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LSSTDataManagementBasePackage
Public Member Functions | Static Public Member Functions | Public Attributes | Protected Types | Protected Member Functions | Static Protected Member Functions | Related Functions | List of all members
lsst::afw::image::CoaddInputs Class Referencefinal

A simple Persistable struct containing ExposureCatalogs that record the inputs to a coadd. More...

#include <CoaddInputs.h>

Inheritance diagram for lsst::afw::image::CoaddInputs:
lsst::afw::table::io::PersistableFacade< CoaddInputs > lsst::afw::typehandling::Storable lsst::afw::table::io::Persistable

Public Member Functions

 CoaddInputs ()
 Default constructor. More...
 
 CoaddInputs (table::Schema const &visitSchema, table::Schema const &ccdSchema)
 Construct new catalogs from the given schemas. More...
 
 CoaddInputs (table::ExposureCatalog const &visits_, table::ExposureCatalog const &ccds_)
 Construct from shallow copies of the given catalogs. More...
 
 CoaddInputs (CoaddInputs const &)
 
 CoaddInputs (CoaddInputs &&)
 
CoaddInputsoperator= (CoaddInputs const &)
 
CoaddInputsoperator= (CoaddInputs &&)
 
 ~CoaddInputs () override
 
bool isPersistable () const noexcept override
 Whether the object is in fact persistable - in this case, always true. More...
 
std::shared_ptr< typehandling::StorablecloneStorable () const override
 Create a new CoaddInputs that is a copy of this one. More...
 
virtual std::string toString () const
 Create a string representation of this object (optional operation). More...
 
virtual std::size_t hash_value () const
 Return a hash of this object (optional operation). More...
 
virtual bool equals (Storable const &other) const noexcept
 Compare this object to another Storable. More...
 
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...
 

Static Public Member Functions

static std::shared_ptr< CoaddInputsreadFits (fits::Fits &fitsfile)
 Read an object from an already open FITS object. More...
 
static std::shared_ptr< CoaddInputsreadFits (std::string const &fileName, int hdu=fits::DEFAULT_HDU)
 Read an object from a regular FITS file. More...
 
static std::shared_ptr< CoaddInputsreadFits (fits::MemFileManager &manager, int hdu=fits::DEFAULT_HDU)
 Read an object from a FITS file in memory. More...
 
static std::shared_ptr< CoaddInputsdynamicCast (std::shared_ptr< Persistable > const &ptr)
 Dynamically cast a shared_ptr. More...
 

Public Attributes

table::ExposureCatalog visits
 
table::ExposureCatalog ccds
 

Protected Types

typedef io::OutputArchiveHandle OutputArchiveHandle
 

Protected Member Functions

std::string getPersistenceName () const override
 Return the unique name used to persist this object and look up its factory. More...
 
std::string getPythonModule () const override
 Return the fully-qualified Python module that should be imported to guarantee that its factory is registered. More...
 
void write (OutputArchiveHandle &handle) const override
 Write the object to one or more catalogs. More...
 

Static Protected Member Functions

template<class T >
static bool singleClassEquals (T const &lhs, Storable const &rhs)
 Test if a Storable is of a particular class and equal to another object. More...
 

Related Functions

(Note that these are not member functions.)

std::ostreamoperator<< (std::ostream &os, Storable const &storable)
 Output operator for Storable. More...
 

Detailed Description

A simple Persistable struct containing ExposureCatalogs that record the inputs to a coadd.

The visits catalog corresponds to what task code refers to as coaddTempExps, while the ccds catalog corresponds to individual input CCD images (calexps), and has a "visitId" column that points back to the visits catalog.

The records in the visits catalog will all have the same Wcs as the coadd, as they represent images that have already been warped to the coadd frame. Regardless of whether or not the coadd is PSF-matched, the visit record Psf will generally be CoaddPsfs (albeit single-depth ones, so they simply pick out the single non-coadd-Psf that is valid for each point).

Definition at line 49 of file CoaddInputs.h.

Member Typedef Documentation

◆ OutputArchiveHandle

typedef io::OutputArchiveHandle lsst::afw::table::io::Persistable::OutputArchiveHandle
protectedinherited

Definition at line 108 of file Persistable.h.

Constructor & Destructor Documentation

◆ CoaddInputs() [1/5]

lsst::afw::image::CoaddInputs::CoaddInputs ( )

Default constructor.

This simply calls the Catalog default constructors, which means the catalogs have no associated Table and hence cannot be used for anything until a valid Catalog is assigned to them.

Definition at line 57 of file CoaddInputs.cc.

