44 bool initFromWcs,
unsigned nNotFit,
unsigned order)
46 _skyToTangentPlane(
std::
move(projectionHandler))
51 for (
auto i = ccdImageList.
cbegin(); i != ccdImageList.
cend(); ++i, ++
count) {
53 if (
count < nNotFit) {
71 while (pol.
getNpar() > 2 * nObj) {
73 << pol.
getOrder() <<
", due to too few sources (" << nObj
74 <<
" vs. " << pol.
getNpar() <<
" parameters)");
90 pol = pol * shiftAndNormalize.
inverted();
99 return findMapping(ccdImage);
103 if (whatToFit.
find(
"Distortions") == std::string::npos) {
104 LOGLS_ERROR(
_log,
"AssignIndices was called and Distortions is *not* in whatToFit.");
107 Eigen::Index index = firstIndex;
108 for (
auto & i : _myMap) {
112 index += p->getNpar();
118 for (
auto &i : _myMap) {
119 auto mapping = i.second.get();
120 mapping->offsetParams(delta.segment(mapping->getIndex(), mapping->getNpar()));
125 for (
auto &i : _myMap) i.second->freezeErrorTransform();
130 for (
auto &i : _myMap) {
131 total += i.second->getNpar();
137 out <<
"SimpleAstrometryModel: " << _myMap.size() <<
" mappings" <<
std::endl;
139 out <<
"Sensor to sky transforms:" <<
std::endl;
140 for (
auto &i : _myMap) {
163 auto iwcToSkyMap = iwcToSkyWcs->getFrameDict()->getMapping(
"PIXELS",
"SKY");
164 auto skyFrame = iwcToSkyWcs->getFrameDict()->getFrame(
"SKY");
167 frameDict.
addFrame(
"IWC", *iwcToSkyMap, *skyFrame);
168 return std::make_shared<afw::geom::SkyWcs>(frameDict);
173 if (i == _myMap.end())
175 "SimpleAstrometryModel cannot find CcdImage " + ccdImage.
getName());
176 return i->second.get();
#define LSST_EXCEPT(type,...)
#define LOGLS_WARN(logger, message)
#define LOGLS_ERROR(logger, message)
void addFrame(int iframe, Mapping const &map, Frame const &frame) override
virtual class needed in the abstraction of the distortion model
Interface between AstrometryFit and the combinations of Mappings from pixels to some tangent plane (a...
LOG_LOGGER _log
lsst.logging instance, to be created by a subclass so that messages have consistent name.
Handler of an actual image from a single CCD.
std::shared_ptr< AstrometryTransform > const getPixelToTangentPlane() const
Frame const & getImageFrame() const
Frame in pixels.
MeasuredStarList const & getCatalogForFit() const
Gets the catalog to be used for fitting, which may have been cleaned-up.
std::string getName() const
Return the _name that identifies this ccdImage.
CcdImageKey getHashKey() const
rectangle with sides parallel to axes.
void setIndex(Eigen::Index i)
Set the index of this mapping in the grand fit.
Eigen::Index assignIndices(std::string const &whatToFit, Eigen::Index firstIndex) override
Positions the various parameter sets into the parameter vector, starting at firstIndex.
void offsetParams(Eigen::VectorXd const &delta) override
Offset the parameters by the provided amounts (by -delta).
std::size_t getTotalParameters() const override
Return the total number of parameters in this model.
SimpleAstrometryModel(CcdImageList const &ccdImageList, std::shared_ptr< ProjectionHandler const > projectionHandler, bool initFromWCS, unsigned nNotFit=0, unsigned order=3)
const std::shared_ptr< AstrometryTransform const > getSkyToTangentPlane(CcdImage const &ccdImage) const override
the mapping of sky coordinates (i.e.
AstrometryTransform const & getTransform(CcdImage const &ccdImage) const
Access to mappings.
void print(std::ostream &out) const override
Print a string representation of the contents of this mapping, for debugging.
void freezeErrorTransform() override
const AstrometryMapping * getMapping(CcdImage const &) const override
Mapping associated to a given CcdImage.
std::shared_ptr< afw::geom::SkyWcs > makeSkyWcs(CcdImage const &ccdImage) const override
Make a SkyWcs that contains this model.
Mapping implementation for a polynomial transformation.
std::shared_ptr< SkyWcs > makeSkyWcs(daf::base::PropertySet &metadata, bool strip=false)
Eigen::Matrix2d makeCdMatrix(lsst::geom::Angle const &scale, lsst::geom::Angle const &orientation=0 *lsst::geom::degrees, bool flipX=false)
constexpr AngleUnit degrees
AstrometryTransformLinear normalizeCoordinatesTransform(const Frame &frame)
Returns the transformation that maps the input frame along both axes to [-1,1].
Class for a simple mapping implementing a generic AstrometryTransform.