椭圆齿轮

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(xAxis) → C
3. Point(xAxis) → B
4. Circle(A, 2 * Distance[B, C]) → g
5. Ellipse(A, B, C) → c
6. Intersect(g, xAxis) → D, J_1
7. Circle(B, D) → d
8. Point(d) → E
9. Segment(E, B) → a
10. Intersect(c, a, 1) → F
11. Circle(E, Segment[A, B]) → e
12. Angle(E, B, A) → α
13. Angle(B, A, F) → β
14. Rotate(B, β, E) → B'
15. Angle(B, E, B') → γ
16. Line(E, B') → b
17. Intersect(e, b, 2) → I
18. Ellipse(E, I, F) → f
19. Rotate(B, α, A) → B'_1
20. Rotate(E, α, A) → E'
21. Segment(E', B'_1) → h
22. Rotate(B, α, A) → B'_2
23. Rotate(F, α, A) → F'
24. Rotate(C, α, A) → C'
25. Ellipse(A, B'_1, F') → k
26. Rotate(I, α, A) → I'
27. Ellipse(E', I', F') → p
28. Point(xAxis) → K
29. Vector(B'_1, K) → u
30. Translate(k, u) → k'
31. Translate(p, u) → p'
32. Translate(E', u) → J