57 : visits(), ccds() {}

◆ CoaddInputs() [2/5]

lsst::afw::image::CoaddInputs::CoaddInputs ( table::Schema const &  visitSchema,
table::Schema const &  ccdSchema 
)

Construct new catalogs from the given schemas.

Definition at line 59 of file CoaddInputs.cc.

60  : visits(visitSchema), ccds(ccdSchema) {}

◆ CoaddInputs() [3/5]

lsst::afw::image::CoaddInputs::CoaddInputs ( table::ExposureCatalog const &  visits_,
table::ExposureCatalog const &  ccds_ 
)

Construct from shallow copies of the given catalogs.

Definition at line 62 of file CoaddInputs.cc.

63  : visits(visits_), ccds(ccds_) {}

◆ CoaddInputs() [4/5]

lsst::afw::image::CoaddInputs::CoaddInputs ( CoaddInputs const &  )
default

◆ CoaddInputs() [5/5]

lsst::afw::image::CoaddInputs::CoaddInputs ( CoaddInputs &&  )
default

◆ ~CoaddInputs()

lsst::afw::image::CoaddInputs::~CoaddInputs ( )
overridedefault

Member Function Documentation

◆ cloneStorable()

std::shared_ptr< typehandling::Storable > lsst::afw::image::CoaddInputs::cloneStorable ( ) const
overridevirtual

Create a new CoaddInputs that is a copy of this one.

Reimplemented from lsst::afw::typehandling::Storable.

Definition at line 73 of file CoaddInputs.cc.

73  {
74  return std::make_unique<CoaddInputs>(*this);
75 }

◆ dynamicCast()

Dynamically cast a shared_ptr.

Dynamically cast a shared pointer and raise on failure.

You must provide an explicit template instantiation in the .cc file for each class that inherits from PersistableFacade. Designed to work around RTTI issues on macOS with hidden symbols;

Exceptions
lsst::pex::exceptions::LogicErrorif the cast fails

param[in] ptr The pointer to be cast.

Returns
The cast pointer.
Exceptions
lsst::pex::exceptions::TypeErrorIf the dynamic cast fails.

Definition at line 218 of file Persistable.cc.

18  {
19  auto result = std::dynamic_pointer_cast<T>(ptr);
20  if (!result) {
21  throw LSST_EXCEPT(pex::exceptions::TypeError, "Dynamic pointer cast failed");
22  }
23  return result;
24 }

◆ equals()

bool lsst::afw::typehandling::Storable::equals ( Storable const &  other) const
virtualnoexceptinherited

Compare this object to another Storable.

Subclasses that implement equality comparison must override this method to give results consistent with operator== for all inputs that are accepted by both.

Returns
This implementation returns whether the two objects are the same.
Warning
This method compares an object to any type of Storable, although cross-class comparisons should usually return false. If cross-class comparisons are valid, implementers should take care that they are symmetric and will give the same result no matter what the compile-time types of the left- and right-hand sides are.
See also
singleClassEquals
Note
When called on Python classes, this method delegates to __eq__ if it exists.

Reimplemented in lsst::afw::image::PhotoCalib, lsst::afw::geom::SkyWcs, lsst::afw::geom::polygon::Polygon, lsst::afw::image::Filter, lsst::afw::image::VisitInfo, and lsst::afw::typehandling::StorableHelper< Base >.

Definition at line 48 of file Storable.cc.

48 { return this == &other; }

◆ getPersistenceName()

std::string lsst::afw::image::CoaddInputs::getPersistenceName ( ) const
overrideprotectedvirtual

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::afw::table::io::Persistable.

Definition at line 77 of file CoaddInputs.cc.

77 { return "CoaddInputs"; }

◆ getPythonModule()

std::string lsst::afw::image::CoaddInputs::getPythonModule ( ) const
overrideprotectedvirtual

Return the fully-qualified Python module that should be imported to guarantee that its factory is registered.

Must be less than ArchiveIndexSchema::MAX_MODULE_LENGTH characters.

Will be ignored if empty.

Reimplemented from lsst::afw::table::io::Persistable.

Definition at line 79 of file CoaddInputs.cc.

79 { return "lsst.afw.image"; }

◆ hash_value()

std::size_t lsst::afw::typehandling::Storable::hash_value ( ) const
virtualinherited

Return a hash of this object (optional operation).

Exceptions
UnsupportedOperationExceptionThrown if this object is not hashable.
Note
C++ subclass authors are responsible for any associated specializations of std::hash.
When called on Python classes, this method delegates to __hash__ if it exists.

Reimplemented in lsst::afw::typehandling::StorableHelper< Base >, lsst::afw::image::Filter, lsst::afw::geom::polygon::Polygon, and lsst::afw::image::VisitInfo.

