2.8 Simetría con deslizamiento：三维向量与变换的几何作图

GeoGebra 命令及参数

1. Line(A, B) → b
2. Circle(A, d1) → d
3. Circle(B, d1) → e
4. Intersect(d, b, 2) → C
5. Intersect(e, b, 1) → D
6. OrthogonalLine(A, b) → f
7. OrthogonalLine(B, b) → g
8. Point(f) → E
9. OrthogonalLine(E, f) → h
10. Intersect(g, h) → F
11. Circle(E, d1) → k
12. Circle(F, d1) → p
13. Intersect(k, h, 1) → G
14. LineBisector(E, F) → i
15. Ray(A, D) → j
16. Intersect(d, j) → I, N
17. Intersect(e, j, 2) → J
18. Ray(D, A) → l
19. Intersect(e, l) → K, L
20. OrthogonalLine(D, b) → m
21. Intersect(b, i) → H
22. Line(M, i) → n
23. Point(n) → O
24. Vector(M, O) → u
25. Length(u) → l1
26. Min(l1, (l1 * (a - 1.5))) → dd
27. Mirror(pic1, i) → pic1'
28. Line(P, u) → q
29. Circle(P, dd) → r
30. Intersect(r, q, 2) → Q
31. Vector(P, Q) → w
32. Translate(pic1', w) → pic1''
33. OrthogonalLine(M, u) → s
34. Point(i) → R
35. CircleArc(R, A, B) → t
36. OrthogonalLine(C, b) → a_1
37. Intersect(t, a_1, 1) → S
38. Mirror(S, H) → S'