螺旋状环面

螺旋状环面
几何画板及绘图内容加载中,请稍等……
2023-03-15 21:37
所属专题 geometriadinamica.es
这个范例展示了螺旋状环面的几何构造。它涉及到了圆的几何性质和参数方程。通过使用GeoGebra命令如Segment, Point, Circle, Intersect等,可以动态地展示环面在螺旋上升过程中的变化。适合高中数学教学,特别是解析几何和参数方程的学习。

GeoGebra 命令及参数

  1. Segment(Q3, Q4) → p2
  2. Point(p2) → P3
  3. Segment(P3, Q4) → p4
  4. Point(p4) → P4
  5. Segment(Q1, Q2) → p1
  6. Point(p1) → P1
  7. Segment(P1, Q2) → p3
  8. Point(p3) → P2
  9. OrthogonalLine(C, xAxis) → zz2
  10. Circle(C, 0.62) → zz0
  11. Intersect(zz0, zz2, 1) → ZZ4
  12. Intersect(zz0, zz2, 2) → ZZ3
  13. Ellipse(ZZ3, ZZ4, 0.65) → zElipse2
  14. Point(zElipse2) → Z
  15. Intersect(zElipse2, zz2) → ZZ7, ZZ8
  16. Angle(ZZ8, C, Z) → zAngInc
  17. OrthogonalLine(C, yAxis) → zz1
  18. Intersect(zz0, zz1, 2) → ZZ2
  19. Intersect(zz0, zz1, 1) → ZZ1
  20. Ellipse(ZZ1, ZZ2, 0.65) → zElipse1
  21. Point(zElipse1) → XY
  22. Intersect(zElipse1, zz1) → ZZ5, ZZ6
  23. Angle(ZZ6, C, XY) → zAngRot
  24. Segment(Q5, Q6) → p5
  25. Point(p5) → P5
  26. CurveCartesian(((r / 4 * (3 + sin(v))) * sin(zAngRot)), (r / 4 * ((((-(3 + sin(v))) * cos(zAngRot)) * sin(zAngInc)) + ((3.14159 + cos(v)) * cos(zAngInc)))) - 3, v, v1, v2) → curva1
  27. Segment(ZZ5, ZZ6) → zz4
  28. Segment(ZZ7, ZZ8) → zz3
  29. Intersect(zElipse2, zElipse1, 1) → zPunto1
  30. Intersect(zElipse2, zElipse1, 4) → zPunto2
  31. Segment(zPunto1, zPunto2) → zSeg2
  32. CurveCartesian((r / 4 * ((((3 + sin(α)) * cos(u)) * sin(zAngRot)) + (((3 + sin(α)) * sin(u)) * cos(zAngRot)))), (r / 4 * (((((-(3 + sin(α))) * cos(u)) * cos(zAngRot)) * sin(zAngInc)) + ((((3 + sin(α)) * sin(u)) * sin(zAngRot)) * sin(zAngInc)) + ((u / 2 + cos(α)) * cos(zAngInc)))) - 3, u, u1, u2) → curva2
  33. CurveCartesian((r / 4 * ((((3 + sin(v)) * cos((2 * β))) * sin(zAngRot)) + (((3 + sin(v)) * sin((2 * β))) * cos(zAngRot)))), (r / 4 * (((((-(3 + sin(v))) * cos((2 * β))) * cos(zAngRot)) * sin(zAngInc)) + ((((3 + sin(v)) * sin((2 * β))) * sin(zAngRot)) * sin(zAngInc)) + ((β + cos(v)) * cos(zAngInc)))) - 3, v, v1, v2) → a1
  34. Sequence(CurveCartesian[(r / 4 * ((((3 + sin(v)) * cos(u)) * sin(zAngRot)) + (((3 + sin(v)) * sin(u)) * cos(zAngRot)))), (r / 4 * (((((-(3 + sin(v))) * cos(u)) * cos(zAngRot)) * sin(zAngInc)) + ((((3 + sin(v)) * sin(u)) * sin(zAngRot)) * sin(zAngInc)) + ((u / 2 + cos(v)) * cos(zAngInc)))) - 3, v, v1, v2], u, u1, u2, paso) → list2
  35. Sequence(CurveCartesian[(r / 4 * ((((3 + sin(v)) * cos(u)) * sin(zAngRot)) + (((3 + sin(v)) * sin(u)) * cos(zAngRot)))), (r / 4 * (((((-(3 + sin(v))) * cos(u)) * cos(zAngRot)) * sin(zAngInc)) + ((((3 + sin(v)) * sin(u)) * sin(zAngRot)) * sin(zAngInc)) + ((u / 2 + cos(v)) * cos(zAngInc)))) - 3, u, u1, u2], v, v1, v2, (3 * paso)) → list1

AI 绘图提示语参考

绘制一个螺旋上升的环面图形。首先在三维空间中确定一个基准圆,以该圆的圆心为原点,分别创建与x轴和y轴垂直的两条正交线。在基准圆上构造两个倾斜的椭圆截面,它们分别位于互相垂直的平面上且与正交线相交。然后使用参数方程绘制螺旋上升的曲面轮廓,参数包含角度变化和半径缩放,形成类似螺旋楼梯的环形带状结构。整体呈现环面沿着中心轴向上螺旋延伸的动态视觉效果,环面的截面为椭圆形,螺旋过程中角度连续变化。
以上提示语为根据原始绘图命令整理而来,仅供参考。