旋转符号与几何变换

GeoGebra 命令及参数

1. Segment(S, T) → t
2. Point(t) → M
3. Point(t) → N
4. Polygon(M, N, 6) → p4, m, R, n, p, q, r, s, O, P, Q
5. Vector(U, V) → u
6. If(v ≤ 1, v, 1) → v1
7. Segment(W, Z) → a_1
8. Polygon(I, J, 4) → p3, i, j, k, l, K, L
9. Polygon(F, G, 3) → p2, f, g, h, H
10. Polygon(A_1, B, 4) → p1, a, b_1, c, d, C, D
11. If(v ≥ 1, v - 1, 0) → v2
12. Circle(E, 0.5) → e
13. Segment(B_1, C_1) → c_1
14. Segment(D_1, E_1) → d_1
15. Segment(F_1, G_1) → e_1
16. Translate(e, Vector[v1 * u]) → e'
17. Translate(p1, Vector[v1 * u]) → p1'
18. Translate(p2, Vector[v1 * u]) → p2'
19. Translate(p3, Vector[v1 * u]) → p3'
20. Translate(p4, Vector[v1 * u]) → p4'
21. Rotate(e', (v2 * 360)°, V) → e''
22. Rotate(p1', (v2 * 360)°, V) → p1''
23. Rotate(p2', (v2 * 360)°, V) → p2''
24. Rotate(p3', (v2 * 360)°, V) → p3''
25. Rotate(p4', (v2 * 360)°, V) → p4''