3D曲线追踪 by Lenore Horner

GeoGebra 命令及参数

1. CurveCartesian(f(u), g(u), h(u), u, t_{min}, t_{max}) → r
2. Textfield(f) → InputBox1
3. Textfield(g) → InputBox2
4. Textfield(h) → InputBox3
5. Textfield(t_{min}) → InputBox4
6. Textfield(t_{max}) → InputBox5
7. Vector((0, 0, 0), A) → rCurrent
8. CornerThreeD(-1, 1) → C1
9. CornerThreeD(-1, 2) → C2
10. CornerThreeD(-1, 3) → C3
11. CornerThreeD(-1, 4) → C4
12. CornerThreeD(-1, 5) → C5
13. CornerThreeD(-1, 6) → C6
14. CornerThreeD(-1, 7) → C7
15. CornerThreeD(-1, 8) → C8
16. Polygon(C1, C4, C8, C5) → yzPlane, c1, c4, c8, c5
17. Polygon(C2, C1, C5, C6) → xzPlane, c2, i, j, c6
18. Polygon(C2, C3, C4, C1) → xyPlane, k, c3, l, m
19. CurveCartesian(f(u), g(u), z(C1), u, t_{min}, t_{max}) → xyProjection
20. CurveCartesian(f(u), y(C1), h(u), u, t_{min}, t_{max}) → xzProjection
21. CurveCartesian(x(C1), g(u), h(u), u, t_{min}, t_{max}) → yzProjection