bilinear_interpolation_weights (lon, lat, nside) |
Get the four neighbours for each (lon, lat) position and the weight associated with each one for bilinear interpolation. |
healpix_to_lonlat (healpix_index, nside[, …]) |
Convert HEALPix indices (optionally with offsets) to longitudes/latitudes. |
interpolate_bilinear_lonlat (lon, lat, values) |
Interpolate values at specific longitudes/latitudes using bilinear interpolation |
level_ipix_to_uniq (level, ipix) |
Convert a level and HEALPix index into a uniq number representing the cell. |
level_to_nside (level) |
Find the pixel dimensions of the top-level HEALPix tiles. |
lonlat_to_healpix (lon, lat, nside[, …]) |
Convert longitudes/latitudes to HEALPix indices |
neighbours (healpix_index, nside[, order]) |
Find all the HEALPix pixels that are the neighbours of a HEALPix pixel |
npix_to_nside (npix) |
Find the number of pixels on the side of one of the 12 ‘top-level’ HEALPix tiles given a total number of pixels. |
nside_to_level (nside) |
Find the HEALPix level for a given nside. |
nside_to_npix (nside) |
Find the number of pixels corresponding to a HEALPix resolution. |
nside_to_pixel_area (nside) |
Find the area of HEALPix pixels given the pixel dimensions of one of the 12 ‘top-level’ HEALPix tiles. |
nside_to_pixel_resolution (nside) |
Find the resolution of HEALPix pixels given the pixel dimensions of one of the 12 ‘top-level’ HEALPix tiles. |
pixel_resolution_to_nside (resolution[, round]) |
Find closest HEALPix nside for a given angular resolution. |
test ([package, test_path, args, plugins, …]) |
Run the tests using py.test. |
uniq_to_level_ipix (uniq) |
Convert a HEALPix cell uniq number to its (level, ipix) equivalent. |