分形旋轮线

GeoGebra 命令及参数

1. Line(A, xAxis) → n
2. Circle(A, R) → c
3. Intersect(c, n) → E, F
4. Point(c) → B
5. Circle(A, R - r1) → d
6. Rotate(F, (t * w), A) → B'
7. Ray(A, B') → a
8. Intersect(d, a) → C,
9. Circle(C, B') → e
10. Rotate(B', (t * w1) + 3.141592653589793, C) → B''
11. Circle(C, r1 - r2) → f
12. Ray(C, B'') → b
13. Intersect(f, b) → D, K
14. Circle(D, B'') → g
15. Rotate(B'', (t * w2) + 3.141592653589793, D) → B'''
16. Segment(D, B''') → h
17. Segment(C, B'') → i
18. Segment(A, B') → j
19. Line(G, H) → p
20. Point(p) → I
21. Segment(I, J) → r
22. Segment(A, C) → f_1
23. Segment(C, D) → g_1
24. CurveCartesian(x(A) + ((R - r1) * cos((w * i))) + ((r1 - r2) * cos(((w1 + w) * i) + π)) - (r2 * cos(((w + w1 + w2) * i) + π)), y(A) + ((R - r1) * sin((w * i))) + ((r1 - r2) * sin(((w1 + w) * i) + π)) - (r2 * sin(((w + w1 + w2) * i) + π)), i, 0, t) → u
25. Intersect(g, g_1) → L,
26. Segment(C, L) → k