AssessSpatialKernelVisitor.h

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// -*- lsst-c++ -*-
#ifndef LSST_IP_DIFFIM_ASSESSSPATIALKERNELVISITOR_H
#define LSST_IP_DIFFIM_ASSESSSPATIALKERNELVISITOR_H

#include "lsst/afw/math.h"
#include "lsst/afw/image.h"
#include "lsst/ip/diffim.h"
#include "lsst/pex/policy/Policy.h"

namespace lsst { 
namespace ip { 
namespace diffim { 
namespace detail {

    template<typename PixelT>
    class AssessSpatialKernelVisitor : public lsst::afw::math::CandidateVisitor {
        typedef lsst::afw::image::MaskedImage<PixelT> MaskedImageT;
    public:
        typedef boost::shared_ptr<AssessSpatialKernelVisitor<PixelT> > Ptr;

        AssessSpatialKernelVisitor(
            lsst::afw::math::LinearCombinationKernel::Ptr spatialKernel,   
            lsst::afw::math::Kernel::SpatialFunctionPtr spatialBackground, 
            lsst::pex::policy::Policy const& policy                        
            );
        virtual ~AssessSpatialKernelVisitor() {};

        void reset() {_nGood = 0; _nRejected = 0; _nProcessed = 0;}

        int getNGood() {return _nGood;}
        int getNRejected() {return _nRejected;}
        int getNProcessed() {return _nProcessed;}
        void processCandidate(lsst::afw::math::SpatialCellCandidate *candidate);

    private:
        lsst::afw::math::LinearCombinationKernel::Ptr _spatialKernel;   
        lsst::afw::math::Kernel::SpatialFunctionPtr _spatialBackground; 
        lsst::pex::policy::Policy _policy;            
        ImageStatistics<PixelT> _imstats;     
        int _nGood;                           
        int _nRejected;                       
        int _nProcessed;                      
       
        bool _useCoreStats;                   
        int _coreRadius;                      
    };

    template<typename PixelT>
    boost::shared_ptr<AssessSpatialKernelVisitor<PixelT> >
    makeAssessSpatialKernelVisitor(
        lsst::afw::math::LinearCombinationKernel::Ptr spatialKernel,   
        lsst::afw::math::Kernel::SpatialFunctionPtr spatialBackground, 
        lsst::pex::policy::Policy const& policy                        
         ) {

        return typename AssessSpatialKernelVisitor<PixelT>::Ptr(
            new AssessSpatialKernelVisitor<PixelT>(spatialKernel, spatialBackground, policy)
            );
    }

}}}} // end of namespace lsst::ip::diffim::detail

#endif