LSST Applications 27.0.0,g0265f82a02+469cd937ee,g02d81e74bb+21ad69e7e1,g1470d8bcf6+cbe83ee85a,g2079a07aa2+e67c6346a6,g212a7c68fe+04a9158687,g2305ad1205+94392ce272,g295015adf3+81dd352a9d,g2bbee38e9b+469cd937ee,g337abbeb29+469cd937ee,g3939d97d7f+72a9f7b576,g487adcacf7+71499e7cba,g50ff169b8f+5929b3527e,g52b1c1532d+a6fc98d2e7,g591dd9f2cf+df404f777f,g5a732f18d5+be83d3ecdb,g64a986408d+21ad69e7e1,g858d7b2824+21ad69e7e1,g8a8a8dda67+a6fc98d2e7,g99cad8db69+f62e5b0af5,g9ddcbc5298+d4bad12328,ga1e77700b3+9c366c4306,ga8c6da7877+71e4819109,gb0e22166c9+25ba2f69a1,gb6a65358fc+469cd937ee,gbb8dafda3b+69d3c0e320,gc07e1c2157+a98bf949bb,gc120e1dc64+615ec43309,gc28159a63d+469cd937ee,gcf0d15dbbd+72a9f7b576,gdaeeff99f8+a38ce5ea23,ge6526c86ff+3a7c1ac5f1,ge79ae78c31+469cd937ee,gee10cc3b42+a6fc98d2e7,gf1cff7945b+21ad69e7e1,gfbcc870c63+9a11dc8c8f
LSST Data Management Base Package
|
A photometric transform, defined in terms of the input flux or magnitude. More...
#include <PhotometryTransform.h>
Public Member Functions | |
virtual double | transform (double x, double y, double value) const =0 |
Return the transform of value at (x,y). | |
double | transform (Point const &in, double value) const |
Return the transformed value at Point(x,y). | |
virtual double | transformError (double x, double y, double value, double valueErr) const =0 |
Return the transformed valueErr at Point(x,y). | |
double | transformError (Point const &in, double value, double valueErr) const |
Return the transformed valueErr at Point(x,y). | |
virtual void | print (std::ostream &out) const =0 |
Print the transform coefficients to stream. | |
virtual std::size_t | getNpar () const =0 |
Return the number of parameters (used to compute chisq) | |
virtual void | offsetParams (Eigen::VectorXd const &delta)=0 |
Offset the parameters by some (negative) amount during fitting. | |
virtual std::shared_ptr< PhotometryTransform > | clone () const =0 |
return a copy (allocated by new) of the transformation. | |
virtual void | computeParameterDerivatives (double x, double y, double value, Eigen::Ref< Eigen::VectorXd > derivatives) const =0 |
Compute the derivatives with respect to the parameters (i.e. | |
virtual Eigen::VectorXd | getParameters () const =0 |
Get a copy of the parameters of this model, in the same order as offsetParams . | |
virtual | ~PhotometryTransform ()=default |
Friends | |
std::ostream & | operator<< (std::ostream &s, PhotometryTransform const &transform) |
A photometric transform, defined in terms of the input flux or magnitude.
Unit agnostic: a higher level Model must keep track of the units going into and out of of its Transforms.
Definition at line 52 of file PhotometryTransform.h.
|
virtualdefault |
|
pure virtual |
return a copy (allocated by new) of the transformation.
Implemented in lsst::jointcal::FluxTransformSpatiallyInvariant, lsst::jointcal::MagnitudeTransformSpatiallyInvariant, lsst::jointcal::FluxTransformChebyshev, and lsst::jointcal::MagnitudeTransformChebyshev.
|
pure virtual |
Compute the derivatives with respect to the parameters (i.e.
the coefficients).
[in] | x | The x coordinate to compute at (in the appropriate units for this transform). |
[in] | y | The y coordinate to compute at (in the appropriate units for this transform). |
[in] | value | The instrument flux or magnitude to compute the derivative at. |
[out] | derivatives | The computed derivatives, in the same order as the deltas in offsetParams. |
Implemented in lsst::jointcal::FluxTransformSpatiallyInvariant, lsst::jointcal::MagnitudeTransformSpatiallyInvariant, lsst::jointcal::FluxTransformChebyshev, and lsst::jointcal::MagnitudeTransformChebyshev.
|
pure virtual |
Return the number of parameters (used to compute chisq)
Implemented in lsst::jointcal::PhotometryTransformSpatiallyInvariant, and lsst::jointcal::PhotometryTransformChebyshev.
|
pure virtual |
Get a copy of the parameters of this model, in the same order as offsetParams
.
Implemented in lsst::jointcal::PhotometryTransformSpatiallyInvariant, and lsst::jointcal::PhotometryTransformChebyshev.
|
pure virtual |
Offset the parameters by some (negative) amount during fitting.
Equivalent to flatten(parameters) -= delta
Ordering of delta is the same as the ordering of the derivatives returned from computeParameterDerivatives
.
Implemented in lsst::jointcal::PhotometryTransformSpatiallyInvariant, and lsst::jointcal::PhotometryTransformChebyshev.
|
pure virtual |
Print the transform coefficients to stream.
Implemented in lsst::jointcal::PhotometryTransformSpatiallyInvariant, and lsst::jointcal::PhotometryTransformChebyshev.
|
pure virtual |
Return the transform of value at (x,y).
Implemented in lsst::jointcal::MagnitudeTransformSpatiallyInvariant, lsst::jointcal::FluxTransformSpatiallyInvariant, lsst::jointcal::FluxTransformChebyshev, and lsst::jointcal::MagnitudeTransformChebyshev.
|
inline |
|
pure virtual |
Return the transformed valueErr at Point(x,y).
Implemented in lsst::jointcal::FluxTransformSpatiallyInvariant, lsst::jointcal::MagnitudeTransformSpatiallyInvariant, and lsst::jointcal::PhotometryTransformChebyshev.
|
inline |
Return the transformed valueErr at Point(x,y).
Definition at line 64 of file PhotometryTransform.h.
|
friend |
Definition at line 71 of file PhotometryTransform.h.