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Step 6: Slider and Locus Demonstration

Step 6: Slider and Locus Demonstration
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2014-03-30 13:37
FunctionCoordinate GeometryGeometric ConstructionLocus
In collections Phebe Tanner Translation Tessallation
This example dynamically demonstrates the relationship between points and lines using sliders, illustrating the formation of loci. It involves core mathematical concepts such as slider animations, loci, and coordinate geometry. GeoGebra commands and objects like Line, OrthogonalLine, Point, Intersect, Segment, Angle, Vector, and Translate are used in construction. Suitable for high school students to understand parametric equations, dynamic geometry, and function graphing, as well as for visualizing limits and derivatives in calculus.

GeoGebra Commands & Parameters

  1. Line(A, B) → a
  2. OrthogonalLine(B, a) → b
  3. OrthogonalLine(A, a) → c
  4. Point(b) → C
  5. OrthogonalLine(C, c) → d
  6. Intersect(c, d) → D
  7. Segment(D, C) → e
  8. Segment(C, B) → f
  9. Segment(B, A) → g
  10. Segment(A, D) → h
  11. Angle(A, B, C) → α
  12. Angle(C, D, A) → β
  13. Angle(D, A, B) → γ
  14. Angle(B, C, D) → δ
  15. Segment(D, E) → i
  16. Segment(E, F) → j
  17. Segment(F, G) → k
  18. Segment(G, H) → l
  19. Segment(H, I) → m
  20. Segment(I, J) → n
  21. Segment(J, K) → p
  22. Segment(K, L) → q
  23. Segment(L, M) → r
  24. Segment(M, C) → s
  25. Vector(C, B) → u
  26. Translate(D, u) → D'
  27. Translate(E, u) → E'
  28. Segment(D', E') → i'
  29. Translate(E, u) → E'_1
  30. Translate(F, u) → F'
  31. Segment(E'_1, F') → j'
  32. Translate(F, u) → F'_1
  33. Translate(G, u) → G'
  34. Segment(F'_1, G') → k'
  35. Translate(G, u) → G'_1
  36. Translate(H, u) → H'
  37. Segment(G'_1, H') → l'
  38. Translate(H, u) → H'_1
  39. Translate(I, u) → I'
  40. Segment(H'_1, I') → m'
  41. Translate(I, u) → I'_1
  42. Translate(J, u) → J'
  43. Segment(I'_1, J') → n'
  44. Translate(J, u) → J'_1
  45. Translate(K, u) → K'
  46. Segment(J'_1, K') → p'
  47. Translate(K, u) → K'_1
  48. Translate(L, u) → L'
  49. Segment(K'_1, L') → q'
  50. Translate(L, u) → L'_1
  51. Translate(M, u) → M'
  52. Segment(L'_1, M') → r'
  53. Translate(M, u) → M'_1
  54. Translate(C, u) → C'
  55. Segment(M'_1, C') → s'
  56. Segment(D, N) → t
  57. Segment(N, O) → a_1
  58. Segment(O, P) → b_1
  59. Segment(P, Q) → c_1
  60. Segment(Q, R) → d_1
  61. Segment(R, S) → e_1
  62. Segment(S, T) → f_1
  63. Segment(T, U) → g_1
  64. Segment(U, V) → h_1
  65. Segment(V, W) → i_1
  66. Segment(W, Z) → j_1
  67. Segment(Z, A) → k_1
  68. Vector(A, B) → v
  69. Translate(D, v) → D'_1
  70. Translate(N, v) → N'
  71. Segment(D'_1, N') → t'
  72. Translate(N, v) → N'_1
  73. Translate(O, v) → O'
  74. Segment(N'_1, O') → l_1
  75. Translate(O, v) → O'_1
  76. Translate(P, v) → P'
  77. Segment(O'_1, P') → m_1
  78. Translate(P, v) → P'_1
  79. Translate(Q, v) → Q'
  80. Segment(P'_1, Q') → n_1
  81. Translate(Q, v) → Q'_1
  82. Translate(R, v) → R'
  83. Segment(Q'_1, R') → p_1
  84. Translate(R, v) → R'_1
  85. Translate(S, v) → S'
  86. Segment(R'_1, S') → q_1
  87. Translate(S, v) → S'_1
  88. Translate(T, v) → T'
  89. Segment(S'_1, T') → r_1
  90. Translate(T, v) → T'_1
  91. Translate(U, v) → U'
  92. Segment(T'_1, U') → s_1
  93. Translate(U, v) → U'_1
  94. Translate(V, v) → V'
  95. Segment(U'_1, V') → t_1
  96. Translate(V, v) → V'_1
  97. Translate(W, v) → W'
  98. Segment(V'_1, W') → a_2
  99. Translate(W, v) → W'_1
  100. Translate(Z, v) → Z'
  101. Segment(W'_1, Z') → b_2
  102. Translate(Z, v) → Z'_1
  103. Translate(A, v) → A'
  104. Segment(Z'_1, A') → c_2
  105. Translate(D', v) → D''

AI Drawing Prompt Reference

Draw a line segment and its perpendicular line. Take a point on the segment, and trace the path of its foot as it moves, forming a closed shape. Then, translate the foot along the segment direction multiple times with equal distances, drawing several translated line segments to illustrate parametric changes and locus formation in dynamic geometry.
The prompt above was compiled from the original drawing commands and is for reference only.