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LSST Applications g013ef56533+63812263fb,g083dd6704c+a047e97985,g199a45376c+0ba108daf9,g1fd858c14a+fde7a7a78c,g210f2d0738+db0c280453,g262e1987ae+abed931625,g29ae962dfc+058d1915d8,g2cef7863aa+aef1011c0b,g35bb328faa+8c5ae1fdc5,g3fd5ace14f+64337f1634,g47891489e3+f459a6810c,g53246c7159+8c5ae1fdc5,g54cd7ddccb+890c8e1e5d,g5a60e81ecd+d9e514a434,g64539dfbff+db0c280453,g67b6fd64d1+f459a6810c,g6ebf1fc0d4+8c5ae1fdc5,g7382096ae9+36d16ea71a,g74acd417e5+c70e70fbf6,g786e29fd12+668abc6043,g87389fa792+8856018cbb,g89139ef638+f459a6810c,g8d7436a09f+1b779678e3,g8ea07a8fe4+81eaaadc04,g90f42f885a+34c0557caf,g97be763408+9583a964dd,g98a1a72a9c+028271c396,g98df359435+530b675b85,gb8cb2b794d+4e54f68785,gbf99507273+8c5ae1fdc5,gc2a301910b+db0c280453,gca7fc764a6+f459a6810c,gd7ef33dd92+f459a6810c,gdab6d2f7ff+c70e70fbf6,ge410e46f29+f459a6810c,ge41e95a9f2+db0c280453,geaed405ab2+e3b4b2a692,gf9a733ac38+8c5ae1fdc5,w.2025.43
LSST Data Management Base Package
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Public Member Functions | |
| __init__ (self, str pixelization, int pix_level, int pix_max_ranges) | |
| list[int] | pixels (self, sphgeom.Region region) |
| int | pixel (self, sphgeom.UnitVector3d direction) |
| sphgeom.Region | region (self, int pixel) |
| list[tuple[int, int]] | envelope (self, sphgeom.Region region) |
Public Attributes | |
| pixelator = sphgeom.HtmPixelization(pix_level) | |
Protected Attributes | |
| int | _pix_max_ranges = pix_max_ranges |
| bool | _is_healpix = False |
Wrapper for pixelization classes from `sphgeom` with configurable
pixelization type and parameters.
Parameters
----------
pixelization : `str`
Name of a pixelization type, one of ""htm", "q3c", "mq3c", or
"healpix".
pix_level : `int`
Pixelization level.
pix_max_ranges : `int`
Maximum number of ranges returned from `envelope()` method.
Definition at line 33 of file pixelization.py.
| lsst.dax.apdb.pixelization.Pixelization.__init__ | ( | self, | |
| str | pixelization, | ||
| int | pix_level, | ||
| int | pix_max_ranges ) |
Definition at line 48 of file pixelization.py.
| list[tuple[int, int]] lsst.dax.apdb.pixelization.Pixelization.envelope | ( | self, | |
| sphgeom.Region | region ) |
Generate a set of HTM indices covering specified region.
Parameters
----------
region: `sphgeom.Region`
Region that needs to be indexed.
Returns
-------
ranges : `list` of `tuple`
Sequence of ranges, range is a tuple (minHtmID, maxHtmID).
Definition at line 107 of file pixelization.py.
| int lsst.dax.apdb.pixelization.Pixelization.pixel | ( | self, | |
| sphgeom.UnitVector3d | direction ) |
Compute the index of the pixel for given direction. Parameters ---------- direction : `lsst.sphgeom.UnitVector3d`
Definition at line 81 of file pixelization.py.
| list[int] lsst.dax.apdb.pixelization.Pixelization.pixels | ( | self, | |
| sphgeom.Region | region ) |
Compute set of the pixel indices for given region. Parameters ---------- region : `lsst.sphgeom.Region`
Definition at line 66 of file pixelization.py.
| sphgeom.Region lsst.dax.apdb.pixelization.Pixelization.region | ( | self, | |
| int | pixel ) |
Return region corresponding to a pixel index.
Parameters
----------
pixel : `int`
Pixel index.
Returns
-------
region : `lsst.sphgeom.Region`
Region for a given pixel index.
Definition at line 91 of file pixelization.py.
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protected |
Definition at line 50 of file pixelization.py.
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protected |
Definition at line 49 of file pixelization.py.
| lsst.dax.apdb.pixelization.Pixelization.pixelator = sphgeom.HtmPixelization(pix_level) |
Definition at line 53 of file pixelization.py.