LSSTApplications
10.0-2-g4f67435,11.0.rc2+1,11.0.rc2+12,11.0.rc2+3,11.0.rc2+4,11.0.rc2+5,11.0.rc2+6,11.0.rc2+7,11.0.rc2+8
LSSTDataManagementBasePackage
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Represent a PSF as a linear combination of PCA (== Karhunen-Loeve) basis functions. More...
#include <PcaPsf.h>
Public Member Functions | |
PcaPsf (boost::shared_ptr< afw::math::LinearCombinationKernel > kernel, afw::geom::Point2D const &averagePosition=afw::geom::Point2D()) | |
Constructor for a PcaPsf. More... | |
virtual boost::shared_ptr < afw::detection::Psf > | clone () const |
Polymorphic deep copy; should usually be unnecessary as Psfs are immutable.x. More... | |
boost::shared_ptr < afw::math::LinearCombinationKernel const > | getKernel () const |
PcaPsf always has a LinearCombinationKernel, so we can override getKernel to make it more useful. More... | |
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KernelPsf (afw::math::Kernel const &kernel, afw::geom::Point2D const &averagePosition=afw::geom::Point2D()) | |
Construct a KernelPsf with a clone of the given kernel. More... | |
boost::shared_ptr < afw::math::Kernel const > | getKernel () const |
Return the Kernel used to define this Psf. More... | |
virtual afw::geom::Point2D | getAveragePosition () const |
Return average position of stars; used as default position. More... | |
virtual bool | isPersistable () const |
Whether this object is persistable; just delegates to the kernel. More... | |
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virtual | ~Psf () |
boost::shared_ptr< Image > | computeImage (geom::Point2D position=makeNullPoint(), image::Color color=image::Color(), ImageOwnerEnum owner=COPY) const |
Return an Image of the PSF, in a form that can be compared directly with star images. More... | |
boost::shared_ptr< Image > | computeKernelImage (geom::Point2D position=makeNullPoint(), image::Color color=image::Color(), ImageOwnerEnum owner=COPY) const |
Return an Image of the PSF, in a form suitable for convolution. More... | |
double | computePeak (geom::Point2D position=makeNullPoint(), image::Color color=image::Color()) const |
Return the peak value of the PSF image. More... | |
double | computeApertureFlux (double radius, geom::Point2D position=makeNullPoint(), image::Color color=image::Color()) const |
Compute the "flux" of the Psf model within a circular aperture of the given radius. More... | |
geom::ellipses::Quadrupole | computeShape (geom::Point2D position=makeNullPoint(), image::Color color=image::Color()) const |
Compute the ellipse corresponding to the second moments of the Psf. More... | |
boost::shared_ptr < math::Kernel const > | getLocalKernel (geom::Point2D position=makeNullPoint(), image::Color color=image::Color()) const |
Return a FixedKernel corresponding to the Psf image at the given point. More... | |
image::Color | getAverageColor () const |
Return the average Color of the stars used to construct the Psf. More... | |
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Citizen (const std::type_info &) | |
Citizen (Citizen const &) | |
~Citizen () | |
Citizen & | operator= (Citizen const &) |
std::string | repr () const |
Return a string representation of a Citizen. More... | |
void | markPersistent (void) |
Mark a Citizen as persistent and not destroyed until process end. More... | |
memId | getId () const |
Return the Citizen's ID. More... | |
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Persistable (void) | |
virtual | ~Persistable (void) |
template<class Archive > | |
void | serialize (Archive &, unsigned int const) |
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void | writeFits (std::string const &fileName, std::string const &mode="w") const |
Write the object to a regular FITS file. More... | |
void | writeFits (fits::MemFileManager &manager, std::string const &mode="w") const |
Write the object to a FITS image in memory. More... | |
void | writeFits (fits::Fits &fitsfile) const |
Write the object to an already-open FITS object. More... | |
virtual | ~Persistable () |
Private Member Functions | |
virtual std::string | getPersistenceName () const |
Return the unique name used to persist this object and look up its factory. More... | |
template<class Archive > | |
void | serialize (Archive &, unsigned int const) |
Friends | |
class | boost::serialization::access |
Additional Inherited Members | |
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enum | ImageOwnerEnum { COPY =0, INTERNAL =1 } |
Enum passed to computeImage and computeKernelImage to determine image ownership. More... | |
typedef boost::shared_ptr< Psf > | Ptr |
typedef boost::shared_ptr < const Psf > | ConstPtr |
typedef math::Kernel::Pixel | Pixel |
Pixel type of Image returned by computeImage. More... | |
typedef image::Image< Pixel > | Image |
Image type returned by computeImage. More... | |
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enum | { magicSentinel = 0xdeadbeef } |
typedef unsigned long | memId |
Type of the block's ID. More... | |
typedef memId(* | memNewCallback )(const memId cid) |
A function used to register a callback. More... | |
typedef memId(* | memCallback )(const Citizen *ptr) |
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typedef boost::shared_ptr < Persistable > | Ptr |
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static boost::shared_ptr< PcaPsf > | readFits (fits::Fits &fitsfile) |
Read an object from an already open FITS object. More... | |
static boost::shared_ptr< PcaPsf > | readFits (std::string const &fileName, int hdu=0) |
