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Table 1
Overview of derivatives of the NIFTy space class, the corresponding grids, and conjugate space classes.
| NIFTy subclass | Corresponding grid | Conjugate space class |
|
|
||
| point_space | unstructured list of points | (none) |
| rg_space | n-dimensional regular Euclidean grid over
 |
rg_space |
| lm_space | spherical harmonics | gl_space or hp_space |
| gl_space | Gauss-Legendre grid on the 
sphere |
lm_space |
| hp_space | HEALPix grid on the
sphere |
lm_space |
| nested_space | (arbitrary product of grids) | (partial conjugation) |
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