25 #ifndef LSST_JOINTCAL_PHOTOMETRY_MODEL_H 26 #define LSST_JOINTCAL_PHOTOMETRY_MODEL_H 65 virtual void offsetParams(Eigen::VectorXd
const &delta) = 0;
135 Eigen::VectorXd &derivatives)
const = 0;
218 #endif // LSST_JOINTCAL_PHOTOMETRY_MODEL_H Objects used as position anchors, typically USNO stars.
virtual unsigned assignIndices(std::string const &whatToFit, unsigned firstIndex)=0
Assign indices in the full matrix to the parameters being fit in the mappings, starting at firstIndex...
virtual double transformError(CcdImage const &ccdImage, MeasuredStar const &measuredStar) const =0
Return the on-sky transformed flux uncertainty for measuredStar on ccdImage.
PhotometryModel(LOG_LOGGER log, double errorPedestal_=0)
virtual double computeResidual(CcdImage const &ccdImage, MeasuredStar const &measuredStar) const =0
Compute the residual between the model applied to a star and its associated fittedStar.
Relates transfo(s) to their position in the fitting matrix and allows interaction with the transfo(s)...
virtual int getTotalParameters() const =0
Return the total number of parameters in this model.
virtual std::shared_ptr< afw::image::PhotoCalib > toPhotoCalib(CcdImage const &ccdImage) const =0
Return the mapping of ccdImage represented as a PhotoCalib.
unsigned getNpar(CcdImage const &ccdImage) const
Return the number of parameters in the mapping of CcdImage.
PhotometryMappingBase const & getMapping(CcdImage const &ccdImage) const
Get the mapping associated with ccdImage.
bool checkPositiveOnBBox(CcdImage const &ccdImage) const
Check that the model is positive on the ccdImage bbox.
virtual void dump(std::ostream &stream=std::cout) const =0
Dump the contents of the transfos, for debugging.
friend std::ostream & operator<<(std::ostream &s, PhotometryModel const &model)
Class for a simple mapping implementing a generic Gtransfo.
virtual double computeRefResidual(FittedStar const &fittedStar, RefStar const &refStar) const =0
Return the fittedStar - refStar residual appropriate for this model (e.g. flux - flux or mag - mag)...
virtual void freezeErrorTransform()=0
Once this routine has been called, the error transform is not modified by offsetParams().
virtual void offsetParams(Eigen::VectorXd const &delta)=0
Offset the parameters by the provided amounts (by -delta).
virtual void computeParameterDerivatives(MeasuredStar const &measuredStar, CcdImage const &ccdImage, Eigen::VectorXd &derivatives) const =0
Compute the parametric derivatives of this model.
double getInstFlux() const
double getInstMagErr() const
double getInstFluxErr() const
objects measured on actual images.
virtual void offsetFittedStar(FittedStar &fittedStar, double delta) const =0
Offset the appropriate flux or magnitude (by -delta).
virtual PhotometryMappingBase * findMapping(CcdImage const &ccdImage) const =0
Return a pointer to the mapping associated with this ccdImage.
double tweakFluxError(jointcal::MeasuredStar const &measuredStar) const
Add a fraction of the instrumental flux to the instrumental flux error, in quadrature.
LOG_LOGGER _log
lsst.logging instance, to be created by a subclass so that messages have consistent name...
virtual double getRefError(RefStar const &refStar) const =0
Return the refStar error appropriate for this model (e.g. fluxErr or magErr).
double tweakMagnitudeError(jointcal::MeasuredStar const &measuredStar) const
Add a small magnitude offset to the "instrumental magnitude" error, in quadrature.
virtual void getMappingIndices(CcdImage const &ccdImage, std::vector< unsigned > &indices) const =0
Get how this set of parameters (of length Npar()) map into the "grand" fit.
Handler of an actual image from a single CCD.
bool validate(CcdImageList const &ccdImageList) const
Return true if this is a "reasonable" model.
double getErrorPedestal()
virtual unsigned getNpar() const =0
Number of total parameters in this mapping.
The objects which have been measured several times.
virtual double transform(CcdImage const &ccdImage, MeasuredStar const &measuredStar) const =0
Return the on-sky transformed flux for measuredStar on ccdImage.