球坐标系

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Sphere(A, ρ) → a
3. Polygon(C, B, F, D) → q1, c, b, f, d
4. Rotate(C, ϕ, yAxis) → C'
5. Ray(A, C') → g
6. Segment(C, B) → h
7. Intersect(g, h) → G
8. Segment(C, G) → i
9. Line(C', xAxis) → j
10. Intersect(j, d) → H
11. Segment(H, C') → k
12. Cone(H, A, k) → e, p, l
13. Rotate(q1, θ, zAxis) → q1'
14. Rotate(A, θ, zAxis) → A'
15. Rotate(C', θ, zAxis) → C''
16. Ray(A', C'') → g'
17. Intersect(g', a, 1) → P