几何艺术：多边形与圆的构造与比例分析

GeoGebra 命令及参数

1. Line(A, T) → a
2. Point(a) → B
3. OrthogonalLine(A, a) → b
4. OrthogonalLine(C, b) → c
5. OrthogonalLine(B, a) → d
6. Intersect(c, d) → D
7. Ray(D, A_1) → e
8. Point(e) → E
9. Segment(D, E) → f
10. Circle(E, D) → p
11. Intersect(p, e, 2) → F
12. Circle(F, E) → q
13. Intersect(q, e, 2) → G
14. Circle(G, F) → r
15. Intersect(r, e, 2) → H
16. Circle(H, G) → s
17. Intersect(s, e, 2) → I
18. Line(C, I) → n
19. Line(H, n) → t
20. Line(G, t) → a1
21. Line(F, a1) → b1
22. Line(E, b1) → c1
23. Intersect(c, t) → J
24. Intersect(c, a1) → K
25. Intersect(c, b1) → L
26. Intersect(c, c1) → M
27. OrthogonalLine(J, c) → d1
28. OrthogonalLine(K, c) → e1
29. OrthogonalLine(L, c) → f1
30. OrthogonalLine(M, c) → g1
31. Intersect(a, d1) → N
32. Intersect(a, e1) → O
33. Intersect(a, f1) → P
34. Intersect(a, g1) → Q
35. Segment(N, J) → h1
36. Segment(K, O) → i1
37. Segment(P, L) → j1
38. Segment(M, Q) → k1
39. Midpoint(C, D) → R
40. Midpoint(R, C) → S
41. Midpoint(R, D) → U
42. Midpoint(A, B) → V
43. Segment(A, S) → l1
44. Segment(S, V) → m1
45. Segment(V, U) → n1
46. Segment(U, B) → p1
47. Circle(K, L) → q1
48. Circle(L, K) → r1
49. Intersect(q1, i1) → W,
50. Intersect(r1, j1) → Z,
51. Polygon(K, W, Z, L) → poly1, k_1, w, z, l_1