lsst.jointcal
14.0-13-g0c7ec64
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This one is the Tangent Plane (called gnomonic) projection (from celestial sphere to tangent plane) More...
#include <Gtransfo.h>
Public Member Functions | |
TanRaDec2Pix (const GtransfoLin &tan2Pix, const Point &tangentPoint) | |
assume degrees everywhere. More... | |
TanRaDec2Pix () | |
GtransfoLin | getLinPart () const |
The Linear part (corresponding to CD's and CRPIX's) More... | |
void | setTangentPoint (const Point &tangentPoint) |
Resets the projection (or tangent) point. More... | |
Point | getTangentPoint () const |
tangent point coordinates (in degrees) More... | |
void | apply (const double xIn, const double yIn, double &xOut, double &yOut) const |
void | transformPosAndErrors (const FatPoint &in, FatPoint &out) const |
transform with analytical derivatives More... | |
TanPix2RaDec | invert () const |
exact typed inverse: More... | |
std::unique_ptr< Gtransfo > | roughInverse (const Frame ®ion) const |
Overload the "generic routine" (available for all Gtransfo types. More... | |
std::unique_ptr< Gtransfo > | inverseTransfo (const double precision, const Frame ®ion) const |
Inverse transfo: returns a TanPix2RaDec. More... | |
void | dump (std::ostream &stream) const |
dumps the transfo coefficients to stream. More... | |
std::unique_ptr< Gtransfo > | clone () const |
returns a copy (allocated by new) of the transformation. More... | |
double | fit (const StarMatchList &starMatchList) |
fits a transfo to a std::list of Point pairs (p1,p2, the Point fields in StarMatch). More... | |
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 | 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... | |
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 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 |
This one is the Tangent Plane (called gnomonic) projection (from celestial sphere to tangent plane)
this transfo does not implement corrections, since they are defined the other way around (from pixels to sky), and not invertible analytically. The inversion of tangent point WCS (TanPix2RaDec) is obtained via inverseTransfo().
Definition at line 517 of file Gtransfo.h.
lsst::jointcal::TanRaDec2Pix::TanRaDec2Pix | ( | const GtransfoLin & | tan2Pix, |
const Point & | tangentPoint | ||
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assume degrees everywhere.
Definition at line 1440 of file Gtransfo.cc.
lsst::jointcal::TanRaDec2Pix::TanRaDec2Pix | ( | ) |
Definition at line 1453 of file Gtransfo.cc.
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inlineinherited |
Definition at line 58 of file Gtransfo.h.
applies the tranfo to in and writes into out. Is indeed virtual.
Definition at line 45 of file Gtransfo.h.
All these apply(..) shadow the virtual one in derived classes, unless one writes "using Gtransfo::apply".
Definition at line 49 of file Gtransfo.h.
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virtual |
Implements lsst::jointcal::Gtransfo.
Definition at line 1516 of file Gtransfo.cc.
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virtual |
returns a copy (allocated by new) of the transformation.
Implements lsst::jointcal::Gtransfo.
Definition at line 1550 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 75 of file Gtransfo.cc.
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virtual |
dumps the transfo coefficients to stream.
Implements lsst::jointcal::Gtransfo.
Definition at line 1537 of file Gtransfo.cc.
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virtual |
fits a transfo to a std::list of Point pairs (p1,p2, the Point fields in StarMatch).
After the fit this(p1) yields approximately p2. The returned value is the sum of squared residuals. If you want to fit a partial transfo (e.g. such that this(T1(p1)) = T2(p2), use StarMatchList::applyTransfo beforehand.
Implements lsst::jointcal::Gtransfo.
Definition at line 1554 of file Gtransfo.cc.
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inlinevirtualinherited |
returns the local jacobian.
Definition at line 75 of file Gtransfo.h.
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virtualinherited |
returns the local jacobian.
Definition at line 56 of file Gtransfo.cc.
GtransfoLin lsst::jointcal::TanRaDec2Pix::getLinPart | ( | ) | const |
The Linear part (corresponding to CD's and CRPIX's)
Definition at line 1461 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 130 of file Gtransfo.h.
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inherited |
params should be at least Npar() long
Definition at line 169 of file Gtransfo.cc.
Point lsst::jointcal::TanRaDec2Pix::getTangentPoint | ( | ) | const |
tangent point coordinates (in degrees)
Definition at line 1459 of file Gtransfo.cc.
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virtual |
Inverse transfo: returns a TanPix2RaDec.
Reimplemented from lsst::jointcal::Gtransfo.
Definition at line 1546 of file Gtransfo.cc.
TanPix2RaDec lsst::jointcal::TanRaDec2Pix::invert | ( | ) | const |
exact typed inverse:
Definition at line 1535 of file Gtransfo.cc.
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virtualinherited |
linear (local) approximation.
Reimplemented in lsst::jointcal::GtransfoLin, and lsst::jointcal::GtransfoIdentity.
Definition at line 92 of file Gtransfo.cc.
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inherited |
Definition at line 174 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 188 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly.
Definition at line 179 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly.
Definition at line 184 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 52 of file Gtransfo.cc.
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virtual |
Overload the "generic routine" (available for all Gtransfo types.
Reimplemented from lsst::jointcal::Gtransfo.
Definition at line 1542 of file Gtransfo.cc.
void lsst::jointcal::TanRaDec2Pix::setTangentPoint | ( | const Point & | tangentPoint | ) |
Resets the projection (or tangent) point.
Definition at line 1444 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 116 of file Gtransfo.cc.
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virtual |
transform with analytical derivatives
Reimplemented from lsst::jointcal::Gtransfo.
Definition at line 1464 of file Gtransfo.cc.
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inlineinherited |
allows to write MyTransfo(MyStar)
Definition at line 72 of file Gtransfo.h.
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inherited |
Definition at line 198 of file Gtransfo.cc.
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virtualinherited |
Reimplemented in lsst::jointcal::GtransfoPoly, and lsst::jointcal::GtransfoIdentity.
Definition at line 208 of file Gtransfo.cc.