圆锥体与坐标几何

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(xAxis) → B_1
3. Circle(A, B_1) → c
4. Point(xAxis) → C
5. Point(xAxis) → D
6. Line(C, D) → f
7. Point(yAxis) → E
8. Point(yAxis) → F
9. Line(E, F) → g
10. Rotate(f, 45°, (0, 0)) → f'
11. Rotate(g, 45°, (0, 0)) → g'
12. Intersect(c, f, 2) → G
13. Intersect(c, f', 2) → H
14. CircleSector(A, G, H) → d
15. Intersect(c, g, 2) → I
16. CircleSector(A, (2.1213203435596424, 2.121320343559642), I) → e
17. Intersect(c, g', 2) → J
18. CircleSector(A, (0, 3), J) → h
19. Intersect(c, f, 1) → K
20. CircleSector(A, (-2.1213203435596424, 2.121320343559643), K) → k
21. Intersect(c, f', 1) → L
22. CircleSector(A, (-3, 0), L) → p
23. Intersect(c, g, 1) → M
24. CircleSector(A, L, M) → q
25. Intersect(c, g', 1) → N
26. CircleSector(A, M, N) → r
27. CircleSector(A, (2.1213203435596424, -2.121320343559643), G) → s
28. Circle(B, O) → t
29. Rotate(t, 45°, A) → t'
30. Rotate(t, 90°, A) → t'_1
31. Rotate(t, 135°, A) → t'_2
32. Rotate(t, 180°, A) → t'_3
33. Rotate(t, 225°, A) → t'_4
34. Rotate(t, 270°, A) → t'_5
35. Rotate(t, 315°, A) → t'_6