一点透视房间绘制

GeoGebra 命令及参数

1. Circle(A, a) → c
2. Point(c) → B
3. Segment(A, B) → f
4. OrthogonalLine(B, f) → g
5. Circle(B, Height) → d
6. Intersect(d, g, 2) → C
7. Segment(B, C) → h
8. OrthogonalLine(C, g) → i
9. OrthogonalLine(A, i) → j
10. Intersect(i, j) → D
11. Segment(C, D) → k
12. Segment(D, A) → l
13. Polygon(A, B, C, D) → q1, a_1, b, c_1, d_1
14. Dilate(D, Depth, VP) → D'
15. Dilate(C, Depth, VP) → C'
16. Dilate(B, Depth, VP) → B'
17. Dilate(A, Depth, VP) → A'
18. Polygon(D', A', B', C') → q2, d', a', b', c'
19. Segment(D, A) → m
20. Polygon(D, A, A', D') → q3, d_2, a_2, n, p
21. Polygon(C, B, B', C') → q4, c_2, b_1, q, r
22. Polygon(A', B', B, A) → q5, s, t, b_2, a_3
23. Ray(VP, D') → i_1
24. Ray(VP, A') → j_1
25. Ray(VP, C) → k_1
26. Ray(VP, B) → l_1
27. Point(q5) → E
28. Point(q5) → F
29. OrthogonalLine(E, f) → g_1
30. OrthogonalLine(F, f) → h_1
31. Point(q4) → G
32. OrthogonalLine(G, h) → m_1
33. Intersect(g_1, m_1) → H
34. Intersect(m_1, h_1) → I
35. Polygon(E, F, I, H) → q7, e_1, f_2, i_2, h_2
36. Point(q3) → J
37. Point(q3) → K
38. Line(VP, J) → n_1
39. Midpoint(A, A') → L
40. Midpoint(A, L) → M
41. Midpoint(L, A') → N
42. Line(M, f) → q_1
43. Line(L, q_1) → r_1
44. Line(N, r_1) → s_1
45. Intersect(q_1, b_1) → O
46. Intersect(r_1, b_1) → P
47. Intersect(s_1, b_1) → Q
48. Midpoint(A', B') → R
49. Midpoint(R, A') → S
50. Midpoint(R, B') → T
51. Line(VP, S) → t_1
52. Line(VP, R) → g_2
53. Line(VP, T) → j_2
54. Intersect(s_1, t_1) → U
55. Intersect(r_1, t_1) → V
56. Intersect(q_1, t_1) → W
57. Intersect(q_1, g_2) → Z
58. Intersect(g_2, r_1) → A_1
59. Intersect(s_1, g_2) → B_1
60. Intersect(q_1, j_2) → C_1
61. Intersect(j_2, r_1) → D_1
62. Intersect(s_1, j_2) → E_1
63. Intersect(t_1, f) → F_1
64. Polygon(A, M, W, F_1) → q8, a_4, m_2, w, k_2
65. Polygon(L, N, U, V) → q9, l_2, n_2, u, v
66. Polygon(W, V, A_1, Z) → q10, w_1, v_1, p_2, z_1
67. Polygon(U, S, R, B_1) → q11, u_1, s_2, r_2, q_2
68. Intersect(g_2, f) → G_1
69. Intersect(j_2, f) → H_1
70. Polygon(G_1, Z, C_1, H_1) → q12, t_2, z_2, e_2, f_3
71. Polygon(A_1, B_1, E_1, D_1) → q13, g_3, h_3, i_3, j_3
72. Polygon(C_1, D_1, P, O) → q14, k_3, l_3, p_3, o_1
73. Polygon(E_1, T, B', Q) → q15, m_3, t_3, n_3, q_3
74. Line(K, VP) → e
75. Point(n_1) → I_1
76. Point(n_1) → J_1
77. Line(I_1, j) → f_1
78. Line(J_1, j) → p_1
79. Intersect(e, f_1) → K_1
80. Intersect(e, p_1) → L_1
81. Midpoint(I_1, J_1) → M_1
82. Midpoint(L_1, K_1) → N_1
83. Midpoint(I_1, K_1) → O_1
84. Midpoint(M_1, N_1) → P_1
85. Polygon(I_1, K_1, L_1, J_1) → q6, r_3, s_3, b_3, c_3
86. Segment(M_1, N_1) → d_3
87. Segment(O_1, P_1) → e_3