两点透视中的立方体

GeoGebra 命令及参数

1. Line(A, B) → f
2. Point(yAxis) → C
3. Intersect(xAxis, yAxis) → D
4. Segment(C, D) → g
5. Segment(A, C) → h
6. Segment(A, D) → i
7. Segment(B, C) → j
8. Segment(B, D) → k
9. Point(h) → E
10. Line(E, g) → l
11. Intersect(l, i) → F
12. Point(j) → G
13. Line(G, g) → m
14. Intersect(m, k) → H
15. Segment(E, F) → n
16. Segment(G, H) → p
17. Segment(F, D) → q
18. Segment(C, E) → r
19. Segment(C, G) → s
20. Segment(D, H) → t
21. Line(B, E) → a
22. Line(A, G) → b
23. Intersect(a, b) → I
24. Segment(E, I) → c
25. Segment(I, G) → d
26. Line(B, F) → e
27. Line(A, H) → f_1
28. Intersect(e, f_1) → J
29. Segment(F, J) → g_1
30. Segment(J, H) → h_1
31. Segment(J, I) → i_1
32. Polygon(F, D, H, J) → q1, f_2, d_1, h_2, j_1
33. Polygon(E, F, D, C) → q2, e_1, f_3, d_2, c_1
34. Polygon(D, H, G, C) → q3, d_3, h_3, g_2, c_2
35. Polygon(F, J, I, E) → q4, f_4, j_2, i_2, e_2
36. Polygon(I, J, H, G) → q5, i_3, j_3, h_4, g_3
37. Polygon(C, G, I, E) → q6, c_3, g_4, i_4, e_3