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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.