LSST Applications
21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
|
Functions | |
def | toIndex (nside, ra, dec) |
def | toRaDec (nside, index) |
def | eq2xyz (ra, dec) |
def | eq2xyzVec (ra, dec) |
def | convert_spherical (ra, dec) |
def | convert_spherical_array (array) |
def | query_disc (nside, ra, dec, max_rad, min_rad=0) |
def lsst.pipe.tasks.associationUtils.convert_spherical | ( | ra, | |
dec | |||
) |
Convert from ra,dec to spherical coordinates. Used in query_disc. Parameters ---------- ra : `float` RA in radians. dec : `float` Declination in radians
Definition at line 124 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.convert_spherical_array | ( | array | ) |
Convert from and a array ra,dec to spherical coordinates. Used in query_disc Parameters ---------- array : `numpy.ndarray`, (N, 2) (N, 2) Array of RA, DEC values. Returns ------- vecs : `numpy.ndarray`, (N, 3) Vectors on the unit sphere
Definition at line 141 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.eq2xyz | ( | ra, | |
dec | |||
) |
Convert from equatorial ra,dec in degrees to x,y,z on unit sphere. Parameters ---------- ra : `float` RA in degrees. dec : `float` Declination in degrees Returns ------- xyz : `numpy.ndarray`, (3,) Float xyz positions on the unit sphere.
Definition at line 72 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.eq2xyzVec | ( | ra, | |
dec | |||
) |
Convert equatorial ra,dec in degrees to x,y,z on the unit sphere parameters Vectorized version of ``eq2xyz`` Parameters ---------- ra : array_like, (N,) Array of RA in degrees. dec : array_like, (N,) Declination in degrees Returns ------- vec : `numpy.ndarray`, (N,3) Array of unitsphere 3-vectors.
Definition at line 96 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.query_disc | ( | nside, | |
ra, | |||
dec, | |||
max_rad, | |||
min_rad = 0 |
|||
) |
Get the list of healpix indices within max_rad, min_rad given in radians around ra,dec given in degrees Parameters ---------- nside : `int` Resolution of the healpixels to search/return. ra : `float` RA in degrees. dec : `float` Declination in degrees max_rad : `float` Max distance in radians to search nearby healpixels. min_rad : `float`, optional Minimum distance in radians to search healpixels. Default = 0.
Definition at line 161 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.toIndex | ( | nside, | |
ra, | |||
dec | |||
) |
Return healpix index given ra, dec in degrees Parameters ---------- nside : `int` Power of 2 nside healpix resolution. ra : `float` RA in degrees. dec : `float` Declination in degrees Returns ------- index : `int` Unique healpix pixel ID containing point RA, DEC at resolution nside.
Definition at line 31 of file associationUtils.py.
def lsst.pipe.tasks.associationUtils.toRaDec | ( | nside, | |
index | |||
) |
Convert from healpix index to ra,dec in degrees Parameters ---------- nside : `int` Resolution of healpixel "grid". index : `int` Index of the healpix pixel we want to find the location of. Returns ------- pos : `numpy.ndarray`, (2,) RA and DEC of healpix pixel location in degrees.
Definition at line 51 of file associationUtils.py.