LSSTApplications
18.1.0
LSSTDataManagementBasePackage
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nth-order 2d Chebyshev photometry transform, plus the input flux. More...
#include <PhotometryTransform.h>
Public Member Functions | |
MagnitudeTransformChebyshev (size_t order, geom::Box2D const &bbox) | |
MagnitudeTransformChebyshev (ndarray::Array< double, 2, 2 > const &coefficients, geom::Box2D const &bbox) | |
double | transform (double x, double y, double value) const override |
Return the transform of value at (x,y). More... | |
void | computeParameterDerivatives (double x, double y, double value, Eigen::Ref< Eigen::VectorXd > derivatives) const override |
Compute the derivatives with respect to the parameters (i.e. More... | |
std::shared_ptr< PhotometryTransform > | clone () const override |
return a copy (allocated by new) of the transformation. More... | |
double | transformError (double x, double y, double value, double valueErr) const override |
Return the transformed valueErr at Point(x,y). More... | |
double | transformError (Point const &in, double value, double valueErr) const |
Return the transformed valueErr at Point(x,y). More... | |
void | dump (std::ostream &stream=std::cout) const override |
dumps the transform coefficients to stream. More... | |
std::size_t | getNpar () const override |
Return the number of parameters (used to compute chisq) More... | |
void | offsetParams (Eigen::VectorXd const &delta) override |
Offset the parameters by some (negative) amount during fitting. More... | |
ndarray::Array< double, 2, 2 > | getCoefficients () const |
Get a copy of the coefficients of the polynomials, as a 2d array (NOTE: layout is [y][x]) More... | |
Eigen::VectorXd | getParameters () const override |
Get a copy of the parameters of this model, in the same order as offsetParams . More... | |
ndarray::Size | getOrder () const |
geom::Box2D | getBBox () const |
double | mean (geom::Box2D const &bbox) const |
Compute the mean of this tranform on the bbox (default to our bbox). More... | |
double | mean () const |
double | integrate (geom::Box2D const &bbox) const |
double | integrate () const |
double | transform (Point const &in, double value) const |
Return the transformed value at Point(x,y). More... | |
Protected Member Functions | |
double | computeChebyshev (double x, double y) const |
Return the value of this polynomial at x,y. More... | |
void | computeChebyshevDerivatives (double x, double y, Eigen::Ref< Eigen::VectorXd > derivatives) const |
Set the derivatives of this polynomial at x,y. More... | |
nth-order 2d Chebyshev photometry transform, plus the input flux.
Definition at line 329 of file PhotometryTransform.h.
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inline |
Definition at line 331 of file PhotometryTransform.h.
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inline |
Definition at line 334 of file PhotometryTransform.h.
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inlineoverridevirtual |
return a copy (allocated by new) of the transformation.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 350 of file PhotometryTransform.h.
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protectedinherited |
Return the value of this polynomial at x,y.
For use in the sublcass transform() methods.
Definition at line 224 of file PhotometryTransform.cc.
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protectedinherited |
Set the derivatives of this polynomial at x,y.
For use in the sublcass computeParameterDerivatives() methods.
Definition at line 230 of file PhotometryTransform.cc.
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inlineoverridevirtual |
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. |
Implements lsst::jointcal::PhotometryTransform.
Definition at line 343 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
dumps the transform coefficients to stream.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 245 of file PhotometryTransform.h.
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inlineinherited |
Definition at line 261 of file PhotometryTransform.h.
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inlineinherited |
Get a copy of the coefficients of the polynomials, as a 2d array (NOTE: layout is [y][x])
Definition at line 254 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
Return the number of parameters (used to compute chisq)
Implements lsst::jointcal::PhotometryTransform.
Definition at line 248 of file PhotometryTransform.h.
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inlineinherited |
Definition at line 259 of file PhotometryTransform.h.
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overridevirtualinherited |
Get a copy of the parameters of this model, in the same order as offsetParams
.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 210 of file PhotometryTransform.cc.
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inherited |
Definition at line 181 of file PhotometryTransform.cc.
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inherited |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
Definition at line 193 of file PhotometryTransform.cc.
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inherited |
Compute the mean of this tranform on the bbox (default to our bbox).
Definition at line 204 of file PhotometryTransform.cc.
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inherited |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
Definition at line 208 of file PhotometryTransform.cc.
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overridevirtualinherited |
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
.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 107 of file PhotometryTransform.cc.
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inlineinherited |
Return the transformed value at Point(x,y).
Definition at line 58 of file PhotometryTransform.h.
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inlineoverridevirtual |
Return the transform of value at (x,y).
Implements lsst::jointcal::PhotometryTransform.
Definition at line 338 of file PhotometryTransform.h.
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inlineinherited |
Return the transformed valueErr at Point(x,y).
Definition at line 64 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
Return the transformed valueErr at Point(x,y).
Implements lsst::jointcal::PhotometryTransform.
Definition at line 242 of file PhotometryTransform.h.