87 template<
typename PixelT>
94 _basisList(basisList),
101 _useRegularization(false),
102 _useCoreStats(ps.getAsBool(
"useCoreStats")),
103 _coreRadius(ps.getAsInt(
"candidateCoreRadius"))
106 template<
typename PixelT>
111 Eigen::MatrixXd
const& hMat
114 _basisList(basisList),
121 _useRegularization(true),
122 _useCoreStats(ps.getAsBool(
"useCoreStats")),
123 _coreRadius(ps.getAsInt(
"candidateCoreRadius"))
127 template<
typename PixelT>
134 if (kCandidate == NULL) {
135 LOGL_DEBUG(
"TRACE2.ip.diffim.BuildSingleKernelVisitor.processCandidate",
136 "Failed to cast SpatialCellCandidate to KernelCandidate %d",
137 kCandidate->
getId());
139 "Failed to cast SpatialCellCandidate to KernelCandidate");
146 LOGL_DEBUG(
"TRACE1.ip.diffim.BuildSingleKernelVisitor.processCandidate",
147 "Processing candidate %d", kCandidate->
getId());
148 LOGL_DEBUG(
"TRACE4.ip.diffim.BuildSingleKernelVisitor.processCandidate",
155 if (_useRegularization)
156 kCandidate->
build(_basisList, _hMat);
158 kCandidate->
build(_basisList);
161 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
162 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
163 "Unable to process candidate %d; exception caught (%s)",
170 if (kCandidate->
getStatus() == afwMath::SpatialCellCandidate::BAD) {
171 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
172 "Candidate %d Returned BAD upon build, exiting",
173 kCandidate->
getId());
186 _imstats.apply(diffim, _coreRadius);
188 _imstats.apply(diffim);
190 LOGL_DEBUG(
"TRACE2.ip.diffim.BuildSingleKernelVisitor.processCandidate",
191 "Unable to calculate imstats for Candidate %d", kCandidate->
getId());
192 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
197 kCandidate->
setChi2(_imstats.getVariance());
204 LOGL_DEBUG(
"TRACE4.ip.diffim.BuildSingleKernelVisitor.processCandidate",
205 "Chi2 = %.3f", kCandidate->
getChi2());
206 LOGL_DEBUG(
"TRACE4.ip.diffim.BuildSingleKernelVisitor.processCandidate",
207 "Kernel Sum = %.3f", kSum);
208 LOGL_DEBUG(
"TRACE4.ip.diffim.BuildSingleKernelVisitor.processCandidate",
209 "Background = %.3f", background);
210 LOGL_DEBUG(
"TRACE2.ip.diffim.BuildSingleKernelVisitor.processCandidate",
211 "Candidate %d resids = %.3f +/- %.3f sigma (%d pix)",
217 bool meanIsNan =
std::isnan(_imstats.getMean());
218 bool rmsIsNan =
std::isnan(_imstats.getRms());
219 if (meanIsNan || rmsIsNan) {
220 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
221 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
222 "Rejecting candidate %d, encountered NaN",
223 kCandidate->
getId());
228 if (_ps->getAsBool(
"singleKernelClipping")) {
229 if (fabs(_imstats.getMean()) > _ps->getAsDouble(
"candidateResidualMeanMax")) {
230 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
231 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
232 "Rejecting candidate %d; bad mean residual : |%.3f| > %.3f",
235 _ps->getAsDouble(
"candidateResidualMeanMax"));
238 else if (_imstats.getRms() > _ps->getAsDouble(
"candidateResidualStdMax")) {
239 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
240 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
241 "Rejecting candidate %d; bad residual rms : %.3f > %.3f",
244 _ps->getAsDouble(
"candidateResidualStdMax"));
248 kCandidate->
setStatus(afwMath::SpatialCellCandidate::GOOD);
249 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
254 kCandidate->
setStatus(afwMath::SpatialCellCandidate::GOOD);
255 LOGL_DEBUG(
"TRACE5.ip.diffim.BuildSingleKernelVisitor.processCandidate",
256 "Sigma clipping not enabled");
260 if (!(_useCoreStats)) {
262 _imstats.apply(diffim, _coreRadius);
264 LOGL_DEBUG(
"TRACE2.ip.diffim.BuildSingleKernelVisitor.processCandidate",
265 "Unable to calculate core imstats for Candidate %d",
266 kCandidate->
getId());
267 kCandidate->
setStatus(afwMath::SpatialCellCandidate::BAD);
270 LOGL_DEBUG(
"TRACE3.ip.diffim.BuildSingleKernelVisitor.processCandidate",
271 "Candidate %d core resids = %.3f +/- %.3f sigma (%d pix)",
291 Eigen::MatrixXd
const &);
Declaration of BuildSingleKernelVisitor.
#define LSST_EXCEPT(type,...)
Image Subtraction helper functions.
Class used by SpatialModelCell for spatial Kernel fitting.
#define LOGL_DEBUG(logger, message...)
void setStatus(Status status)
void setChi2(double chi2)
Class to calculate difference image statistics.
Class stored in SpatialCells for spatial Kernel fitting.
bool isInitialized() const
afw::image::MaskedImage< PixelT > getDifferenceImage(CandidateSwitch cand)
Calculate associated difference image using internal solutions.
double getBackground(CandidateSwitch cand) const
double getKsum(CandidateSwitch cand) const
void build(afw::math::KernelList const &basisList)
Core functionality of KernelCandidate, to build and fill a KernelSolution.
Builds the convolution kernel for a given candidate.
void processCandidate(lsst::afw::math::SpatialCellCandidate *candidate)
BuildSingleKernelVisitor(lsst::afw::math::KernelList const &basisList, lsst::daf::base::PropertySet const &ps)
virtual char const * what(void) const noexcept
template std::shared_ptr< BuildSingleKernelVisitor< PixelT > > makeBuildSingleKernelVisitor< PixelT >(lsst::afw::math::KernelList const &, lsst::daf::base::PropertySet const &)