Astroide几何构造

Astroide几何构造
几何画板及绘图内容加载中,请稍等……
2023-03-17 02:21
所属专题 geometriadinamica.es
①本范例演示了一个名为Astroide的复杂几何图形的构造过程;②涉及的核心数学概念包括连续性、几何构造、不等式、面积计算和立体几何;③作图要点提炼自构造摘要,使用了Intersect(相交)、Point(点)、Circle(圆)、Ray(射线)、Angle(角)、Rotate(旋转)、Segment(线段)、CircleArc(圆弧)等GeoGebra命令和对象;④适合高中及以上学生学习和探索立体几何与几何作图。

GeoGebra 命令及参数

  1. Intersect(xAxis, yAxis) → A_1
  2. Point(xAxis) → B_1
  3. Circle(A_1, 0.75) → d
  4. Point(d) → A
  5. Ray(A_1, A) → b
  6. Angle(B_1, A_1, A) → α
  7. Circle(A_1, B_1) → c
  8. Intersect(c, b) → D,
  9. Circle(A, 0.25) → e
  10. Rotate(D, (-4 * α), A) → C
  11. Segment(A, C) → a
  12. CircleArc(A, C, D) → f
  13. CircleArc(A_1, B_1, D) → g
  14. Segment(A_1, A) → h
  15. Rotate(A, 29.999999999999996°, A) → A'
  16. Rotate(C, 29.999999999999996°, A) → C'
  17. Segment(A', C') → i
  18. Rotate(A', 29.999999999999996°, A) → A''
  19. Rotate(C', 29.999999999999996°, A) → C''
  20. Segment(A'', C'') → j
  21. Rotate(A'', 29.999999999999996°, A) → A'''
  22. Rotate(C'', 29.999999999999996°, A) → C'''
  23. Segment(A''', C''') → k
  24. Rotate(A''', 29.999999999999996°, A) → A''''
  25. Rotate(C''', 29.999999999999996°, A) → C''''
  26. Segment(A'''', C'''') → l
  27. Rotate(A'''', 29.999999999999996°, A) → A'''''
  28. Rotate(C'''', 29.999999999999996°, A) → C'''''
  29. Segment(A''''', C''''') → m
  30. Rotate(A''''', 29.999999999999996°, A) → A''''''
  31. Rotate(C''''', 29.999999999999996°, A) → C''''''
  32. Segment(A'''''', C'''''') → n
  33. Rotate(A'''''', 29.999999999999996°, A) → A'''''''
  34. Rotate(C'''''', 29.999999999999996°, A) → C'''''''
  35. Segment(A''''''', C''''''') → p
  36. Rotate(A''''''', 29.999999999999996°, A) → A''''''''
  37. Rotate(C''''''', 29.999999999999996°, A) → C''''''''
  38. Segment(A'''''''', C'''''''') → q
  39. Rotate(A'''''''', 29.999999999999996°, A) → A'''''''''
  40. Rotate(C'''''''', 29.999999999999996°, A) → C'''''''''
  41. Segment(A''''''''', C''''''''') → s
  42. Rotate(A''''''''', 29.999999999999996°, A) → A''''''''''
  43. Rotate(C''''''''', 29.999999999999996°, A) → C''''''''''
  44. Segment(A'''''''''', C'''''''''') → t
  45. Rotate(A'''''''''', 29.999999999999996°, A) → A'''''''''''
  46. Rotate(C'''''''''', 29.999999999999996°, A) → C'''''''''''
  47. Segment(A''''''''''', C''''''''''') → a_1
  48. Rotate(D, (-4 * α), A) → B

AI 绘图提示语参考

绘制一个阿斯托德曲线,首先在x轴和y轴的交点处画一个圆,然后在圆上取一点A,通过A点画一条射线b。接着以A1为圆心,B1为半径画一个圆c,与射线b相交于点D。以A为圆心,0.25为半径画一个圆e,旋转D点4倍的角α得到点C,连接AC得到线段a。接着画圆弧f和g,然后依次旋转A和C点,重复上述步骤,最终形成阿斯托德曲线。
以上提示语为根据原始绘图命令整理而来,仅供参考。