lsst.jointcal
14.0-23-g746c5c5+1
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A Gtransfo that holds a SkyWcs. More...
#include <Gtransfo.h>
Public Member Functions | |
GtransfoSkyWcs (std::shared_ptr< afw::geom::SkyWcs > skyWcs) | |
void | apply (const double xIn, const double yIn, double &xOut, double &yOut) const override |
void | dump (std::ostream &stream=std::cout) const override |
dumps the transfo coefficients to stream. More... | |
double | fit (const StarMatchList &starMatchList) override |
Not implemented; throws pex::exceptions::LogicError. More... | |
std::unique_ptr< Gtransfo > | clone () const override |
returns a copy (allocated by new) of the transformation. More... | |
std::shared_ptr< afw::geom::SkyWcs > | getSkyWcs () const |
void | apply (const Point &in, Point &out) const |
applies the tranfo to in and writes into out. Is indeed virtual. More... | |
Point | apply (const Point &in) const |
All these apply(..) shadow the virtual one in derived classes, unless one writes "using
Gtransfo::apply". More... | |
std::string | __str__ () |
void | transformStar (FatPoint &in) const |
allows to write MyTransfo(MyStar) More... | |
virtual double | getJacobian (const Point &point) const |
returns the local jacobian. More... | |
virtual double | getJacobian (const double x, const double y) const |
returns the local jacobian. More... | |
virtual std::unique_ptr< Gtransfo > | reduceCompo (const Gtransfo *right) const |
to be overloaded by derived classes if they can really "reduce" the composition (e.g. More... | |
virtual void | computeDerivative (const Point &where, GtransfoLin &derivative, const double step=0.01) const |
Computes the local Derivative of a transfo, w.r.t. More... | |
virtual GtransfoLin | linearApproximation (const Point &where, const double step=0.01) const |
linear (local) approximation. More... | |
virtual void | transformPosAndErrors (const FatPoint &in, FatPoint &out) const |
virtual void | transformErrors (const Point &where, const double *vIn, double *vOut) const |
transform errors (represented as double[3] in order V(xx),V(yy),Cov(xy)) More... | |
virtual std::unique_ptr< Gtransfo > | inverseTransfo (const double precision, const Frame ®ion) const |
returns an inverse transfo. Numerical if not overloaded. More... | |
void | getParams (double *params) const |
params should be at least Npar() long More... | |
void | offsetParams (Eigen::VectorXd const &delta) |
virtual double | paramRef (const int i) const |
virtual double & | paramRef (const int i) |
virtual void | paramDerivatives (const Point &where, double *dx, double *dy) const |
Derivative w.r.t parameters. More... | |
virtual std::unique_ptr< Gtransfo > | roughInverse (const Frame ®ion) const |
Rough inverse. More... | |
virtual int | getNpar () const |
returns the number of parameters (to compute chi2's) More... | |
void | write (const std::string &fileName) const |
virtual void | write (std::ostream &stream) const |
A Gtransfo that holds a SkyWcs.
This is intended to hold the initial estimate for the WCS. It need not be TAN-SIP, nor exactly representable as a FITS WCS.
GtransfoSkyWcs does not inherit from BaseTanWcs for two reasons:
Definition at line 407 of file Gtransfo.h.
lsst::jointcal::GtransfoSkyWcs::GtransfoSkyWcs | ( | std::shared_ptr< afw::geom::SkyWcs > | skyWcs | ) |
Definition at line 1287 of file Gtransfo.cc.
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inlineinherited |
Definition at line 60 of file Gtransfo.h.
applies the tranfo to in and writes into out. Is indeed virtual.
Definition at line 47 of file Gtransfo.h.
All these apply(..) shadow the virtual one in derived classes, unless one writes "using Gtransfo::apply".
Definition at line 51 of file Gtransfo.h.
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overridevirtual |
Implements lsst::jointcal::Gtransfo.
Definition at line 1289 of file Gtransfo.cc.
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overridevirtual |
returns a copy (allocated by new) of the transformation.