Definition at line 44 of file Storable.cc.

44  {
45  throw LSST_EXCEPT(UnsupportedOperationException, "Hashes are not supported.");
46 }

◆ isPersistable()

bool lsst::afw::image::CoaddInputs::isPersistable ( ) const
overridevirtualnoexcept

Whether the object is in fact persistable - in this case, always true.

To avoid letting coadd provenance prevent coadd code from running, if a nested Wcs or Psf is not persistable, it will silently not be saved, instead of throwing an exception.

Reimplemented from lsst::afw::table::io::Persistable.

Definition at line 71 of file CoaddInputs.cc.

71 { return true; }

◆ operator=() [1/2]

CoaddInputs & lsst::afw::image::CoaddInputs::operator= ( CoaddInputs &&  )
default

◆ operator=() [2/2]

CoaddInputs & lsst::afw::image::CoaddInputs::operator= ( CoaddInputs const &  )
default

◆ readFits() [1/3]

static std::shared_ptr<CoaddInputs > lsst::afw::table::io::PersistableFacade< CoaddInputs >::readFits ( fits::Fits fitsfile)
inlinestaticinherited

Read an object from an already open FITS object.

Parameters
[in]fitsfileFITS object to read from, already positioned at the desired HDU.

Definition at line 183 of file Persistable.h.

183  {
184  return dynamicCast(Persistable::_readFits(fitsfile));
185  }

◆ readFits() [2/3]

static std::shared_ptr<CoaddInputs > lsst::afw::table::io::PersistableFacade< CoaddInputs >::readFits ( fits::MemFileManager manager,
int  hdu = fits::DEFAULT_HDU 
)
inlinestaticinherited

Read an object from a FITS file in memory.

Parameters
[in]managerManager for the memory to read from.
[in]hduHDU to read, where 0 is the primary. The special value of afw::fits::DEFAULT_HDU skips the primary HDU if it is empty.

Definition at line 205 of file Persistable.h.

205  {
206  return dynamicCast(Persistable::_readFits(manager, hdu));
207  }

◆ readFits() [3/3]

static std::shared_ptr<CoaddInputs > lsst::afw::table::io::PersistableFacade< CoaddInputs >::readFits ( std::string const &  fileName,
int  hdu = fits::DEFAULT_HDU 
)
inlinestaticinherited

Read an object from a regular FITS file.

Parameters
[in]fileNameName of the file to read.
[in]hduHDU to read, where 0 is the primary. The special value of afw::fits::DEFAULT_HDU skips the primary HDU if it is empty.

Definition at line 194 of file Persistable.h.

194  {
195  return dynamicCast(Persistable::_readFits(fileName, hdu));
196  }

◆ singleClassEquals()

template<class T >
static bool lsst::afw::typehandling::Storable::singleClassEquals ( T const &  lhs,
Storable const &  rhs 
)
inlinestaticprotectedinherited

Test if a Storable is of a particular class and equal to another object.

This method template simplifies implementations of equals that delegate to operator== without supporting cross-class comparisons.

Template Parameters
TThe class expected of the two objects to be compared.
Parameters
lhs,rhsThe objects to compare. Note that rhs need not be a T, while lhs must be.
Returns
true if rhs is a T and lhs == rhs; false otherwise.
Exception Safety\n Provides the same level of exception safety as operator==.
Most implementations of operator== do not throw.
Note
This method template calls operator== with both arguments of compile-time type T const&. Its use is not recommended if there would be any ambiguity as to which operator== gets picked by overload resolution.

This method template is typically called from equals as:

bool MyType::equals(Storable const& other) const noexcept {
    return singleClassEquals(*this, other);
}

Definition at line 151 of file Storable.h.

151  {
152  auto typedRhs = dynamic_cast<T const*>(&rhs);
153  if (typedRhs != nullptr) {
154  return lhs == *typedRhs;
155  } else {
156  return false;
157  }
158  }

◆ toString()

std::string lsst::afw::typehandling::Storable::toString ( ) const
virtualinherited

Create a string representation of this object (optional operation).

Exceptions
UnsupportedOperationExceptionThrown if this object does not have a string representation.
Note
When called on Python classes, this method delegates to __repr__.

Reimplemented in lsst::afw::image::PhotoCalib, lsst::afw::geom::SkyWcs, lsst::afw::geom::polygon::Polygon, lsst::afw::image::VisitInfo, and lsst::afw::typehandling::StorableHelper< Base >.

Definition at line 40 of file Storable.cc.

