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LSST Data Management Base Package
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Public Member Functions | |
__init__ (self, visitInfo, pupilSize, npix) | |
getPupil (self, point) | |
Public Attributes | |
visitInfo | |
pupilSize | |
npix | |
pupilScale | |
u | |
v | |
Protected Member Functions | |
_fullPupil (self) | |
_cutCircleInterior (self, pupil, p0, r) | |
_cutCircleExterior (self, pupil, p0, r) | |
_cutRay (self, pupil, p0, angle, thickness) | |
_centerPupil (self, pupil) | |
Static Protected Member Functions | |
_pointLineDistance (p0, p1, p2) | |
Pupil obscuration function factory for use with Fourier optics. Parameters ---------- visitInfo : `lsst.afw.image.VisitInfo` Visit information for a particular exposure. pupilSize : `float` Size in meters of constructed Pupil array. Note that this may be larger than the actual diameter of the illuminated pupil to accommodate zero-padding. npix : `int` Constructed Pupils will be npix x npix.
lsst.afw.cameraGeom.pupil.PupilFactory.__init__ | ( | self, | |
visitInfo, | |||
pupilSize, | |||
npix ) |
Definition at line 64 of file pupil.py.
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protected |
Center the illuminated portion of the pupil in array. Parameters ---------- pupil : `Pupil` Pupil to modify in place
Definition at line 178 of file pupil.py.
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protected |
Cut out the exterior of a circular region from a Pupil. Parameters ---------- pupil : `Pupil` Pupil to modify in place p0 : `pair`` of `float` 2-tuple indicating region center. r : `float` Circular region radius.
Definition at line 140 of file pupil.py.
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protected |
Cut out the interior of a circular region from a Pupil. Parameters ---------- pupil : `Pupil` Pupil to modify in place. p0 : `pair`` of `float` 2-tuple indicating region center. r : `float` Circular region radius.
Definition at line 125 of file pupil.py.
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protected |
Cut out a ray from a Pupil. Parameters ---------- pupil : `Pupil` Pupil to modify in place. p0 : `pair`` of `float` 2-tuple indicating ray starting point. angle : `pair` of `float` Ray angle measured CCW from +x. thickness : `float` Thickness of cutout.
Definition at line 155 of file pupil.py.
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protected |
Make a fully-illuminated Pupil. Returns ------- pupil : `Pupil` The illuminated pupil.
Definition at line 114 of file pupil.py.
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staticprotected |
Compute the right-angle distance between the points given by `p0` and the line that passes through `p1` and `p2`. Parameters ---------- p0 : `tuple` of `numpy.ndarray` 2-tuple of numpy arrays (x, y focal plane coordinates) p1 : ``pair`` of `float` x,y focal plane coordinates p2 : ``pair`` of `float` x,y focal plane coordinates Returns ------- distances : `numpy.ndarray` Numpy array of distances; shape congruent to p0[0].
Definition at line 89 of file pupil.py.
lsst.afw.cameraGeom.pupil.PupilFactory.getPupil | ( | self, | |
point ) |
Calculate a Pupil at a given point in the focal plane. Parameters ---------- point : `lsst.geom.Point2D` The focal plane coordinates. Returns ------- pupil : `Pupil` The Pupil at ``point``.
Definition at line 72 of file pupil.py.