立方体的截面绘制

GeoGebra 命令及参数

1. Line(A, B) → a
2. OrthogonalLine(A, a, space) → b
3. OrthogonalLine(A, a, space) → c
4. OrthogonalLine(B, a, space) → d
5. OrthogonalLine(D, a, space) → e
6. Line(B, e) → f
7. Point(f) → C
8. Segment(D, A) → h
9. Segment(A, B) → i
10. Segment(B, C) → j
11. Segment(C, D) → k
12. Polygon(A, B, C, D) → poly1, a_1, b_1, d_1, c_1
13. Prism(poly1, 5) → l, A_1, edgeAE, edgeBF, edgeDG, edgeCH, edgeEF, edgeFG, edgeGH, edgeEH, B_1, C_1, D_1, faceABFE, faceBDGF, faceCDGH, faceACHE, faceEFGH
14. Point(a_1) → I
15. Point(edgeAE) → J
16. Point(edgeGH) → K
17. Line(J, I) → g
18. Line(B_1, A_1) → m
19. Point(m) → L
20. Line(K, L) → n
21. Line(B_1, C_1) → p
22. Line(B_1, B) → q
23. Intersect(p, n) → M
24. Point(g) → N
25. Line(M, N) → r
26. Point(edgeEH) → P
27. Point(r) → Q
28. Point(b_1) → R
29. Segment(I, R) → s
30. Segment(K, Q) → t
31. Segment(J, P) → e_1
32. Segment(J, I) → f_1
33. Segment(I, R) → g_1
34. Segment(R, Q) → h_1
35. Segment(Q, K) → i_1
36. Segment(K, P) → j_1
37. Segment(P, J) → k_1
38. Point(p) → E
39. Plane(J, I, R) → o
40. Polygon(I, R, Q, K, P, J) → poly2, i_2, r_1, q_1, k_2, p_1, j_2