太阳能板收集太阳光示例 by Terry Lee Lindenmuth

GeoGebra 命令及参数

1. Point(xAxis) → A
2. Point(xAxis) → B
3. Segment(A, B) → f
4. Rotate(A, (-Angle), B) → A'
5. Angle(A', B, A) → α
6. Ray(B, A') → g
7. OrthogonalLine(A, g) → h
8. Intersect(g, h) → C
9. Line(A, g) → i
10. Point(i) → D
11. Ray(A, D) → j
12. Polygon(A, B, C) → poly1, c, a, b
13. Rotate(B, PmAngle, A) → B'
14. Angle(B, A, B') → β
15. OrthogonalLine(B, j) → k
16. Intersect(j, k) → E
17. Polygon(A, B, E) → poly2, e, a_1, b_1
18. Point(g) → F
19. OrthogonalLine(F, j) → l
20. Intersect(j, l) → G
21. Midpoint(G, F) → H
22. Text(PercentHits) → text3
23. Text(PmHits) → text2