Implements lsst::jointcal::Gtransfo.
Definition at line 1303 of file Gtransfo.cc.
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virtualinherited |
Computes the local Derivative of a transfo, w.r.t.
the Derivative is represented by a GtransfoLin, in which (hopefully), the offset terms are zero.
position.
Step is used for numerical derivation.
Derivative should transform a vector of offsets into a vector of offsets.
Reimplemented in lsst::jointcal::GtransfoLin, lsst::jointcal::GtransfoPoly, and lsst::jointcal::GtransfoIdentity.
Definition at line 76 of file Gtransfo.cc.
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overridevirtual |
dumps the transfo coefficients to stream.
Implements lsst::jointcal::Gtransfo.
Definition at line 1295 of file Gtransfo.cc.
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overridevirtual |
Not implemented; throws pex::exceptions::LogicError.
Implements lsst::jointcal::Gtransfo.
Definition at line 1299 of file Gtransfo.cc.
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inlinevirtualinherited |
returns the local jacobian.
Definition at line 77 of file Gtransfo.h.
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virtualinherited |
returns the local jacobian.
Definition at line 57 of file Gtransfo.cc.
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inlinevirtualinherited |
returns the number of parameters (to compute chi2's)
Reimplemented in lsst::jointcal::GtransfoLinScale, lsst::jointcal::GtransfoLinRot, lsst::jointcal::GtransfoLinShift, lsst::jointcal::GtransfoPoly, and lsst::jointcal::GtransfoIdentity.
Definition at line 132 of file Gtransfo.h.
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inherited |
params should be at least Npar() long
Definition at line 170 of file Gtransfo.cc.
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inline |
Definition at line 423 of file Gtransfo.h.
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virtualinherited |
returns an inverse transfo. Numerical if not overloaded.
precision and region refer to the "input" side of this, and hence to the output side of the returned Gtransfo.
Reimplemented in lsst::jointcal::TanRaDec2Pix, lsst::jointcal::TanSipPix2RaDec, lsst::jointcal::TanPix2RaDec, lsst::jointcal::GtransfoLin, and lsst::jointcal::GtransfoInverse.
Definition at line 252 of file Gtransfo.cc.
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virtualinherited |
linear (local) approximation.
Reimplemented in lsst::jointcal::GtransfoLin, and lsst::jointcal::GtransfoIdentity.
Definition at line 93 of file Gtransfo.cc.
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inherited |
Definition at line 175 of file Gtransfo.cc.
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virtualinherited |
Derivative w.r.t parameters.
Derivatives should be al least 2*NPar long. first Npar, for x, last Npar for y.
Reimplemented in lsst::jointcal::GtransfoPoly.
Definition at line 189 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly.
Definition at line 180 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly.
Definition at line 185 of file Gtransfo.cc.
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virtualinherited |
to be overloaded by derived classes if they can really "reduce" the composition (e.g.
composition of Polynomial can be reduced)
Reimplemented in lsst::jointcal::TanPix2RaDec, lsst::jointcal::GtransfoPoly, and lsst::jointcal::GtransfoIdentity.
Definition at line 53 of file Gtransfo.cc.
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virtualinherited |
Rough inverse.
Stored by the numerical inverter to guess starting point for the trials. Just here to enable overloading.
Reimplemented in lsst::jointcal::TanRaDec2Pix, lsst::jointcal::TanPix2RaDec, and lsst::jointcal::GtransfoInverse.
Definition at line 150 of file Gtransfo.cc.
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virtualinherited |
transform errors (represented as double[3] in order V(xx),V(yy),Cov(xy))
Definition at line 117 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::TanRaDec2Pix, and lsst::jointcal::GtransfoPoly.
Definition at line 100 of file Gtransfo.cc.
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inlineinherited |
allows to write MyTransfo(MyStar)
Definition at line 74 of file Gtransfo.h.
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inherited |
Definition at line 199 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly, and lsst::jointcal::GtransfoIdentity.
Definition at line 209 of file Gtransfo.cc.