Cylinder transposition and spherical equivalent
Plus-to-minus cylinder transposition with spherical equivalent.
Inputs
0 of 3D
D
°
When to use
- Converting between plus- and minus-cylinder notation.
Pearls and pitfalls
- Spherical equivalent is unchanged by transposition.
Why use
Both notations at once.
- where
- S
- Sphere, D
- C
- Cylinder, D
Transposed: sphere S + C, cylinder −C, axis ± 90°.