四种等距变换

GeoGebra 命令及参数

1. Ray(B, A) → i
2. OrthogonalLine(A, i) → j
3. Point(j) → A1
4. Ray(A, A1) → m
5. Distance(A, A1) → l3
6. Min(l3, ((a - 9.5) * l3)) → d3
7. Circle(A, d3) → s
8. Intersect(s, m) → W_1, K_2
9. OrthogonalLine(K_2, m) → b_1
10. Line(F_2, b_1) → c_1
11. Vector(F_2, O_2) → v_1
12. Vector(B_{18}, C_{18}) → u
13. Length(u) → l1
14. Min(l1, ((a - 0.5) * l1)) → d1
15. Circle(D_1, d1) → h
16. Line(F, u) → b
17. Circle(F, d1) → d
18. Intersect(d, b, 2) → E_1
19. Vector(F, E_1) → w
20. Translate(pic2, w) → pic2'
21. Min(180, ((a - 3.5) * 180)) → r1
22. Rotate(pic3, ((-r1))°, F_1) → pic3'
23. Ray(A, B) → e
24. OrthogonalLine(G_1, e) → f
25. Point(f) → H_1
26. Rotate(H_1, r1°, G_1) → U_1
27. Rotate(H_1, ((-r1))°, G_1) → V_1
28. CircleSector(G_1, V_1, H_1) → g
29. Angle(V_1, G_1, H_1) → α
30. OrthogonalLine(A1, j) → k
31. Min(c, ((a - 7) * c)) → d2
32. Circle(A, d2) → p
33. Circle(B, d2) → q
34. Circle(A1, d2) → r
35. Intersect(r, k, 2) → Z_1
36. Intersect(p, e) → A_2, I_2
37. Intersect(q, i) → B_2, J_2
38. Circle(A1, d3) → t
39. Ray(A1, A) → l
40. Intersect(t, l) → C_2, L_2
41. OrthogonalLine(W_1, m) → n
42. Line(Z_1, m) → a_1
43. Intersect(n, a_1) → D_2
44. LineBisector(A, B) → d_1
45. LineBisector(A1, A) → e_1
46. Intersect(a_1, b_1) → E_2
47. OrthogonalLine(F_2, c_1) → f_1
48. Point(f_1) → H_2
49. Length(v_1) → l4
50. Min(l4, ((a - 10.5) * l4)) → d4
51. Circle(H_2, d4) → k_1
52. Line(N_2, j) → i_1
53. Line(P_2, c_1) → j_1
54. Circle(P_2, d4) → p_1
55. Intersect(p_1, j_1, 1) → G_2
56. Vector(P_2, G_2) → z
57. Translate(pic7, z) → pic7'
58. Intersect(p, e, 2) → M_2
59. Point(d_1) → Q_2
60. CircleArc(Q_2, A, B) → g_1
61. OrthogonalLine(M_2, e) → h_1
62. Intersect(g_1, h_1, 1) → S
63. Intersect(e, d_1) → S_2
64. Mirror(S, S_2) → S'
65. Point(e_1) → R_2
66. CircleArc(R_2, A1, A) → q_1
67. OrthogonalLine(L_2, j) → l_1
68. Intersect(q_1, l_1) → TT,
69. Intersect(j, e_1) → U_2
70. Mirror(TT, U_2) → TT'