BasisEvaluator.h

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// -*- LSST-C++ -*-

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#ifndef LSST_AFW_MATH_SHAPELETS_BASISEVALUATOR_H
#define LSST_AFW_MATH_SHAPELETS_BASISEVALUATOR_H

#include "ndarray.h"
#include "lsst/afw/geom.h"
#include "lsst/shapelet/constants.h"
#include "lsst/shapelet/GaussHermiteEvaluator.h"
#include "lsst/shapelet/ConversionMatrix.h"
#include "lsst/afw/image/Image.h"
#include "lsst/afw/image/MaskedImage.h"
#include "lsst/afw/detection/Footprint.h"

namespace lsst { namespace shapelet {

class BasisEvaluator {
public:

    BasisEvaluator(int order, BasisTypeEnum basisType) : _basisType(basisType), _h(order) {}

    int getOrder() const { return _h.getOrder(); }

    BasisTypeEnum getBasisType() const { return _basisType; }

    void fillEvaluation(
        Array1d const & array, double x, double y,
        Array1d const & dx = Array1d(),
        Array1d const & dy = Array1d()
    ) const;

    void fillEvaluation(
        Array1d const & array, afw::geom::Point2D const & point,
        Array1d const & dx = Array1d(),
        Array1d const & dy = Array1d()
    ) const {
        fillEvaluation(array, point.getX(), point.getY(), dx, dy);
    }

    void fillEvaluation(
        Array1d const & array, afw::geom::Extent2D const & point,
        Array1d const & dx = Array1d(),
        Array1d const & dy = Array1d()
    ) const {
        fillEvaluation(array, point.getX(), point.getY(), dx, dy);
    }

    void fillIntegration(Array1d const & array, int xMoment=0, int yMoment=0) const;

private:
    BasisTypeEnum _basisType;
    GaussHermiteEvaluator _h;
};

}} // namespace lsst::shapelet classes 

#endif // !defined(LSST_AFW_MATH_SHAPELETS_BASISEVALUATOR_H)