Read an object from a regular FITS file. More... | |
static boost::shared_ptr< PcaPsf > | readFits (fits::MemFileManager &manager, int hdu=0) |
Read an object from a FITS file in memory. More... | |
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static boost::shared_ptr < KernelPsf > | readFits (fits::Fits &fitsfile) |
Read an object from an already open FITS object. More... | |
static boost::shared_ptr < KernelPsf > | readFits (std::string const &fileName, int hdu=0) |
Read an object from a regular FITS file. More... | |
static boost::shared_ptr < KernelPsf > | readFits (fits::MemFileManager &manager, int hdu=0) |
Read an object from a FITS file in memory. More... | |
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static boost::shared_ptr < ImagePsf > | readFits (fits::Fits &fitsfile) |
Read an object from an already open FITS object. More... | |
static boost::shared_ptr < ImagePsf > | readFits (std::string const &fileName, int hdu=0) |
Read an object from a regular FITS file. More... | |
static boost::shared_ptr < ImagePsf > | readFits (fits::MemFileManager &manager, int hdu=0) |
Read an object from a FITS file in memory. More... | |
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static boost::shared_ptr< Image > | recenterKernelImage (boost::shared_ptr< Image > im, geom::Point2D const &position, std::string const &warpAlgorithm="lanczos5", unsigned int warpBuffer=5) |
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static bool | hasBeenCorrupted () |
Check all allocated blocks for corruption. More... | |
static memId | getNextMemId () |
Return the memId of the next object to be allocated. More... | |
static int | init () |
Called once when the memory system is being initialised. More... | |
static int | census (int, memId startingMemId=0) |
How many active Citizens are there? More... | |
static void | census (std::ostream &stream, memId startingMemId=0) |
Print a list of all active Citizens to stream, sorted by ID. More... | |
static const std::vector < const Citizen * > * | census () |
Return a (newly allocated) std::vector of active Citizens sorted by ID. More... | |
static memId | setNewCallbackId (memId id) |
Call the NewCallback when block is allocated. More... | |
static memId | setDeleteCallbackId (memId id) |
Call the current DeleteCallback when block is deleted. More... | |
static memNewCallback | setNewCallback (memNewCallback func) |
Set the NewCallback function. More... | |
static memCallback | setDeleteCallback (memCallback func) |
Set the DeleteCallback function. More... | |
static memCallback | setCorruptionCallback (memCallback func) |
Set the CorruptionCallback function. More... | |
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static boost::shared_ptr< Psf > | readFits (fits::Fits &fitsfile) |
Read an object from an already open FITS object. More... | |
static boost::shared_ptr< Psf > | readFits (std::string const &fileName, int hdu=0) |
Read an object from a regular FITS file. More... | |
static boost::shared_ptr< Psf > | readFits (fits::MemFileManager &manager, int hdu=0) |
Read an object from a FITS file in memory. More... | |
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typedef io::OutputArchiveHandle | OutputArchiveHandle |
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KernelPsf (boost::shared_ptr< afw::math::Kernel > kernel, afw::geom::Point2D const &averagePosition=afw::geom::Point2D()) | |
Construct a KernelPsf with the given kernel; it should not be modified afterwards. More... | |
virtual std::string | getPythonModule () const |
Return the fully-qualified Python module that should be imported to guarantee that its factory is registered. More... | |
virtual void | write (OutputArchiveHandle &handle) const |
Write the object to one or more catalogs. More... | |
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ImagePsf (bool isFixed=false) | |
virtual double | doComputeApertureFlux (double radius, afw::geom::Point2D const &position, afw::image::Color const &color) const |
virtual afw::geom::ellipses::Quadrupole | doComputeShape (afw::geom::Point2D const &position, afw::image::Color const &color) const |
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Psf (bool isFixed=false) | |
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Persistable () | |
Persistable (Persistable const &other) | |
void | operator= (Persistable const &other) |
Represent a PSF as a linear combination of PCA (== Karhunen-Loeve) basis functions.
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explicit |
Constructor for a PcaPsf.
[in] | kernel | Kernel that defines the Psf. |
[in] | averagePosition | Average position of stars used to construct the Psf. |
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virtual |
Polymorphic deep copy; should usually be unnecessary as Psfs are immutable.x.
Reimplemented from lsst::meas::algorithms::KernelPsf.
boost::shared_ptr< afw::math::LinearCombinationKernel const > lsst::meas::algorithms::PcaPsf::getKernel | ( | ) | const |
PcaPsf always has a LinearCombinationKernel, so we can override getKernel to make it more useful.
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inlineprivatevirtual |
Return the unique name used to persist this object and look up its factory.
Must be less than ArchiveIndexSchema::MAX_NAME_LENGTH characters.
Reimplemented from lsst::meas::algorithms::KernelPsf.
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inlineprivate |
Definition at line 62 of file PcaPsf.h.