_1, C_1) → q1, b_1, s_1, t_1, a_1
57. Mirror(Z', D) → Z''
58. Polygon(Z'_1, E_1, Q_1, S_1, R_1, A_1, N_1, O_1, Z'') → poly2, f_2, g_2, h_2, i_2, k_2, l_2, m_2, b_2, c_2
59. Polygon(Q, S', N, O, S'', N') → poly3, q_3, t_2, n_3, o_1, s'', a_2
60. Semicircle(T_1, P_1) → d_2
61. Semicircle(S_1, Q_1) → e_2