40  {
41  throw LSST_EXCEPT(UnsupportedOperationException, "No string representation available.");
42 }

◆ write()

void lsst::afw::image::CoaddInputs::write ( OutputArchiveHandle handle) const
overrideprotectedvirtual

Write the object to one or more catalogs.

The handle object passed to this function provides an interface for adding new catalogs and adding nested objects to the same archive (while checking for duplicates). See OutputArchiveHandle for more information.

Reimplemented from lsst::afw::table::io::Persistable.

Definition at line 81 of file CoaddInputs.cc.

81  {
82  visits.writeToArchive(handle, true); // true == permissive - just ignore Psfs, Wcss that can't be saved
83  ccds.writeToArchive(handle, true);
84 }

◆ writeFits() [1/3]

void lsst::afw::table::io::Persistable::writeFits ( fits::Fits fitsfile) const
inherited

Write the object to an already-open FITS object.

Parameters
[in]fitsfileOpen FITS object to write to.

Definition at line 18 of file Persistable.cc.

18  {
19  OutputArchive archive;
20  archive.put(this);
21  archive.writeFits(fitsfile);
22 }

◆ writeFits() [2/3]

void lsst::afw::table::io::Persistable::writeFits ( fits::MemFileManager manager,
std::string const &  mode = "w" 
) const
inherited

Write the object to a FITS image in memory.

Parameters
[in]managerName of the file to write to.
[in]modeIf "w", any existing file with the given name will be overwritten. If "a", new HDUs will be appended to an existing file.

Definition at line 29 of file Persistable.cc.

29  {
30  fits::Fits fitsfile(manager, mode, fits::Fits::AUTO_CLOSE | fits::Fits::AUTO_CHECK);
31  writeFits(fitsfile);
32 }

◆ writeFits() [3/3]

void lsst::afw::table::io::Persistable::writeFits ( std::string const &  fileName,
std::string const &  mode = "w" 
) const
inherited

Write the object to a regular FITS file.

Parameters
[in]fileNameName of the file to write to.
[in]modeIf "w", any existing file with the given name will be overwritten. If "a", new HDUs will be appended to an existing file.

Definition at line 24 of file Persistable.cc.

24  {
25  fits::Fits fitsfile(fileName, mode, fits::Fits::AUTO_CLOSE | fits::Fits::AUTO_CHECK);
26  writeFits(fitsfile);
27 }

Friends And Related Function Documentation

◆ operator<<()

std::ostream & operator<< ( std::ostream os,
Storable const &  storable 
)
related

Output operator for Storable.

Parameters
osthe desired output stream
storablethe object to print
Returns
a reference to os
Exceptions
UnsupportedOperationExceptionThrown if storable does not have an implementation of Storable::toString.

Definition at line 174 of file Storable.h.

174  {
175  return os << storable.toString();
176 }

Member Data Documentation

◆ ccds

table::ExposureCatalog lsst::afw::image::CoaddInputs::ccds

Definition at line 52 of file CoaddInputs.h.

◆ visits

table::ExposureCatalog lsst::afw::image::CoaddInputs::visits

Definition at line 51 of file CoaddInputs.h.


The documentation for this class was generated from the following files:
lsst::afw::table::io::Persistable::writeFits
void writeFits(std::string const &fileName, std::string const &mode="w") const
Write the object to a regular FITS file.
Definition: Persistable.cc:24
lsst::afw::image::CoaddInputs::visits
table::ExposureCatalog visits
Definition: CoaddInputs.h:51
lsst::afw::fits::Fits::AUTO_CHECK
@ AUTO_CHECK
Definition: fits.h:308
lsst::afw::fits::Fits::AUTO_CLOSE
@ AUTO_CLOSE
Definition: fits.h:307
other
ItemVariant const * other
Definition: Schema.cc:56
ptr
uint64_t * ptr
Definition: RangeSet.cc:88
result
py::object result
Definition: _schema.cc:429
LSST_EXCEPT
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
os
std::ostream * os
Definition: Schema.cc:746
lsst::afw::image::CoaddInputs::ccds
table::ExposureCatalog ccds
Definition: CoaddInputs.h:52
lsst::afw::table::io::PersistableFacade< CoaddInputs >::dynamicCast
static std::shared_ptr< CoaddInputs > dynamicCast(std::shared_ptr< Persistable > const &ptr)
Dynamically cast a shared_ptr.
Definition: Persistable.cc:18
lsst::afw::table::ExposureCatalogT::writeToArchive
void writeToArchive(io::OutputArchiveHandle &handle, bool ignoreUnpersistable=true) const
Convenience output function for Persistables that contain an ExposureCatalog.
Definition: Exposure.cc:444