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LSST Data Management Base Package
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Photometric offset independent of position, defined as -2.5 * log(flux / fluxMag0). More...
#include <PhotometryTransform.h>
Public Member Functions | |
MagnitudeTransformSpatiallyInvariant (double value=0) | |
double | transform (double x, double y, double mag) const override |
Return the transform of value at (x,y). | |
double | transformError (double x, double y, double value, double valueErr) const override |
Return the transformed valueErr at Point(x,y). | |
std::shared_ptr< PhotometryTransform > | clone () const override |
return a copy (allocated by new) of the transformation. | |
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. | |
void | print (std::ostream &out) const override |
Print the transform coefficients to stream. | |
std::size_t | getNpar () const override |
Return the number of parameters (used to compute chisq) | |
void | offsetParams (Eigen::VectorXd const &delta) override |
Offset the parameters by some (negative) amount during fitting. | |
Eigen::VectorXd | getParameters () const override |
Get a copy of the parameters of this model, in the same order as offsetParams . | |
double | transform (Point const &in, double value) const |
Return the transformed value at Point(x,y). | |
double | transformError (Point const &in, double value, double valueErr) const |
Return the transformed valueErr at Point(x,y). | |
Protected Member Functions | |
double | getValue () const |
Photometric offset independent of position, defined as -2.5 * log(flux / fluxMag0).
initialMagnitude + SpatiallyInvariantTransform -> correctedMagnitude
Definition at line 179 of file PhotometryTransform.h.
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inlineexplicit |
Definition at line 181 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 193 of file PhotometryTransform.h.
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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 198 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 121 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
Get a copy of the parameters of this model, in the same order as offsetParams
.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 127 of file PhotometryTransform.h.
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inlineprotectedinherited |
Definition at line 134 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
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
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Implements lsst::jointcal::PhotometryTransform.
Definition at line 124 of file PhotometryTransform.h.
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inlineoverridevirtualinherited |
Print the transform coefficients to stream.
Implements lsst::jointcal::PhotometryTransform.
Definition at line 116 of file PhotometryTransform.h.
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inlineoverridevirtual |
Return the transform of value at (x,y).
Implements lsst::jointcal::PhotometryTransform.
Definition at line 185 of file PhotometryTransform.h.
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inlineinherited |
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inlineoverridevirtual |
Return the transformed valueErr at Point(x,y).
Implements lsst::jointcal::PhotometryTransform.
Definition at line 188 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.