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GeoGebra Parametric Surface Example

GeoGebra Parametric Surface Example
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2022-07-04 18:01
Solid GeometryParametric EquationGeometric Construction
This example demonstrates constructing parametric surfaces using GeoGebra commands. Key concepts include parametric equations, surface plotting, and geometric construction. Construction involves using Surface, Textfield, and Element commands to define parameters and labels. Suitable for high school students learning parametric equations or university courses in multivariable calculus.

GeoGebra Commands & Parameters

  1. Surface(xmin, (u * ymin(xmin)) + ((1 - u) * ymax(xmin)), (v * zmin(xmin, (u * ymin(xmin)) + ((1 - u) * ymax(xmin)))) + ((1 - v) * zmax(xmin, (u * ymin(xmin)) + ((1 - u) * ymax(xmin)))), u, 0, 1, v, 0, 1) → left
  2. Surface(xmax, (u * ymin(xmax)) + ((1 - u) * ymax(xmax)), (v * zmin(xmax, (u * ymin(xmax)) + ((1 - u) * ymax(xmax)))) + ((1 - v) * zmax(xmax, (u * ymin(xmax)) + ((1 - u) * ymax(xmax)))), u, 0, 1, v, 0, 1) → right
  3. Textfield(xmin) → textfield1
  4. Textfield(xmax) → textfield2
  5. Textfield(ymin) → textfield3
  6. Textfield(ymax) → textfield4
  7. Textfield(zmin) → textfield5
  8. Textfield(zmax) → textfield6
  9. Surface((u / 3 * xmin) + ((1 - u / 3) * xmax), ymin((u / 3 * xmin) + ((1 - u / 3) * xmax)), (v / 3 * zmin((u / 3 * xmin) + ((1 - u / 3) * xmax), ymin((u / 3 * xmin) + ((1 - u / 3) * xmax)))) + ((1 - v / 3) * zmax((u / 3 * xmin) + ((1 - u / 3) * xmax), ymin((u / 3 * xmin) + ((1 - u / 3) * xmax)))), u, 0, 3, v, 0, 3) → front
  10. Surface((u / 3 * xmin) + ((1 - u / 3) * xmax), (v / 3 * ymax((u / 3 * xmin) + ((1 - u / 3) * xmax))) + ((1 - v / 3) * ymin((u / 3 * xmin) + ((1 - u / 3) * xmax))), zmax((u / 3 * xmin) + ((1 - u / 3) * xmax), (v / 3 * ymax((u / 3 * xmin) + ((1 - u / 3) * xmax))) + ((1 - v / 3) * ymin((u / 3 * xmin) + ((1 - u / 3) * xmax)))), u, 0, 3, v, 0, 3) → up
  11. Surface((u / 3 * xmin) + ((1 - u / 3) * xmax), ymax((u / 3 * xmin) + ((1 - u / 3) * xmax)), (v / 3 * zmin((u / 3 * xmin) + ((1 - u / 3) * xmax), ymax((u / 3 * xmin) + ((1 - u / 3) * xmax)))) + ((1 - v / 3) * zmax((u / 3 * xmin) + ((1 - u / 3) * xmax), ymax((u / 3 * xmin) + ((1 - u / 3) * xmax)))), u, 0, 3, v, 0, 3) → back
  12. Surface((u / 3 * xmin) + ((1 - u / 3) * xmax), (v / 3 * ymax((u / 3 * xmin) + ((1 - u / 3) * xmax))) + ((1 - v / 3) * ymin((u / 3 * xmin) + ((1 - u / 3) * xmax))), zmin((u / 3 * xmin) + ((1 - u / 3) * xmax), (v / 3 * ymax((u / 3 * xmin) + ((1 - u / 3) * xmax))) + ((1 - v / 3) * ymin((u / 3 * xmin) + ((1 - u / 3) * xmax)))), u, 0, 3, v, 0, 3) → down
  13. Element(vdir, faces) → Selectvec

AI Drawing Prompt Reference

Draw a 3D shape composed of multiple parametric surfaces to demonstrate the use of parametric equations and surface plotting. The shape includes two main surfaces (left and right) and four directional faces (front, up, back, down). Each face is defined using a parametric equation and labeled with the corresponding parameter range. The construction sequence involves first plotting the main surfaces, then adding the directional faces, and finally labeling the parameter ranges.
The prompt above was compiled from the original drawing commands and is for reference only.