lsst.meas.algorithms  14.0-21-ge7d40960+4
KernelPsf.h
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23 #ifndef LSST_MEAS_ALGORITHMS_KernelPsf_h_INCLUDED
24 #define LSST_MEAS_ALGORITHMS_KernelPsf_h_INCLUDED
25 
27 
28 namespace lsst { namespace meas { namespace algorithms {
29 
33 class KernelPsf : public afw::table::io::PersistableFacade<KernelPsf>, public ImagePsf {
34 public:
35 
46  explicit KernelPsf(
47  afw::math::Kernel const & kernel,
49  );
50 
52  PTR(afw::math::Kernel const) getKernel() const { return _kernel; }
53 
55  virtual afw::geom::Point2D getAveragePosition() const;
56 
58  virtual PTR(afw::detection::Psf) clone() const;
59 
61  virtual PTR(afw::detection::Psf) resized(int width, int height) const;
62 
64  virtual bool isPersistable() const;
65 
66 protected:
67 
69  explicit KernelPsf(
70  PTR(afw::math::Kernel) kernel,
72  );
73 
74  // Name to use persist this object as (should be overridden by derived classes).
75  virtual std::string getPersistenceName() const;
76 
77  // Python module used in persistence to ensure factory is loaded.
78  virtual std::string getPythonModule() const;
79 
80  // Output persistence implementation (should be overridden by derived classes if they add data members).
81  virtual void write(OutputArchiveHandle & handle) const;
82 
83  // For access to protected ctor; avoids unnecessary copies when loading
84  template <typename T, typename K> friend class KernelPsfFactory;
85 
86 private:
87 
88  virtual PTR(Image) doComputeKernelImage(
89  afw::geom::Point2D const & position,
90  afw::image::Color const & color
91  ) const;
92 
93  virtual afw::geom::Box2I doComputeBBox(
94  afw::geom::Point2D const & position,
95  afw::image::Color const & color
96  ) const;
97 
98  PTR(afw::math::Kernel) _kernel;
99  afw::geom::Point2D _averagePosition;
100 };
101 
102 }}} // namespace lsst::meas::algorithms
103 
104 #endif // !LSST_MEAS_ALGORITHMS_KernelPsf_h_INCLUDED
virtual boost::shared_ptr< afw::detection::Psf > clone() const
Polymorphic deep copy.
Definition: KernelPsf.cc:28
A Psf defined by a Kernel.
Definition: KernelPsf.h:33
virtual std::string getPythonModule() const
Definition: KernelPsf.cc:60
#define PTR(...)
boost::shared_ptr< afw::math::Kernel const > getKernel() const
Return the Kernel used to define this Psf.
Definition: KernelPsf.h:52
STL class.
virtual boost::shared_ptr< afw::detection::Psf > resized(int width, int height) const
Return a clone with specified kernel dimensions.
Definition: KernelPsf.cc:30
KernelPsf(afw::math::Kernel const &kernel, afw::geom::Point2D const &averagePosition=afw::geom::Point2D())
Construct a KernelPsf with a clone of the given kernel.
Definition: KernelPsf.cc:22
virtual void write(OutputArchiveHandle &handle) const
Definition: KernelPsf.cc:62
virtual bool isPersistable() const
Whether this object is persistable; just delegates to the kernel.
Definition: KernelPsf.cc:56
io::OutputArchiveHandle OutputArchiveHandle
An intermediate base class for Psfs that use an image representation.
Definition: ImagePsf.h:37
tbl::PointKey< double > averagePosition
Definition: CoaddPsf.cc:362
A PersistableFactory for KernelPsf and its subclasses.
virtual std::string getPersistenceName() const
Definition: KernelPsf.cc:58
virtual afw::geom::Point2D getAveragePosition() const
Return average position of stars; used as default position.
Definition: KernelPsf.cc:33