Cylinders Intersection Study

Cylinders Intersection Study
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2016-09-04 12:26
This example demonstrates the intersection shapes of up to three cylinders. It involves core math concepts like solid geometry, coordinate geometry, symmetry, and equation solving. Construction highlights include commands/objects like Point, Circle, Intersect, Vector, If, Surface, Locus, CurveCartesian, Mirror, Translate, Segment, and Line from GeoGebra. Suitable for high school and above learners to understand spatial relationships and visualization of complex geometric bodies.

GeoGebra Commands & Parameters

  1. Point(xAxis) → X
  2. Circle(X, c, xAxis) → r
  3. Point(yAxis) → Y
  4. Intersect(n, r) → D, E
  5. Vector(X, D) → u
  6. If(Defined[D], Angle[u, v], If[y(Y) > c, 0, π]) → β
  7. Circle(Y, b, yAxis) → q
  8. Surface((b * cos(u)), t, (b * sin(u)), u, 0, (2 * π), t, y(Y), y(Y) + 10) → c_y
  9. Point(f) → A
  10. Locus(A', A) → LlocGeomètric1
  11. CurveCartesian(c_y(acos((a * cos(t) / b)), (a * sin(t))), t, -10, 10) → g
  12. Surface(t, (c * cos(u)), (c * sin(u)), u, 0, (2 * π), t, x(X), x(X) + 10) → c_x
  13. Mirror(g, xOyPlane) → g'
  14. CurveCartesian(c_x(acos((a * cos(t) / c)), (a * sin(t))), t, -10, 10) → h
  15. Mirror(h, xOyPlane) → h'
  16. Circle(xAxis, C) → k
  17. Point(k) → B
  18. CurveCartesian(c_y(asin((c * sin(t) / b)), (c * cos(t))), t, (-β), β) → j
  19. Mirror(j, l) → j'
  20. Surface((b * cos(u)), (t * cos(α)) - ((b * sin(u)) * sin(α)), (t * sin(α)) + ((b * sin(u)) * cos(α)), u, 0, (2 * π), t, -5, 5) → m
  21. Point(zAxis) → Z
  22. Surface((a * cos(u)), (a * sin(u)), t, u, 0, (2 * π), t, z(Z), z(Z) + 10) → c_z
  23. Circle(Z, a, zAxis) → p
  24. Translate(p, Vector[(0, 0, 10)]) → p'
  25. Translate(q, Vector[(0, 10, 0)]) → q'
  26. Translate(r, Vector[(10, 0, 0)]) → r'
  27. Intersect(o, q) → F, G
  28. Segment(F, G) → s
  29. Mirror(F, xOyPlane) → F'
  30. Mirror(G, xOyPlane) → G'
  31. Segment(F', G') → s'
  32. Intersect(n', r) → D', H
  33. Intersect(o', q') → F_1, G_1
  34. Mirror(F_1, xOyPlane) → F_1'
  35. Mirror(G_1, xOyPlane) → G_1'
  36. Segment(F_1, G_1) → s_1
  37. Segment(F_1', G_1') → s_1'
  38. Line(Y, (0, 1, 0)) → e_y
  39. Line(X, (1, 0, 0)) → e_x
  40. Line(Z, (0, 0, 1)) → f_1

AI Drawing Prompt Reference

Draw the intersection shapes of up to three cylinders to demonstrate core geometric concepts like solid geometry, coordinate geometry, symmetry, and equation solving. Start by constructing three cylinders, find their intersection points, use vectors to indicate directions, calculate angles, and then draw surfaces and loci. Finally, mirror and move parts of the shapes to complete the spatial relationships and visualization of complex geometric bodies.
The prompt above was compiled from the original drawing commands and is for reference only.