BuildSpatialKernelVisitor.h

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// -*- lsst-c++ -*-
#ifndef LSST_IP_DIFFIM_BUILDSPATIALKERNELVISITOR_H
#define LSST_IP_DIFFIM_BUILDSPATIALKERNELVISITOR_H
 
#include "Eigen/Core"
#include "lsst/afw/math.h"
#include "lsst/afw/image.h"
#include "lsst/geom.h"
#include "lsst/ip/diffim.h"
#include "lsst/daf/base/PropertySet.h"
 
namespace lsst {
namespace ip {
namespace diffim {
namespace detail {
 
    template<typename PixelT>
    class BuildSpatialKernelVisitor : public lsst::afw::math::CandidateVisitor {
    public:
        typedef std::shared_ptr<BuildSpatialKernelVisitor<PixelT> > Ptr;
 
        BuildSpatialKernelVisitor(
            lsst::afw::math::KernelList const& basisList,  
            lsst::geom::Box2I const& regionBBox,  
            lsst::daf::base::PropertySet const& ps         
            );
 
        int getNCandidates() {return _nCandidates;}
 
        void processCandidate(lsst::afw::math::SpatialCellCandidate *candidate);
 
        void solveLinearEquation();
 
        inline std::shared_ptr<SpatialKernelSolution> getKernelSolution() {return _kernelSolution;}
 
        std::pair<std::shared_ptr<lsst::afw::math::LinearCombinationKernel>,
                  lsst::afw::math::Kernel::SpatialFunctionPtr> getSolutionPair();
 
    private:
        std::shared_ptr<SpatialKernelSolution> _kernelSolution;
        int _nCandidates;                  
    };
 
    template<typename PixelT>
    std::shared_ptr<BuildSpatialKernelVisitor<PixelT> >
    makeBuildSpatialKernelVisitor(
        lsst::afw::math::KernelList const& basisList,
        lsst::geom::Box2I const& regionBBox,
        lsst::daf::base::PropertySet const& ps
        ) {
 
        return std::shared_ptr<BuildSpatialKernelVisitor<PixelT>>(
            new BuildSpatialKernelVisitor<PixelT>(basisList, regionBBox, ps)
            );
    }
 
}}}} // end of namespace lsst::ip::diffim::detail
 
#endif