LSST Applications
21.0.0+04719a4bac,21.0.0-1-ga51b5d4+f5e6047307,21.0.0-11-g2b59f77+a9c1acf22d,21.0.0-11-ga42c5b2+86977b0b17,21.0.0-12-gf4ce030+76814010d2,21.0.0-13-g1721dae+760e7a6536,21.0.0-13-g3a573fe+768d78a30a,21.0.0-15-g5a7caf0+f21cbc5713,21.0.0-16-g0fb55c1+b60e2d390c,21.0.0-19-g4cded4ca+71a93a33c0,21.0.0-2-g103fe59+bb20972958,21.0.0-2-g45278ab+04719a4bac,21.0.0-2-g5242d73+3ad5d60fb1,21.0.0-2-g7f82c8f+8babb168e8,21.0.0-2-g8f08a60+06509c8b61,21.0.0-2-g8faa9b5+616205b9df,21.0.0-2-ga326454+8babb168e8,21.0.0-2-gde069b7+5e4aea9c2f,21.0.0-2-gecfae73+1d3a86e577,21.0.0-2-gfc62afb+3ad5d60fb1,21.0.0-25-g1d57be3cd+e73869a214,21.0.0-3-g357aad2+ed88757d29,21.0.0-3-g4a4ce7f+3ad5d60fb1,21.0.0-3-g4be5c26+3ad5d60fb1,21.0.0-3-g65f322c+e0b24896a3,21.0.0-3-g7d9da8d+616205b9df,21.0.0-3-ge02ed75+a9c1acf22d,21.0.0-4-g591bb35+a9c1acf22d,21.0.0-4-g65b4814+b60e2d390c,21.0.0-4-gccdca77+0de219a2bc,21.0.0-4-ge8a399c+6c55c39e83,21.0.0-5-gd00fb1e+05fce91b99,21.0.0-6-gc675373+3ad5d60fb1,21.0.0-64-g1122c245+4fb2b8f86e,21.0.0-7-g04766d7+cd19d05db2,21.0.0-7-gdf92d54+04719a4bac,21.0.0-8-g5674e7b+d1bd76f71f,master-gac4afde19b+a9c1acf22d,w.2021.13
LSST Data Management Base Package
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Functions | |
def | noDistort (src) |
def | linearXDistort (src, frac=.001) |
def | quadraticDistortX (src, frac=1e-6) |
def | cubicDistortX (src, frac=1e-9) |
def | manyTermX (src, frac=1e-9) |
def | linearYDistort (src, frac=.001) |
def | quadraticDistortY (src, frac=1e-6) |
def | cubicDistortY (src, frac=1e-9) |
def | manyTermY (src, frac=1e-9) |
def | crossTerms1 (src, frac=1e-11) |
def | crossTerms2 (src, frac=1e-11) |
def | crossTerms3 (src, frac=1e-9) |
def | quadraticDistort (src, frac=1e-6) |
def | T2DistortX (src, frac=1e-6) |
def | distortList (srcList, function) |
def lsst.meas.astrom.sip.genDistortedImage.crossTerms1 | ( | src, | |
frac = 1e-11 |
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) |
Distort image Y by X, leaving X unchanged, 'x**3 - 2*x**2'. Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of Y changed
Definition at line 255 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.crossTerms2 | ( | src, | |
frac = 1e-11 |
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) |
Distort image X by Y, leaving Y unchanged, 'y**3 - 2*y**2 + 4*y - 9'. Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of X changed
Definition at line 280 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.crossTerms3 | ( | src, | |
frac = 1e-9 |
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) |
Distort image X and Y , 'dx=x**3 - 2*x**2 + 4*x - 9', 'dy=y**3 - 2*y**2 + 4*y - 9'. Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X and Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of X and Y changed
Definition at line 305 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.cubicDistortX | ( | src, | |
frac = 1e-9 |
|||
) |
Distort image by terms with power <=2 i.e y, y^2, x, xy, x^2 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of x changed
Definition at line 101 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.cubicDistortY | ( | src, | |
frac = 1e-9 |
|||
) |
Distort image by terms with power <=2 i.e y, y^2, x, xy, x^2 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of Y changed
Definition at line 203 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.distortList | ( | srcList, | |
function | |||
) |
Create a copy of srcList, and apply function to distort the values of x and y. Parameters ---------- srcList : `list` of `lsst.afw.table.SourceRecord` Input list of source to distort. function : `callable` A function that does a deep copy of a single Source Returns ------- out : `lsst.afw.table.SourceCatalog` Output catalog with distorted positions.
Definition at line 384 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.linearXDistort | ( | src, | |
frac = .001 |
|||
) |
Increase the x value in a Source object by frac. E.g src.x = 1000 --> 1001 if frac=.001 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of x changed
Definition at line 52 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.linearYDistort | ( | src, | |
frac = .001 |
|||
) |
Increase the y value in a Source object by frac. E.g src.x = 1000 --> 1001 if frac=.001 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of Y changed
Definition at line 154 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.manyTermX | ( | src, | |
frac = 1e-9 |
|||
) |
Distort image by multiple powers of x, 'x**3 - 2*x**2 + 4*x - 9'. Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of x changed
Definition at line 128 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.manyTermY | ( | src, | |
frac = 1e-9 |
|||
) |
Distort image by multiple terms of Y, 'y**3 - 2*y**2 + 4*y - 9'. Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of Y changed
Definition at line 230 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.noDistort | ( | src | ) |
Do no distortion. Used for sanity checking Parameters ---------- src : `lsst.afw.table.SourceRecord` Input record Returns ------- out : `lsst.afw.table.SourceRecord` Copy of input record.
Definition at line 34 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.quadraticDistort | ( | src, | |
frac = 1e-6 |
|||
) |
Distort image by terms with power <=2 i.e y, y^2, x, xy, x^2 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of X
Definition at line 332 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.quadraticDistortX | ( | src, | |
frac = 1e-6 |
|||
) |
Distort image by terms with power <=2 i.e y, y^2, x, xy, x^2 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of x changed
Definition at line 74 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.quadraticDistortY | ( | src, | |
frac = 1e-6 |
|||
) |
Distort image by terms with power <=2 i.e y, y^2, x, xy, x^2 Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change Y by Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of Y changed
Definition at line 176 of file genDistortedImage.py.
def lsst.meas.astrom.sip.genDistortedImage.T2DistortX | ( | src, | |
frac = 1e-6 |
|||
) |
Distort image by a 2nd order Cheby polynomial Parameters ---------- src : `lsst.afw.table.SourceRecord` A Source object frac : `float` How much to change X Returns ------- out : `lsst.afw.table.SourceRecord` A deep copy of src, with the value of X
Definition at line 361 of file genDistortedImage.py.